Radar · Open Source in United States
Best Open Source Companies in United States
The 717 best Open Source companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Databricks.
By Riya SenguptaFinancials
717companies tracked
$28.8Bdisclosed funding
29unicorns
374have raised
Tracking the best Open Source companies in the United States by disclosed equity funding, this directory covers 717 companies with $28.8B in total capital raised and 29 unicorns in the mix. That's real scale. Databricks alone pulled in $3.6B in funding; ReflectionAI sits at $2.1B. And the market itself isn't slowing down: the global open source software market was roughly $30B in 2019 and is forecast to hit $100B by 2030, compounding at 18.09% annually, driven by community-led development and demand for flexible, cost-effective infrastructure.
The revenue picture sharpens things further. Across validated filers, the combined revenue pool lands at $3.1B, with a median of $161M and 16% YoY growth. MongoDB, Inc. is the outlier that catches your eye: $2.5B in revenue, up 23% YoY, a figure that dwarfs the rest of the cohort by a wide margin. HashiCorp, Inc. sits right at the median with $161M. Security vulnerabilities remain a structural pressure the sector can't ignore, and recent fintech momentum signals open source is moving deeper into regulated, high-stakes infrastructure. I'd watch that trend closely.
Sources & further reading
- HTF MI
Ranked: Best Open Source companies in United States
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Databricks 🦄 Data and AI platform that unifies analytics 97Fin. health top 11%Market top 12%Innovation top 15%AI top 15% All 14 signals ▾Fin. healthtop 11% Markettop 12% Innovationtop 15% AItop 15% Techtop 16% Talenttop 16% Fundingtop 17% Moattop 18% Patentstop 21% Growthtop 32% Newstop 32% Globaltop 36% Producttop 36% Partnersbottom 48% Fin. health: Revenue ~$2.6B Market: 3,299 employees (top 2% of Enterprise Infrastructure) · Revenue ~$2.6B rank vs industry peers · Fliar Intelligence Index 97/100 | $3.6B | 4 mo ago | Series K | 3,299 | Andy Konwinski Co-Founder | 85 signals Funding · Leadership · Announcements | 231 patents Optimizing lakehouse queries, transactions, and ML-driven indexing for large-scale data processing. | 4 launchs · 1 award |
| 2 | ReflectionAI 🦄 Developer of autonomous coding systems 84Funding top 12%Growth top 28%AI top 30%Moat top 32% All 8 signals ▾Fundingtop 12% Growthtop 28% AItop 30% Moattop 32% Techtop 34% Talenttop 38% Markettop 44% Globalbottom 48% Funding: Raised $2.1B across 3 rounds · 3 rounds over 1 yrs (3.0/yr) Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 84/100 | $2.1B | 8 mo ago | Series B | — | Misha Laskin Co-Founder & CEO | — | — | 1 partnership · 1 expansion |
| 3 | Automattic 🦄 Developer of open-source content management system | $896M | 63 mo ago | Series E | 788 | Kinsey Wilson Founder and Head of Newspack | — | 2 patents Website botnet detection and mitigation for network security | — |
| 4 | Sysdig 🦄 Provider of cloud security platform delivering threat detection and response | $744M | 54 mo ago | Series G | 342 342 → 615 (+80%) | Loris Degioanni CTO and Founder | — | 75 patents Monitoring, tracing, and performance instrumentation for containerized cloud-native applications | — |
| 5 | Cockroach Labs 🦄 Developer of a distributed SQL database designed for mission-critical applications | $633M | 54 mo ago | Series F | 460 | Benjamin Darnell Co-Founder & Chief Architect | — | 25 patents Patents concentrated in computing, sensing & instrumentation | — |
| 6 | Neo4j 🦄 Provider of graph database management system and graph analytics platform | $581M | 56 mo ago | Series F | 435 435 → 1,044 (+140%) | Emil Eifrem Co-Founder & CEO | — | — | 1 launch |
| 7 | Grafana 🦄 Developer of open and composable platform for monitoring and observability 93Funding top 13%Tech top 16%Market top 17%Innovation top 19% All 10 signals ▾Fundingtop 13% Techtop 16% Markettop 17% Innovationtop 19% Producttop 22% Moattop 26% Talenttop 28% Globaltop 34% Newstop 42% Growthtop 47% Funding: Raised $541M across 6 rounds · 6 rounds over 8 yrs (0.8/yr) Tech: 84 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 93/100 | $541M | 3 mo ago | Series E | 900 | Anthony Woods Co-Founder | 16 signals New product · Funding | — | 1 launch · 1 partnership |
| 8 | Docker 🦄 Cloud based open source platform offering docker suite | $530M | 45 mo ago | Series E | 72 | Kamel Founadi Co-Founder | — | — | — |
| 9 | Gitlab Provider of a platform for software development, security, and delivery | $435M | 45 mo ago | Public | 699 | Sid Sijbrandij Co-Founder & CEO | — | 34 patents Automation and security of software development pipelines, including code testing and vulnerability analysis. | 2 launchs |
| 10 | Dremio 🦄 Cloud based analytical processing and data lake engine for businesses | $420M | 52 mo ago | Acquired | 340 | Tomer Shiran Founder | — | 19 patents Patents concentrated in computing, sensing & instrumentation | — |
| 11 | dbt Labs 🦄 Provider of data transformation and preparation tools | $414M | 51 mo ago | Series D | 400 | Connor Mcarthur Co-Founder | 10 signals ▲100% M&A · New product | 8 patents Patents concentrated in transport & manufacturing processes | 1 launch |
| 12 | Chronosphere 🦄 Provider of a cloud native data observability platform for enterprises | $369M | 41 mo ago | Acquired | 35 | Martin Mao Co-Founder & CEO | 8 signals ▲700% M&A · Acquisition | — | 1 launch |
| 13 | Corelight Provider of criminal intelligence andd analytics platform for public safety | $310M | 25 mo ago | Series E | 306 | Vern Paxson Co-Founder | — | 17 patents SSH session authentication and keystroke analysis for network traffic classification | 1 launch |
| 14 | DataStax 🦄 Provider of data management and AI application development infrastructure solutions | $305M | 45 mo ago | Acquired | 422 422 → 300 (-29%) | — | — | 39 patents Distributed database streaming, cloud deployment configuration, and trie-based indexing for NoSQL systems | — |
| 15 | Astronomer Cloud-based platform for data pipelines | $300M | 13 mo ago | Series D | 100 | Greg Neiheisel Co-Founder | 20 signals ▲300% Leadership | — | — |
| 16 | Chainguard 🦄 Provider of hardened container images, language libraries, and virtual machine images 74Funding top 15%Tech top 25%Moat top 26%News top 30% All 10 signals ▾Fundingtop 15% Techtop 25% Moattop 26% Newstop 30% Talenttop 32% Producttop 33% Innovationtop 40% Growthtop 40% Markettop 44% Globalbottom 39% Funding: Raised $256M across 6 rounds · 6 rounds over 5 yrs (1.2/yr) Tech: 63 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 74/100 | $256M | 7 mo ago | Series D | 77 | Ville Aikas Co-Founder | 9 signals Funding · New product · Leadership | — | 1 launch · 1 award |
| 17 | Kong 🦄 Cloud based API management and microservices connectivity platform 84Tech top 18%Patents top 20%Funding top 21%Moat top 22% All 11 signals ▾Techtop 18% Patentstop 20% Fundingtop 21% Moattop 22% Innovationtop 30% Markettop 33% Globaltop 37% Growthtop 38% Talenttop 38% Producttop 41% Newsbottom 21% Tech: 76 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Patents: 188 patents matched (strict assignee match) · 44 filings since 2022 vs 44 in 2017-21 rank vs industry peers · Fliar Intelligence Index 84/100 | $249M | 18 mo ago | Series E | 128 | Marco Palladino Co-Founder & CTO | — | 188 patents AI-driven API gateway and microservices orchestration for intelligent query routing and documentation | — |
| 18 | Sentry 🦄 Provider of application performance monitoring and error tracking software solutions | $217M | 49 mo ago | Series E | 232 232 → 453 (+95%) | Chris Jennings Co-Founder | — | 22 patents Transformer rapid depressurization and explosion mitigation vent systems | 1 launch |
| 19 | Temporal 🦄 Platform offering integrated cloud application development solution 89Funding top 15%Growth top 15%Tech top 22%Moat top 26% All 8 signals ▾Fundingtop 15% Growthtop 15% Techtop 22% Moattop 26% Newstop 29% Markettop 37% Talenttop 38% Globaltop 44% Funding: Raised $204M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Growth: Headcount 15 → 51 (+240%) across vintages · Web rank 1,000,000 → 500,000 YoY rank vs industry peers · Fliar Intelligence Index 89/100 | $204M | 3 mo ago | Series D | 51 | Maxim Fateev Co-Founder / CTO | 10 signals ▲150% Funding · Leadership · Capital raise | — | 1 launch |
| 20 | Aerospike Open source based NoSQL database platform for enterprises | $171M | 18 mo ago | Series E | 226 | — | — | — | 2 launchs |
| 21 | InfluxData Developer of a time series database platform for various applications | $171M | 40 mo ago | Series E | 181 181 → 170 (-6%) | Paul Dix Cofounder and CTO | — | — | 5 launchs |
| 22 | Neon Developer of open-source-based cloud-native PostgreSQL | $131M | 22 mo ago | Series B | 63 | Stas Kelvich Co-Founder | — | 3 patents AI-driven selection of high‑valence images for affective computing and content recommendation | 1 launch |
| 23 | Particle Developer of a prototype to production connectivity platform for IoT 55Tech top 23%Funding top 24%Customers top 24%News top 30% All 12 signals ▾Techtop 23% Fundingtop 24% Customerstop 24% Newstop 30% Moattop 35% Growthtop 40% Producttop 47% Talentbottom 49% Marketbottom 47% Patentsbottom 39% Globalbottom 39% Innovationbottom 35% Tech: 67 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Funding: Raised $130M across 8 rounds · 8 rounds over 12 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $130M | 15 mo ago | Acquired | 109 109 → 110 (+1%) | Zach Supalla Co-Founder & CEO | 4 signals M&A · Funding | 5 patents Pharma skin‑inflammation formulations, audio speaker hardware, VR headset devices, graphic‑design software. | 1 launch |
| 24 | Pulumi Provider of infrastructure as code platform with AI-powered engineering agent | $99M | 32 mo ago | Series C | 110 | Joe Duffy Founder and CEO | — | 6 patents AI-driven, language‑agnostic infrastructure‑as‑code tooling for automated cloud provisioning | — |
| 25 | Coder Cloud based cross platform integrated development environment 72Funding top 21%Growth top 25%Product top 25%News top 26% All 10 signals ▾Fundingtop 21% Growthtop 25% Producttop 25% Newstop 26% Techtop 28% Talenttop 28% Moattop 31% Innovationtop 33% Globalbottom 43% Marketbottom 35% Funding: Raised $85.2M across 5 rounds · 5 rounds over 8 yrs (0.6/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 72/100 | $85M | 2 mo ago | Series C | 19 | Kyle Carberry Founder and CTO | 5 signals Funding | — | 1 launch |
| 26 | Rasa Developer of a platform for building and deploying AI agent solutions | $71M | 28 mo ago | Series C | 26 | Alexander Weidauer Co-Founder | — | — | — |
| 27 | Espresso Systems Provider of a blockchain-based privacy solution for web3 applications | $60M | 26 mo ago | Series B | 29 | Ben Fisch Co-Founder & CEO | — | — | 1 launch |
| 28 | Laravel PHP web framework and ecosystem for building modern web applications | $57M | 21 mo ago | Series A | 146 | Max Eliscu Founder & CEO | — | — | 2 launchs |
| 29 | OpenLogic Open source support, services, and solutions for enterprise software stacks | $45M | 28 mo ago | Acquired | 26 | — | — | 18 patents Software development tooling for open‑source stacks and content analysis/noise reduction | — |
| 30 | PostHog 🦄 Cloud based product analytics tools 72Funding top 23%Tech top 23%Moat top 31%Growth top 35% All 9 signals ▾Fundingtop 23% Techtop 23% Moattop 31% Growthtop 35% Newstop 37% Talenttop 38% Partnerstop 41% Markettop 47% Globalbottom 36% Funding: Raised $39.0M across 7 rounds · 7 rounds over 6 yrs (1.2/yr) Tech: 56 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses rank vs industry peers · Fliar Intelligence Index 72/100 | $39M | 8 mo ago | Series E | 36 | Tim Glaser Co-Founder & CTO | 3 signals ▲200% Funding · Capital raise | — | 1 launch |
| 31 | Stacklet Platform offering cloud governance solutions | $36M | 24 mo ago | Series B | 30 | Kapil Thangavelu Co-Founder & CTO | — | — | — |
| 32 | Dify Developer of platform for building and managing autonomous agents and workflows | $30M | 3 mo ago | Seed | — | John Wang Co-Founder | — | — | 3 launchs |
| 33 | LiveKit Developer of open-source platform for building and scaling realtime voice agents 72AI top 20%Funding top 27%Growth top 28%News top 28% All 9 signals ▾AItop 20% Fundingtop 27% Growthtop 28% Newstop 28% Techtop 31% Talenttop 38% Moattop 48% Marketbottom 37% Globalbottom 36% AI: Classified as an AI company Funding: Raised $29.3M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 72/100 | $29M | 4 mo ago | Series C | 15 | Russell Sa Co-Founder & CEO | 4 signals Funding | — | 3 launchs · 1 partnership |
| 34 | pgEdge Provider of enterprise-grade Postgres infrastructure for agentic AI and other applications | $27M | 16 mo ago | Series A | 24 | Phillip Merrick Co-Founder and CEO | — | — | — |
| 35 | Fleet Device Management Provider of open-source software to manage data from devices | $25M | 13 mo ago | Series B | 46 | Zach Wasserman Co-Founder | — | — | — |
| 36 | Tobiko Data Platform building tools to support data development | $22M | 24 mo ago | Acquired | 9 | Tobias Mao Co-Founder and CTO | — | — | — |
| 37 | Graphite Provider of open-source code review and CLI tools for engineers 50Talent top 28%Tech top 35%Funding top 36%Moat bottom 48% All 6 signals ▾Talenttop 28% Techtop 35% Fundingtop 36% Moatbottom 48% Globalbottom 45% Marketbottom 38% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Tech: 35 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 50/100 | $20M | 15 mo ago | Series B | 20 | Tomas Reimers Co-Founder & CPO | — | — | — |
| 38 | Foxglove Provider of visualization and debugging solutions for robotics | $19M | 8 mo ago | Series B | 31 | Roman Shtylman Co-Founder | — | — | — |
| 39 | Molecule SaaS-based platform for commodity trading 27Moat top 37%News top 41%Talent top 41%Funding top 43% All 10 signals ▾Moattop 37% Newstop 41% Talenttop 41% Fundingtop 43% Patentstop 44% Producttop 49% Techbottom 47% Innovationbottom 45% Globalbottom 40% Marketbottom 29% Moat: Editorial + unicorn rating 7/10 · IP moat: 14 patents News: 2 BI events in 12 mo (of 10 tracked, 6 types) · +100% YoY rank vs industry peers · Fliar Intelligence Index 27/100 | $14M | 11 mo ago | Series B | 24 24 → 48 (+100%) | Sameer Soleja Founder & CEO | — | 14 patents Pharmaceutical obesity/diabetes treatments and polymerizable‑liquid 3D‑printing material technologies | 1 launch |
| 40 | Fern Provider of SaaS-based open-source format for APIs | $13M | 14 mo ago | Acquired | 2 | — | — | — | 1 launch |
| 41 | Zed Developer of a collaborative, high-performance code editor with AI integration | $12M | 19 mo ago | Series B | 11 | Max Brunsfeld Co-Founder | 3 signals Funding | — | 1 launch |
| 42 | QlikTech Provider of data integration, data quality, and analytics solutions | $12M | 19 mo ago | Acquired | 208 | — | 7 signals ▼74% Leadership · New product | — | 1 launch |
| 43 | Plural Cloud based kubernetes application deployment platform | $10M | 14 mo ago | Seed | 4,637 | Samuel Weaver Co-Founder & CEO | — | — | — |
| 44 | Sidero Provider of Kubernetes platforms and related support and service offerings | $8M | 20 mo ago | Series A | 7 | Steve Francis CEO | — | 4 patents Enables mesh VPN networking across hybrid and multi-cloud environments. | — |
| 45 | FlowFuse Open-source low-code programming tool | $7M | 12 mo ago | Series A | 13 | Nick O’Leary Founder | — | — | — |
| 46 | Precog Provider of advanced analytics solutions for NoSQL data | $6M | 16 mo ago | Acquired | 15 | — | — | 6 patents Patents concentrated in computing, sensing & instrumentation | — |
| 47 | Promptfoo Open-source tool to test AI applications | $5M | 11 mo ago | Acquired | — | Ian W Co-Founder & CEO | 5 signals ▲150% M&A · Funding · Capital raise | — | — |
| 48 | All Hands AI Open-source software development agent | $5M | 21 mo ago | Seed | — | Graham Neubig Co-Founder | — | — | 3 launchs |
| 49 | DataJoint Provider of cloud-based open-source for defining and operating computational data pipelines | $5M | 8 mo ago | Seed | 17 | — | — | — | — |
| 50 | SubImage Open source based cloud infrastructure visualization platform 16Funding top 39%Talent bottom 49%Tech bottom 40%Global bottom 33% All 5 signals ▾Fundingtop 39% Talentbottom 49% Techbottom 40% Globalbottom 33% Marketbottom 25% Funding: Raised $4.7M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 16/100 | $5M | 6 mo ago | Seed | — | Alex Chantavy Co-Founder & CEO | — | — | — |
Top 12 Open Source companies in United States
#1
Series K · San Francisco, California · founded 2013 · 3299 employees$3.6Braised▾
Series K · San Francisco, California · founded 2013 · 3299 employees
Data and AI platform that unifies analytics. Its main site highlights building apps, agents, and AI on your data, with pricing based on pay-as-you-go usage. The platform offers data management, warehousing, engineering, and science capabilities. It facilitates data sharing, governance, and application development. The platform supports business intelligence and database functionalities.
Fliar Intelligence Index™ 97how this company ranks against its industry peers
Fin. health
top 11%Market
top 12%Innovation
top 15%AI
top 15%Tech
top 16%Talent
top 16%Fin. health: Revenue ~$2.6B
Market: 3,299 employees (top 2% of Enterprise Infrastructure) · Revenue ~$2.6B · Top-100,000 web property
Innovation: 231 patents (top 6% of patent-holders) · 197 filings since 2022 vs 34 in 2017-21 · 13 new-product events in 24 mo
Audience (LinkedIn): 1.3M LinkedIn followers — 24.1% of this cohort's audience
Activity (LinkedIn): 4 product launches · 1 awards announced in 12 mo
Funding rounds
- Jan 2026Conventional Debt$2B
- Dec 2025Unattributed$5B
- Sep 2025Series K$1B
- Jan 2025Conventional Debt$5.2B
Founders & team
Investors
Nvidia, Capital One, Andreessen Horowitz, Fidelity Investments, Insight Partners, Tiger Global Management
Tech stack
6SenseAdobe Audience ManagerAmazon AlbAmazon CloudfrontAmazon S3Amazon Ses
#2
Grafana 🦄Series E · New York City, New York · founded 2014 · 900 employees$540.8Mraised▾
Grafana 🦄
Series E · New York City, New York · founded 2014 · 900 employees
Developer of open and composable platform for monitoring and observability. The company is offering Grafana Cloud, our fully managed observability platform, is flexible and built for scale, enabling organizations to see, understand, and act on all their disparate data so they can move at the speed of their ambitions. The platform supports various data sources and integrations, enabling users to create dashboards and alerts. It also provides capabilities for performance testing and synthetic monitoring.
Fliar Intelligence Index™ 93how this company ranks against its industry peers
Funding
top 13%Tech
top 16%Market
top 17%Innovation
top 19%Product
top 22%Moat
top 26%Funding: Raised $541M across 6 rounds · 6 rounds over 8 yrs (0.8/yr) · Last round Series E (Feb 2026)
Tech: 84 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services · Devops: Nginx
Market: 900 employees (top 5% of Enterprise Infrastructure) · Top-50,000 web property · Unicorn (valued $6.0B)
Audience (LinkedIn): 292k LinkedIn followers — 5.5% of this cohort's audience
Activity (LinkedIn): 1 product launches · 1 partnerships (incl. Cyvl) announced in 12 mo
Funding rounds
- Feb 2026Series E$250M
- Aug 2024Series D—
- Apr 2022Series D$240M
- Aug 2021Series C$220M
Founders & team
Investors
Sequoia Capital, Coatue, Lightspeed Venture Partners, Lead Edge Capital, GIC, J P Morgan
Tech stack
Adobe TargetAlgoliaAlpine.JsAmazon CloudfrontAmazon Web ServicesAngular
#3
Series B · New York City, New York · founded 2025$2.1Braised▾
Series B · New York City, New York · founded 2025
Developer of autonomous coding systems. It utilizes artificial intelligence and reinforcement learning to build tools that automate coding tasks. The platform provides a coding agent API that helps automate rote engineering work. It integrates with organizations codebase and engineering workflows to streamline development tasks. It leverages reinforcement learning and large language models to create AI systems that helps in writing, debugging, and optimizing code.
Fliar Intelligence Index™ 84how this company ranks against its industry peers
Funding
top 12%Growth
top 28%AI
top 30%Moat
top 32%Tech
top 34%Talent
top 38%Funding: Raised $2.1B across 3 rounds · 3 rounds over 1 yrs (3.0/yr) · Last round Series B (Oct 2025)
Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo
AI: Classified as an AI company · Product described with: artificial intelligence
Audience (LinkedIn): 25k LinkedIn followers · 283 engagements/post (14.8× cohort median)
Hiring (LinkedIn): 1 hiring post in 12 mo (public)
Activity (LinkedIn): 1 product launches · 2 partnerships · 1 expansions (incl. Dell Technologies) announced in 12 mo
Funding rounds
- Oct 2025Series B$2B
- Mar 2025Series A$105M
- Mar 2025Seed$25M
Founders & team
Investors
Sequoia Capital, CRV, Lightspeed Venture Partners, NVentures, Databricks, SV Angel
Tech stack
Apple Icloud MailGodaddyGoogle Tag ManagerGoogle WorkspaceHstsHubspot
#4
Temporal 🦄Series D · Seattle, Washington · founded 2019 · 51 employees$203.5Mraised▾
Temporal 🦄
Series D · Seattle, Washington · founded 2019 · 51 employees
Platform offering integrated cloud application development solution. The platform runs codes and builds applications. The features of the product include built in support for exponential activity retries, adhoc orchestration, and more.
Fliar Intelligence Index™ 89how this company ranks against its industry peers
Funding
top 15%Growth
top 15%Tech
top 22%Moat
top 26%News
top 29%Market
top 37%Funding: Raised $204M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) · Last round Series D (Feb 2026)
Growth: Headcount 15 → 51 (+240%) across vintages · Web rank 1,000,000 → 500,000 YoY · Fresh capital in last 24 mo
Tech: 58 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses · Devops: Nginx
Audience (LinkedIn): 35k LinkedIn followers
Activity (LinkedIn): 1 product launches announced in 12 mo
Funding rounds
- Feb 2026Series D$300M
- Mar 2025Series C$146M
- Feb 2023Series B$75M
- Feb 2022Series B$103M
Founders & team
Investors
Sequoia Capital, Greenoaks, Amplify Partners, Index Ventures, Madrona, Addition
Tech stack
Amazon CloudfrontAmazon SesAmazon Web ServicesAmplitudeApple Icloud MailAtlassian Statuspage
#5
Series C · Austin, Texas · founded 2017 · 19 employees$85.2Mraised▾
Series C · Austin, Texas · founded 2017 · 19 employees
Coder provides cloud based cross platform integrated development environment. It provides an open-source developer workspace platform. It enables developers to configure, secure, and manage software development environments by applying the infrastructure as a code paradigm to developer workspaces and moving them from local workstations into the cloud. It works by centralizing the creation and management of cloud developer workspaces.
Fliar Intelligence Index™ 72how this company ranks against its industry peers
Funding
top 21%Growth
top 25%Product
top 25%News
top 26%Tech
top 28%Talent
top 28%Funding: Raised $85.2M across 5 rounds · 5 rounds over 8 yrs (0.6/yr) · Last round Series C (Apr 2026)
Growth: Fresh capital in last 24 mo
Product: 6 distinct product lines · Company stage: Series C
Audience (LinkedIn): 15k LinkedIn followers
Activity (LinkedIn): 1 product launches announced in 12 mo
Funding rounds
- Apr 2026Series C$90M
- Jun 2024Series C$35M
- Mar 2020Series B$31.8M
- May 2019Series A$11.5M
Founders & team
Investors
In-Q-Tel, GGV Capital, Redpoint Ventures, Uncork Capital, Founders Fund, Capital Factory
Tech stack
6SenseCloudflareCloudflare Bot ManagementCloudflare Browser InsightsDatocmsGoogle Analytics
#6
Series D · Kirkland, Washington · founded 2021 · 77 employees$256Mraised▾
Series D · Kirkland, Washington · founded 2021 · 77 employees
Provider of hardened container images, language libraries, and virtual machine images. It focuses on delivering secure open source software through continuously rebuilding from source in secure environments with end-to-end integrity. The company offers minimal, customizable, zero-CVE container images with a SLA for CVE remediation, malware-resistant language libraries to protect against supply chain attacks and minimal, zero-CVE VM images purpose-built to serve as container hosts and optimized for cloud environments. It assembles, hardens, and distributes secure artifacts daily.
Fliar Intelligence Index™ 74how this company ranks against its industry peers
Funding
top 15%Tech
top 25%Moat
top 26%News
top 30%Talent
top 32%Product
top 33%Funding: Raised $256M across 6 rounds · 6 rounds over 5 yrs (1.2/yr) · Last round Conventional Debt (Oct 2025)
Tech: 63 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services · Observability: New Relic, Sentry
Moat: Editorial + unicorn rating 9/10 · Unicorn · 9 curated direct competitors tracked
Audience (LinkedIn): 63k LinkedIn followers
Activity (LinkedIn): 1 product launches · 1 awards announced in 12 mo
Funding rounds
- Oct 2025Conventional Debt$280M
- Apr 2025Series D$356M
- Jul 2024Series C$140M
- Nov 2023Series B$61M
Founders & team
Investors
Sequoia Capital, Amplify Partners, Mantis VC, Banana Capital, K5 Ventures, Live Oak Ventures
Tech stack
6SenseAlgoliaAmplitudeBootstrapCloudflareCloudflare Bot Management
#7
Seed · Menlo Park, California · founded 2023$30Mraised▾
Seed · Menlo Park, California · founded 2023
Developer of platform for building and managing autonomous agents and workflows. The platform offers tools for developing, deploying, and managing autonomous agents and RAG pipelines. It provides features such as integrations, observability, and the ability to connect to various large language models. The platform supports the creation of AI applications through visual workflows and offers options for publishing and integration with other systems.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 10k LinkedIn followers
Activity: 3 product launches announced in 12 mo
Funding rounds
- Mar 2026Seed$30M
- Mar 2025Angel—
Founders & team
Investors
China Renaissance Capital Investment, HSG, GL Ventures, Bessemer Venture Partners, 5Y Capital, Mizuho Leaguer Investment
Tech stack
Base UiCloudflareCloudflare Browser InsightsCookieyesDiscourseEmber.Js
#8
Series C · Saratoga, California · founded 2021 · 15 employees$29.3Mraised▾
Series C · Saratoga, California · founded 2021 · 15 employees
Developer of open-source platform for building and scaling realtime voice agents. The platform provides APIs and tools for creating applications with voice and video capabilities. It offers infrastructure for managing concurrent calls, turn detection, and integration with telephony systems. The platform supports self-hosting or deployment to a cloud environment.
Fliar Intelligence Index™ 72how this company ranks against its industry peers
AI
top 20%Funding
top 27%Growth
top 28%News
top 28%Tech
top 31%Talent
top 38%AI: Classified as an AI company
Funding: Raised $29.3M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) · Last round Series C (Jan 2026)
Growth: Web rank 1,000,000 → 500,000 YoY · Fresh capital in last 24 mo
Audience (LinkedIn): 13k LinkedIn followers
Activity (LinkedIn): 3 product launches · 1 partnerships (incl. labb) announced in 12 mo
Funding rounds
- Jan 2026Series C$100M
- Apr 2025Series B$45M
- Mar 2024Series A$22M
- Sep 2022Series A$7.3M
Founders & team
Investors
Altimeter Capital, Redpoint Ventures, Hanabi Capital, Salesforce Ventures, Index Ventures, Boost VC
Tech stack
Apple Icloud MailCloudflareCloudflare Browser InsightsDiscourseEmber.JsGoogle Workspace
#9
Series D · Cincinnati, Ohio · founded 2015 · 100 employees$300Mraised▾
Series D · Cincinnati, Ohio · founded 2015 · 100 employees
Cloud-based platform for data pipelines. It is a hosted data pipeline service that can be used to connect various data sources like Oracle, MySQL, Salesforce, etc to destinations like cloud platform amazon redshift, bi tools, google analytics, and website analytics tools like kissmetrics. The company also provides implementation services to the companies with no data engineer.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 144k LinkedIn followers — 2.7% of this cohort's audience · 56 engagements/post (2.9× cohort median)
Funding rounds
- May 2025Series D$93M
- Mar 2022Series C$213M
- Sep 2019Seed$5.7M
- Jun 2017Conventional Debt$1M
Founders & team
Investors
AngelPad, Wireframe Ventures, CincyTech, Frontline Ventures, Grand Ventures, M25
Tech stack
AlgoliaAmazon CloudfrontAmazon Web ServicesAstroAtlassian StatuspageAxios
#10
PostHog 🦄Series E · San Francisco, California · founded 2020 · 36 employees$39Mraised▾
PostHog 🦄
Series E · San Francisco, California · founded 2020 · 36 employees
Cloud based product analytics tools. Features of the product include user behavior analysis, analyzation of trends, funnels, retention, and cohorts, compatibility, data access, and more. It also provides data retention, supports SSO SAML, exports to data lakes, pricing models, analytics stack, and more.
Fliar Intelligence Index™ 72how this company ranks against its industry peers
Funding
top 23%Tech
top 23%Moat
top 31%Growth
top 35%News
top 37%Talent
top 38%Funding: Raised $39.0M across 7 rounds · 7 rounds over 6 yrs (1.2/yr) · Last round Series E (Sep 2025)
Tech: 56 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses · Devops: Envoy
Moat: Editorial + unicorn rating 7/10 · Unicorn · 10 curated direct competitors tracked
Audience (LinkedIn): 50k LinkedIn followers
Activity (LinkedIn): 1 product launches announced in 12 mo
Funding rounds
- Sep 2025Series E$75M
- Jun 2025Series D$70M
- Jun 2025Series C$10M
- Jun 2021Series B$15M
Founders & team
Investors
Google Ventures, Y Combinator, Stripe, Formus Capital, Peak XV Partners, Uncorrelated Ventures
Tech stack
Amazon SesAmazon Web ServicesAmplitudeApple Icloud MailBase UiCloudflare
#11
Acquired · San Francisco, California · founded 2011 · 109 employees$129.9Mraised▾
Acquired · San Francisco, California · founded 2011 · 109 employees
Developer of a prototype to production connectivity platform for IoT. Its Photon Wi-Fi and the Electron 2G3G cellular are primary prototyping platforms for integrating connectivity into devices. The product is primarily aimed at designers and developers rather than at enterprises.
Fliar Intelligence Index™ 55how this company ranks against its industry peers
Tech
top 23%Funding
top 24%Customers
top 24%News
top 30%Moat
top 35%Growth
top 40%Tech: 67 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Devops: Nginx
Funding: Raised $130M across 8 rounds · 8 rounds over 12 yrs (0.7/yr) · Last round Series C (Mar 2025)
Customers: App rating 4.2★ (289 reviews) · Marquee-customer mentions: top 30% of tracked companies
Audience (LinkedIn): 24k LinkedIn followers
Activity (LinkedIn): 1 product launches announced in 12 mo
Funding rounds
- Mar 2025Series C$5M
- Dec 2022Series C$12.2M
- Nov 2021Series C$30M
- Nov 2019Series C$40M
Founders & team
Investors
O'Reilly AlphaTech Ventures, Root Ventures, HAX, Collab Fund, Spark Capital, Qualcomm Ventures
Tech stack
AceAmazon CloudfrontAmazon S3Amazon Web ServicesAmerican ExpressApple Icloud Mail
#12
Kong 🦄Series E · San Francisco, California · founded 2009 · 128 employees$249.3Mraised▾
Kong 🦄
Series E · San Francisco, California · founded 2009 · 128 employees
Cloud based API management and microservices connectivity platform. It operates through RESTful API and is built on NGINX. It inspects and monitors APIs and microservice traffic. It provides ready to deploy plugins and adds functionality to APIs and applications. It also offers the flexibility to run on the cloud of the users choice such as AWS, Azure, Google Cloud. It has clients such as Cisco, GSK, Paypal, etc.
Fliar Intelligence Index™ 84how this company ranks against its industry peers
Tech
top 18%Patents
top 20%Funding
top 21%Moat
top 22%Innovation
top 30%Market
top 33%Tech: 76 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Devops: Nginx
Patents: 188 patents matched (strict assignee match) · 44 filings since 2022 vs 44 in 2017-21 · Latest publication 2026
Funding: Raised $249M across 7 rounds · 7 rounds over 16 yrs (0.4/yr) · Last round Series E (Nov 2024)
Funding rounds
- Nov 2024Series E—
- Aug 2024Series D$80M
- Dec 2020Series D$100M
- Dec 2018Series C$43M
Founders & team
Investors
Andreessen Horowitz, CRV, Index Ventures, Tiger Global Management, GGV Capital, World Innovation Lab
Tech stack
6SenseAdrollAdroll Cmp SystemAlpine.JsAmazon CloudfrontAmazon S3
Funding & investor landscape
$28.8Btotal disclosed funding
371companies funded
1,173disclosed rounds
1rounds last 90 days
Most active investors
Y Combinator55 rounds
Accel28 rounds
New Enterprise Associates21 rounds
Insight Partners17 rounds
Notable founders
Andy Konwinski
Co-Founder · Databricks
Arsalan Tavakoli-Shiraji
Co-Founder & SVP of Field Engineering · Databricks
Anthony Woods
Co-Founder · Grafana
Torkel Odegaard
Co-Founder · Grafana
Misha Laskin
Co-Founder & CEO · ReflectionAI
Ioannis Antonoglou
Co-Founder & CTO · ReflectionAI
Maxim Fateev
Co-Founder / CTO · Temporal
Samar Abbas
Co-Founder & CEO · Temporal
Kyle Carberry
Founder and CTO · Coder
Ammar Bandukwala
Co-Founder · Coder
Ville Aikas
Co-Founder · Chainguard
John Wang
Co-Founder · Dify
Prism market signals · United States · country-scoped Prism corpus, 12,053,801 docs
Market landscape — 10 sub-themes by coverage
Share of Open Source coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
How many Open Source companies are there in United States?
Radar tracks 717 indexable Open Source companies headquartered in United States that meet our profile-completeness bar.
What is the total funding raised by Open Source companies in United States?
The Open Source companies in United States on this list have raised a combined $28.8B in disclosed equity funding across 371 funded companies.
Which is the highest-funded Open Source company in United States?
Databricks is the highest-funded Open Source company in United States, with $3.6B in disclosed equity funding.
How many Open Source companies in United States are funded?
371 of the 717 Open Source companies in United States on this list have disclosed at least one equity funding round.
How many Open Source unicorns are there in United States?
29 Open Source companies in United States on this list are valued at $1B or more.
Who are the top investors in United States Open Source companies?
The most active investors in United States Open Source companies on this list include Y Combinator, Accel, Andreessen Horowitz, Sequoia Capital, New Enterprise Associates.
Riya SenguptaFinancials
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.