Best Open Source Companies in New York, United States
The 43 best Open Source companies in New York, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ReflectionAI.
Ranked: Best Open Source companies in New York
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | 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 | 10 mo ago | — | Misha Laskin Co-Founder & CEO | SanityApple iCloud MailGoogle Workspace+13 | — | 1 expansion |
| 2 | Cockroach Labs 🦄 Developer of a distributed SQL database designed for mission-critical applications | $633M | 56 mo ago | 460 | Benjamin Darnell Co-Founder & Chief Architect | PythonYouTubeDjango+36 | 25 patents Distributed multi-region SQL database with advanced LSM storage and admission control | — |
| 3 | 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 | 6 mo ago | 900 | Anthony Woods Co-Founder | Node.jsSalesforceIntercom+30 | — | 1 launch · 1 partnership |
| 4 | MongoDB Provider of a cloud-based database-as-a-service platform | $311M | 79 mo ago | 1,953 | Dwight Merriman Co-Founder | DrupalApple iCloud MailGoogle Workspace+41 | 194 patents Patents concentrated in computing, sensing & instrumentation | 1 partnership · 1 award |
| 5 | 21.co 🦄 Financial services platform for cryptocurrencies | $146M | 47 mo ago | 8 | Ophelia Snyder Co-Founder | Webflow EcommerceWebflowApple iCloud Mail+19 | — | — |
| 6 | Kaltura Provider of video solutions for webinars, events, hubs, and virtual classrooms | $145M | 120 mo ago | 580 | — | WordPress Block EditorWordPressApple iCloud Mail+28 | 3 patents Online video streaming platform enabling interactive effects, prefetching, and collaborative editing | — |
| 7 | CARTO Provider of a cloud-native platform for spatial analysis and location intelligence | $92M | 56 mo ago | 219 | Luis Sanz CEO | HugoCart FunctionalitySentry+31 | — | — |
| 8 | Code Climate Automated code review tool that helps reduce technical debt | $68M | 59 mo ago | 80 | — | Craft CMSSentryApple iCloud Mail+26 | — | — |
| 9 | ProcessMaker Open source based BPM and workflow software | $45M | 66 mo ago | 200 | Alex George CEO | WordPressMySQLPHP+22 | — | — |
| 10 | Spruce Provider of open source libraries for digital identity verification systems | $42M | 52 mo ago | 22 | — | GhostApple iCloud MailGoogle Workspace+17 | 5 patents Proximity-based device authentication and DVD/web media authoring technologies | — |
| 11 | Nuxeo Open source content management platform | $40M | 119 mo ago | 59 | — | Apple iCloud MailAlgoliaZURB Foundation+10 | 8 patents Integrating and optimizing machine learning workflows within enterprise content management systems. | — |
| 12 | 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 | 17 mo ago | 20 | Tomas Reimers Co-Founder & CPO | Node.jsThree.jsRadix UI+25 | — | — |
| 13 | Boundless Opensource tools to build and publish custom maps | $10M | 128 mo ago | 20 | — | — | 6 patents Patents concentrated in transport & manufacturing processes | — |
| 14 | Plural Cloud based kubernetes application deployment platform | $10M | 17 mo ago | 4,637 | Samuel Weaver Co-Founder & CEO | Node.jsRadix UIReact+24 | — | — |
| 15 | Bug Labs Provides product development platform and makes products social | $8M | 186 mo ago | 14 | Peter Semmelhack Founder & CEO | — | — | — |
| 16 | Directus Cloud-based open source headless content management platform | $7M | 45 mo ago | 37 | Benjamin Haynes Founder | Cart FunctionalityNode.jsElement UI+23 | 2 patents Mechanical rotary-to-linear motion conversion systems for industrial actuation | — |
| 17 | Ballerine Provider of an open-source identity and risk management platform | $5M | 39 mo ago | 7 | Noam Izhaki Co-Founder & CEO | Webflow EcommerceWebflowAmazon Web Services+22 | — | — |
| 18 | Socket Supply Decentralized cloud computing platform for app development | $4M | 52 mo ago | 7 | Paolo Fragomeni Chief Executive Officer | Amazon Web ServicesCloudflareAmazon S3+12 | — | — |
| 19 | Mitro Open source based password manager | $2M | 158 mo ago | — | Adam Hilss Founder | — | — | — |
| 20 | Mortar Data Data Science at Scale | $2M | 152 mo ago | 10 | — | — | — | — |
| 21 | Nodejitsu Provider of the platform as a service for enterprises | $750K | 158 mo ago | — | Charlie Robbins Founder & CEO | — | — | — |
| 22 | K-Scale Provider of open-source humanoid robot services | $500K | 26 mo ago | — | Pawel Budzianowski Co-Founder | — | 30 patents AI data annotation, dataset curation, and image/video preprocessing for machine learning. | — |
| 23 | OpenBCI Provider of an open-source brain-computer interface | $200K | 28 mo ago | 15 | Conor Russomanno Founder & CEO | Cart FunctionalityShopifyAmazon Web Services+37 | 12 patents Wearable EEG/biometric headgear and ear sensors for brain‑computer interface data acquisition | 1 job opening · 2 internships |
| 24 | NNext Provider of AI-based image recognition solutions | $20K | 50 mo ago | 4 | Peter Njenga Founder & CEO | — | — | — |
| 25 | COINCUBE Automated Bitcoin trading. | $20K | 128 mo ago | — | Robert William Allen CEO | — | — | — |
| 26 | IBM BlueMix OpenWhisk AI-ready, secure, hybrid cloud platform for regulated industries | — | 67 mo ago | 14 | Maya Jessica Brown Director of Client Delivery & Co-founder | Apple iCloud MailChart.jsVideoJS+40 | — | — |
Top 12 Open Source companies in New York
#1
Grafana 🦄Series E · New York City, New York · founded 2014 · 900 employees$540.8Mraised▾
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.
- Feb 2026Series E$250M
- Aug 2024Series D—
- Apr 2022Series D$240M
- Aug 2021Series C$220M
#2
Series B · New York City, New York · founded 2025$2.1Braised▾
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.
- Oct 2025Series B$2B
- Mar 2025Series A$105M
- Mar 2025Seed$25M
#3
Series B · New York City, New York · founded 2020 · 20 employees$20Mraised▾
Provider of open-source code review and CLI tools for engineers. Its offering includes code development practice tools, CLI tools, and code review tools. Its features include auto-land stacks, filters, notifications, and commands. It enables users to integrate with GitHub.
- Mar 2025Series B$52M
- May 2022Series A$20M
#4
Seed · New York City, New York · founded 2021 · 4637 employees$10.1Mraised▾
Cloud based Kubernetes application deployment platform. It enables users to deploy applications and software on Kubernetes. The platform provides solutions to manage the Kubernetes clusters in real-time. It enables users to define the kubernetes applications and develop deployment pipelines.
- Mar 2025Seed$6M
- Sep 2024Seed$4.1M
- Mar 2022Seed$6M
#5
Series F · New York City, New York · founded 2015 · 460 employees$632.9Mraised▾
Developer of a distributed SQL database designed for mission-critical applications. The database is compatible with PostgreSQL and built for zero downtime and effortless scaling. It supports distributed, ACID-compliant transactions and allows control over data placement. The database operates on a cloud setup or on-site infrastructure. It facilitates migrations of existing applications and services.
- Dec 2021Series F$278M
- Jan 2021Series E$160M
- May 2020Series D$86.6M
- Aug 2019Series C$55M
#6
21.co 🦄Series A · New York City, New York · founded 2013 · 8 employees$146.1Mraised▾
Financial services platform for cryptocurrencies. Offers products such as 21shares for STP issuance, Amun for providing token that combines smart contract and Defi investment products. Also provides investors with crypto exchange-traded products.
- Sep 2022Series A$25M
- Mar 2015Seed$116M
- May 2013Seed$5M
#7
Public · New York City, New York · founded 2007 · 1953 employees$311.3Mraised▾
Provider of a cloud-based database-as-a-service platform. The platform uses distributed infrastructure on commodity servers and supports developers in building mobile and web applications. Features of the product include data visualization, vector search, stream processing, cluster distribution, and more.
- Jan 2020Post IPO$1B
- Jun 2018Post IPO$250M
- Mar 2017Series F$7.7M
- Jan 2015Series F$80M
#8
Series C · New York City, New York · founded 2012 · 219 employees$92Mraised▾
Provider of a cloud-native platform for spatial analysis and location intelligence. The platform offers tools for data analysts, business analysts, GIS professionals, and developers. It facilitates spatial data analysis and visualization, enabling organizations to make informed business decisions. The platform supports use cases such as network planning, risk assessment, and identifying growth opportunities.
- Dec 2021Series C$61M
- Sep 2020Series B—
- Aug 2020Grant (prize money)$2.2M
- Sep 2015Series B$23M
#9
Series C · New York City, New York · founded 2011 · 80 employees$68.3Mraised▾
Automated code review tool that helps reduce technical debt. It offers static analysis tools into a single, real time report, giving the team the information it needs to identify hotspots, evaluate new approaches, and improve code quality. Can uncover security vulnerabilities, potential bugs, repetition of existing code, and unnecessarily complex programming. Used by more than 50,000 developers. Supports Ruby and Javascript. Customers include pivitol, zendesk, new relic.
- Sep 2021Series C$50M
- May 2020Series B$9.8M
- Oct 2016Series A$4.5M
- Aug 2015Seed$2M
#10
Public · New York City, New York · founded 2006 · 580 employees$145.1Mraised▾
Provider of video solutions for webinars, events, hubs, and virtual classrooms. The company delivers tools for corporate communication, higher education, marketing, sales, employee training, media, and telecom sectors. It offers an AI video suite, webinars, video portal, events management, and virtual classroom platforms. The company provides solutions for content repurposing, knowledge management, and audience engagement.
- Aug 2016Series D$50M
- Feb 2014Series C$47M
- Nov 2012Series C$25M
- Feb 2011Series B$20M
#11
Series A · New York City, New York · founded 2020 · 22 employees$41.6Mraised▾
Provider of open source libraries for digital identity verification systems. It offers features like an identity wallet to store the credentials across platforms, an issuer portal to build identities, verifier tools to check if the right credentials are being received from the right party, and an encrypted system for secure interactions with privacy.
- Apr 2022Series A$34M
- Nov 2021Seed$7.5M
- 2021Seed$125K
#12
Series A · New York City, New York · founded 2015 · 200 employees$45Mraised▾
ProcessMaker provides an open source based BPM and workflow software. It provides a drag & drop interface for business analysts to model approval-based workflows. Industry verticals covered include Education, Finance & Insurance, Government, Healthcare, Manufacturing, and Telecommunications. Some of its customers include TNT, Sony, mozy, Ahold, Tulsa Community College etc.
- Feb 2021Series A$45M
Funding & investor landscape
Notable founders
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
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.