Radar · Application Development Tools in California
Best Application Development Tools Companies in California, United States
The 617 best Application Development Tools companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Airtable.
By Rohit KhannaTrends & Stories
617companies tracked
$9.7Bdisclosed funding
12unicorns
290have raised
Ranked: Best Application Development Tools companies in California
| # | Company | Disclosed funding | Last round | Stage | Employees | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Airtable 🦄 Cloud and AI based low code workflow and app development platform | $1.4B | 54 mo ago | Series F | 548 548 → 930 (+70%) | ContentfulSentryApple iCloud Mail+35 | — | — |
| 2 | Magic AI AI based code completion and generation solutions | $466M | 26 mo ago | Series C | 7 | Proton MailGoogle WorkspaceNode.js+11 | 445 patents Patents concentrated in electrical & electronics | — |
| 3 | AppDirect 🦄 Online marketplace for web-based cloud applications and services | $438M | 29 mo ago | Series F | 986 | Apple iCloud MailGoogle WorkspaceAce+31 | 39 patents Patents concentrated in electrical & electronics | — |
| 4 | Gitlab Provider of a platform for software development, security, and delivery | $435M | 45 mo ago | Public | 699 | — | 34 patents Automation and security of software development pipelines, including code testing and vulnerability analysis. | 2 launchs |
| 5 | Replit 🦄 AI platform to build apps, websites, and software instantly 95Tech top 11%Funding top 14%Customers top 14%Growth top 16% All 13 signals ▾Techtop 11% Fundingtop 14% Customerstop 14% Growthtop 16% AItop 20% Newstop 27% Moattop 28% Innovationtop 31% Markettop 32% Producttop 37% Talenttop 38% Patentstop 42% Globalbottom 39% Tech: 69 technologies across 7/8 capability areas · Cloud: Cloudflare, Google Cloud Funding: Raised $272M across 8 rounds · 8 rounds over 8 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 95/100 | $272M | 3 mo ago | Series D | 92 | TurbopackEmotionSentry+28 | 14 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 6 | Augment Provider of AI-powered coding assistant and productivity tools for developers and development teams | $252M | 19 mo ago | Series B | 6 | TurbopackNode.jsSalesforce+26 | 2 patents Patents concentrated in computing, sensing & instrumentation | 2 launchs |
| 7 | Codeium 🦄 Platform offering AI powered code completion solutions | $243M | 21 mo ago | Series C | 19 | — | — | — |
| 8 | Windsurf Provider of AI-powered code editor enhancing developer productivity | $215M | 21 mo ago | Acquired | — | SentryApple iCloud MailNode.js+20 | — | 4 launchs |
| 9 | Cognition 🦄 Developer of an AI software engineer designed to automate coding 80Funding top 13%AI top 20%Growth top 24%News top 25% All 11 signals ▾Fundingtop 13% AItop 20% Growthtop 24% Newstop 25% Moattop 28% Talenttop 28% Techtop 37% Innovationtop 47% Markettop 50% Patentsbottom 48% Globalbottom 37% Funding: Raised $196M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) AI: Classified as an AI company rank vs industry peers · Fliar Intelligence Index 80/100 | $196M | 0 mo ago | Series D | — | SanityTurbopackApple iCloud Mail+22 | 7 patents Patents concentrated in health & consumer products | 3 launchs · 2 partnerships |
| 10 | Dev Rev 🦄 Provider of conversational AI solutions for managing business operations | $151M | 23 mo ago | Series A | 42 | SanityApple iCloud MailGoogle Workspace+24 | — | 1 launch |
| 11 | Cortex Developer of an internal developer portal using AI technology | $112M | 21 mo ago | Series C | 44 | StoryblokApple iCloud MailGoogle Workspace+22 | 23 patents Cardiac electrophysiology mapping and impedance‑based pulsed‑field ablation catheter navigation | 1 launch |
| 12 | Hex Provider of Collaborative notebooks for developing applications 82AI top 20%Growth top 21%Funding top 23%Talent top 28% All 10 signals ▾AItop 20% Growthtop 21% Fundingtop 23% Talenttop 28% Moattop 31% Techtop 40% Producttop 45% Marketbottom 46% Globalbottom 37% Newsbottom 21% AI: Classified as an AI company Growth: Headcount 23 → 60 (+161%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 82/100 | $102M | 12 mo ago | Series C | 60 | SanityApple iCloud MailGoogle Workspace+26 | — | — |
| 13 | Emergent Developer of an AI-powered platform for building web and mobile applications 84Funding top 18%Growth top 20%AI top 30%Tech top 33% All 10 signals ▾Fundingtop 18% Growthtop 20% AItop 30% Techtop 33% Markettop 35% Moattop 37% Talenttop 38% Innovationtop 50% Globalbottom 46% Patentsbottom 41% Funding: Raised $100M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) Growth: Web rank 5,000,000 → 50,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 84/100 | $100M | 4 mo ago | Series B | — | Amazon WebstoreRadix UITailwind CSS+24 | 6 patents Plasma-based material processing reactors and dual-chamber packaging container technologies. | 1 job opening · 2 launchs |
| 14 | Semgrep Platform offering code analysis and review solutions | $93M | 16 mo ago | Series D | 146 | SalesforceBootstrapAtlassian Statuspage+24 | — | 2 launchs |
| 15 | Linear B Software development productivity analytics 67Patents top 23%Funding top 24%Moat top 26%Talent top 28% All 10 signals ▾Patentstop 23% Fundingtop 24% Moattop 26% Talenttop 28% Innovationtop 29% Techtop 33% Producttop 49% Marketbottom 43% Globalbottom 40% Newsbottom 22% Patents: 216 patents matched (strict assignee match) · 84 filings since 2022 vs 89 in 2017-21 Funding: Raised $71.0M across 4 rounds · 4 rounds over 7 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 67/100 | $71M | 5 mo ago | Series B | 44 | PlasmicSentryZendesk+34 | 216 patents Advanced electric motor designs—segmented rotors/stators, flat‑wire windings, and control. | 1 job opening |
| 16 | Anysphere 🦄 Developer of software and models for automating code and improving programmers 69Funding top 18%Partners top 22%Talent top 28%AI top 30% All 10 signals ▾Fundingtop 18% Partnerstop 22% Talenttop 28% AItop 30% Newstop 32% Markettop 42% Moattop 42% Growthtop 50% Techbottom 45% Globalbottom 37% Funding: Raised $71.0M across 5 rounds · 5 rounds over 3 yrs (1.7/yr) Partners: 4 contract events in 12 mo · Named contractor/client in 4 deals rank vs industry peers · Fliar Intelligence Index 69/100 | $71M | 7 mo ago | Series D | — | Node.jsTailwind CSSReact+9 | — | — |
| 17 | RevenueCat Provider of platform for in-app subscription and purchase management services 64Funding top 24%Tech top 24%Growth top 31%Moat top 31% All 10 signals ▾Fundingtop 24% Techtop 24% Growthtop 31% Moattop 31% Talenttop 34% Producttop 40% Marketbottom 45% Globalbottom 37% Customersbottom 32% Newsbottom 18% Funding: Raised $69.5M across 7 rounds · 7 rounds over 8 yrs (0.9/yr) Tech: 63 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 rank vs industry peers · Fliar Intelligence Index 64/100 | $69M | 12 mo ago | Series C | 33 | SalesforceIntercomTailwind CSS+35 | — | — |
| 18 | Cursor AI-powered coding platform boosting developer productivity and software creation | $62M | 21 mo ago | Unfunded | — | TurbopackApple iCloud MailGoogle Workspace+24 | — | — |
| 19 | Expo Provider of developer productivity CLI tools 78Tech top 12%Customers top 19%Funding top 24%Growth top 28% All 12 signals ▾Techtop 12% Customerstop 19% Fundingtop 24% Growthtop 28% Producttop 36% Newstop 37% Talenttop 38% Moattop 42% Markettop 44% Innovationtop 47% Globalbottom 42% Patentsbottom 41% Tech: 62 technologies across 7/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services Customers: Play-Store rating 4.44★ across 28,633 ratings (1 apps) · Review volume +19% in 6 mo rank vs industry peers · Fliar Intelligence Index 78/100 | $45M | 2 mo ago | Series B | 48 | SanityTurbopackSentry+22 | 12 patents Automated event attendance/lead tracking software and magnetic freestanding display hardware | 1 job opening · 2 launchs |
| 20 | Dify Developer of platform for building and managing autonomous agents and workflows | $30M | 3 mo ago | Seed | — | TurbopackSentryNode.js+16 | — | 3 launchs |
| 21 | Macroscope Provider of AI-driven code review and engineering status update platform | $30M | 8 mo ago | Series A | — | Apple iCloud MailNode.jsRadix UI+20 | — | 2 launchs |
| 22 | Orkes AI powered code collaboration platform 55Funding top 26%News top 28%Growth top 35%Talent top 38% All 9 signals ▾Fundingtop 26% Newstop 28% Growthtop 35% Talenttop 38% Moattop 39% Techtop 42% AItop 45% Globalbottom 37% Marketbottom 28% Funding: Raised $29.3M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) News: 4 BI events in 12 mo (of 7 tracked, 2 types) · Top themes: Funding, Capital raise rank vs industry peers · Fliar Intelligence Index 55/100 | $29M | 1 mo ago | Series B | 12 | WebflowStripeAmazon Web Services+28 | — | — |
| 23 | 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 | Node.jsThree.jsRadix UI+17 | — | 3 launchs · 1 partnership |
| 24 | Composio Platform to integrate AI agents and large language models with their technology stack | $29M | 14 mo ago | Series A | — | WordPressMySQLPHP+32 | — | — |
| 25 | Cline Developer of an AI autonomous coding agent integrated into various IDEs. | $27M | 10 mo ago | Series A | — | Node.jsTailwind CSSReact+19 | — | 2 launchs |
| 26 | Mintlify Provider of a platform for creating and maintaining technical documentation 67Tech top 25%Growth top 28%Funding top 29%AI top 30% All 9 signals ▾Techtop 25% Growthtop 28% Fundingtop 29% AItop 30% Talenttop 38% Moattop 48% Globalbottom 32% Marketbottom 30% Newsbottom 15% Tech: 47 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services Growth: Web rank 1,000,000 → 500,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 67/100 | $21M | 2 mo ago | Series B | 5 | TurbopackNode.jsRadix UI+24 | — | — |
| 27 | Wabi Developer of a personal software platform with customizable mini applications 60Talent top 35%Funding top 41%Tech top 45%Global bottom 25% All 4 signals ▾Talenttop 35% Fundingtop 41% Techtop 45% Globalbottom 25% Talent: 3 named leaders on record Funding: Raised $20.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $20M | 7 mo ago | Seed | — | TurbopackSentryNode.js+15 | — | — |
| 28 | CodeRabbit AI powered code review platform | $20M | 9 mo ago | Series B | — | SentryApple iCloud MailGoogle Workspace+37 | — | 3 launchs |
| 29 | Rork Developer of AI-powered platform for building cross-platform native mobile applications 64Funding top 33%Talent top 38%AI top 45%Tech top 46% All 6 signals ▾Fundingtop 33% Talenttop 38% AItop 45% Techtop 46% Markettop 47% Globalbottom 48% Funding: Raised $17.8M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 64/100 | $18M | 2 mo ago | Seed | — | Node.jsRadix UITailwind CSS+20 | — | — |
| 30 | Browser Use Cloud based browser automation platform | $17M | 14 mo ago | Seed | — | Apple iCloud MailGoogle WorkspaceNode.js+15 | — | 2 launchs |
| 31 | Fern Provider of SaaS-based open-source format for APIs | $13M | 14 mo ago | Acquired | 2 | WebflowRiveStripe+16 | — | 1 launch |
| 32 | Savant Labs Provider of an automation platform for business analytics with agentic AI | $11M | 18 mo ago | Series A | 22 | WordPressSentryApple iCloud Mail+37 | 8 patents Advanced turbocharger components, variable-geometry turbine housings, and one-way heart assist valves | 1 launch |
| 33 | Vybe Provider of a platform for building secure internal applications quickly | $10M | 6 mo ago | Seed | — | Node.jsRadix UITailwind CSS+17 | — | — |
| 34 | Create Developer of an AI app builder using text and integrations | $8M | 10 mo ago | Series A | 10 | SentryTypeScriptGraphQL+27 | 10 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 35 | StackBlitz Cloud based integrated web application development environment | $8M | 16 mo ago | Series B | 26 | Apple iCloud MailGoogle WorkspaceRuby+11 | 10 patents Optimized network browser engine for web content delivery and rendering | — |
| 36 | Deductive AI AI powered software solutions to automate debugging and root-cause analysis of software issues | $8M | 7 mo ago | Seed | — | WebflowGSAPAmazon Web Services+14 | — | — |
| 37 | FlowFuse Open-source low-code programming tool | $7M | 12 mo ago | Series A | 13 | YouTubeTailwind CSSStripe+19 | — | — |
| 38 | NetQuarry Provider of application development platform | $7M | 17 mo ago | Funding Raised | 8 | — | — | — |
| 39 | Manufact Developer of open-source SDK for building and deploying MCP applications | $6M | 4 mo ago | Seed | — | TurbopackSentryNode.js+18 | — | — |
| 40 | Helium Provider of paywall development platform | $6M | 10 mo ago | Series A | — | — | — | — |
| 41 | Crafting Cloud integrated development environment for multi-services applications | $6M | 3 mo ago | Seed | 6 | WebflowjQueryHSTS+6 | — | — |
| 42 | Entelligence Developer of an AI assistant for engineering leadership and code review | $5M | 5 mo ago | Series A | — | — | — | — |
| 43 | Roo Code Developer of AI-powered coding assistant that integrates into VS Code | $5M | 11 mo ago | Series A | — | TurbopackEmotionSentry+19 | — | — |
| 44 | Iterate Enterprise AI application platform providing low-code development tools | $4M | 12 mo ago | Series A | 58 | WebflowApple iCloud MailGoogle Workspace+18 | — | — |
| 45 | minitap Developer of a platform for mobile app building and testing | $4M | 6 mo ago | Seed | — | — | — | 3 launchs |
| 46 | Greptile AI powered code search and explainer platform | $4M | 10 mo ago | Series A | — | TurbopackNode.jsThree.js+18 | — | — |
| 47 | Bito Developer of an AI code review agent for software development | $3M | 12 mo ago | Seed | 2 | WordPressMySQLPHP+33 | — | 2 launchs |
| 48 | SimplAI Developer of artificial intelligence agents for enterprise workflow automation platforms | $2M | 4 mo ago | Seed | — | Node.jsTailwind CSSAnt Design+25 | — | 1 job opening · 2 launchs |
| 49 | SuprSend Platform offering API for real time communication | $1M | 1 mo ago | Seed | 13 | WebflowAmazon Web ServicesGSAP+26 | — | 1 job opening · 6 launchs |
| 50 | Emdash Developer of open-source agentic environment for coding with parallel agents | $500K | 5 mo ago | Seed | — | TurbopackNode.jsRadix UI+12 | — | — |
Top 12 Application Development Tools companies in California
#1
Series D · San Francisco, California · founded 2023$196Mraised▾
Series D · San Francisco, California · founded 2023
Developer of an AI software engineer designed to automate coding. The AI is designed to handle end-to-end development tasks independently. It helps engineering teams focus on complex problems. The AI software engineer supports software delivery and business growth.
Fliar Intelligence Index™ 80how this company ranks against its industry peers
Funding
top 13%AI
top 20%Growth
top 24%News
top 25%Moat
top 28%Talent
top 28%Funding: Raised $196M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) · Last round Series D (May 2026)
AI: Classified as an AI company
Growth: 5 acquisition/expansion moves in 24 mo · Fresh capital in last 24 mo
Audience (LinkedIn): 81k LinkedIn followers — 3.4% of this cohort's audience
Activity (LinkedIn): 3 product launches · 2 partnerships (incl. Cognition) announced in 12 mo
Funding rounds
- Aug 2025Series C$500M
- Mar 2025Series B—
- Apr 2024Series B$175M
- Mar 2024Series A$21M
Founders & team
Investors
Founders Fund, 8VC, Khosla Ventures, Conviction, Lux Capital, Neo
Tech stack
Amazon Web ServicesApple Icloud MailCore-JsFacebook PixelGoogle AnalyticsGoogle Tag Manager
#2
Replit 🦄Series D · Foster City, California · founded 2016 · 92 employees$271.9Mraised▾
Replit 🦄
Series D · Foster City, California · founded 2016 · 92 employees
AI platform to build apps, websites, and software instantly. It enables users to create, deploy, and scale apps, websites, and software using natural language, with built-in tools for design, databases, hosting, collaboration, and integrations.
Fliar Intelligence Index™ 95how this company ranks against its industry peers
Tech
top 11%Funding
top 14%Customers
top 14%Growth
top 16%AI
top 20%News
top 27%Tech: 69 technologies across 7/8 capability areas · Cloud: Cloudflare, Google Cloud · Devops: Envoy, Varnish
Funding: Raised $272M across 8 rounds · 8 rounds over 8 yrs (1.0/yr) · Last round Series D (Mar 2026)
Customers: Play-Store rating 4.64★ across 39,249 ratings (1 apps) · Review volume +32% in 6 mo · Marquee-customer mentions: top 17% of tracked companies
Audience (LinkedIn): 187k LinkedIn followers — 7.8% of this cohort's audience
Activity (LinkedIn): 1 product launches announced in 12 mo
Funding rounds
- Mar 2026Series D$400M
- Sep 2025Series D$250M
- Nov 2023Series D$20M
- Apr 2023Series D$97.4M
Founders & team
Investors
A.Capital Ventures, Andreessen Horowitz, Y Combinator, Reach Capital, Bloomberg Beta, Volt Capital
Tech stack
AmplitudeApolloApple Icloud MailCdnjsCloudflareCloudflare Bot Management
#3
Series B · Pleasanton, California · founded 2024$100Mraised▾
Series B · Pleasanton, California · founded 2024
Developer of an AI-powered platform for building web and mobile applications. The platform enables users to create applications through natural language descriptions, with the AI handling coding, design, and deployment. It offers features such as instant deployment, data connections, and scalability. The platform provides tools for building custom agents and integrations.
Fliar Intelligence Index™ 84how this company ranks against its industry peers
Funding
top 18%Growth
top 20%AI
top 30%Tech
top 33%Market
top 35%Moat
top 37%Funding: Raised $100M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) · Last round Series B (Jan 2026)
Growth: Web rank 5,000,000 → 50,000 YoY · Fresh capital in last 24 mo
AI: Classified as an AI company · Product described with: ai-powered
Audience (LinkedIn): 85k LinkedIn followers — 3.6% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: person per city
Activity (LinkedIn): 2 product launches announced in 12 mo
Funding rounds
- Jan 2026Series B$70M
- Dec 2025Series A—
- Aug 2025Series A$23M
- Sep 2024Seed$7M
Founders & team
Investors
Y Combinator, Together, Lightspeed Venture Partners, Prosus, Google Labs, SoftBank Vision Fund
Tech stack
Amazon AdvertisingAmazon S3Amazon Web ServicesAmazon WebstoreCaddyCloudflare
#4
Series B · Palo Alto, California · founded 2013 · 48 employees$45Mraised▾
Series B · Palo Alto, California · founded 2013 · 48 employees
Provider of developer productivity CLI tools. The platform offers CLI tools that help developers in making projects and running apps in multiple environments. It enables the creation of experiences with gestures and graphics by leveraging javascript and native. Also, it offers tools that include forums.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
Tech
top 12%Customers
top 19%Funding
top 24%Growth
top 28%Product
top 36%News
top 37%Tech: 62 technologies across 7/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services · Devops: Envoy
Customers: Play-Store rating 4.44★ across 28,633 ratings (1 apps) · Review volume +19% in 6 mo
Funding: Raised $45.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series B (Apr 2026)
Audience (LinkedIn): 34k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Technical BDR
Activity (LinkedIn): 2 product launches announced in 12 mo
Funding rounds
- Apr 2026Series B$45M
Founders & team
Investors
Georgian, Leadout Capital, A.Capital Ventures, Brighter Capital, Form Capital, Summit Partners
Tech stack
AlgoliaAmazon CloudfrontAmazon Web ServicesAmplitudeApolloAtlassian Statuspage
#5
Series B · Cupertino, California · founded 2021 · 12 employees$29.3Mraised▾
Series B · Cupertino, California · founded 2021 · 12 employees
AI powered code collaboration platform. It orchestrates the development process by enabling users to collaborate on code, and develop microservices. It allows users to build distributed systems, and applications in real time. The platform supports SDKs in different language such as Java, python, typescript, and more.
Fliar Intelligence Index™ 55how this company ranks against its industry peers
Funding
top 26%News
top 28%Growth
top 35%Talent
top 38%Moat
top 39%Tech
top 42%Funding: Raised $29.3M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) · Last round Series B (Apr 2026)
News: 4 BI events in 12 mo (of 7 tracked, 2 types) · Top themes: Funding, Capital raise
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 19k LinkedIn followers
Funding rounds
- Apr 2026Series B$60M
- Feb 2024Series A$20M
- Mar 2022Seed$9.3M
Founders & team
Investors
Battery Ventures, Vertex Ventures, Nexus Venture Partners, AVP, Prosperity7 Ventures, Secure Octane Investments
Tech stack
6SenseAmazon CloudfrontAmazon SesAmazon Web ServicesCloudflareCloudflare Bot Management
#6
Series B · Santa Monica, California · founded 2018 · 44 employees$71Mraised▾
Series B · Santa Monica, California · founded 2018 · 44 employees
Linear B is a software development productivity analytics solution. It helps to provide insights into things like people who impact the codebase, the highest contributors, and detracting behaviors. It can perform programming language specific analysis, to provide metrics on quality, security, performance, usability, and complexity. It can also provide language & interaction analysis and deliver metrics on code churn, commit cadence, team impact, motivation, and engagement. Other offered solutions include workforce training analysis, organization benchmarking, and priority-ranked improvement recommendations. The company claims to utilize AI technologies for providing the solution. Notable clients include Axonius, Kanban Zone, and Best Practice Energy. Compatible with React JS, Python, GO, Java, Docker, GitHub, GitLab, and Bitbucket.
Fliar Intelligence Index™ 67how this company ranks against its industry peers
Patents
top 23%Funding
top 24%Moat
top 26%Talent
top 28%Innovation
top 29%Tech
top 33%Patents: 216 patents matched (strict assignee match) · 84 filings since 2022 vs 89 in 2017-21 · Latest publication 2025
Funding: Raised $71.0M across 4 rounds · 4 rounds over 7 yrs (0.6/yr) · Last round Series B (Jan 2026)
Moat: Editorial + unicorn rating 8/10 · IP moat: 216 patents · Soonicorn
Audience (LinkedIn): 14k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public)
Funding rounds
- Jan 2026Series B$11.3M
- May 2022Series B$50M
- Mar 2021Series A$16.1M
- Jan 2019Angel$1.6M
Founders & team
Investors
Battery Ventures, 83NORTH, TechAviv Founder Partners, Salesforce Ventures, Tribe Capital
#7
Series B · San Francisco, California · founded 2022 · 5 employees$21Mraised▾
Series B · San Francisco, California · founded 2022 · 5 employees
Provider of a platform for creating and maintaining technical documentation. The platform helps teams integrate artificial intelligence into documentation lifecycles. It supports integration with existing AI workflows. The platform offers features such as a context-aware agent for content creation and an AI assistant for user support. It also provides enterprise-grade professional service and security features.
Fliar Intelligence Index™ 67how this company ranks against its industry peers
Tech
top 25%Growth
top 28%Funding
top 29%AI
top 30%Talent
top 38%Moat
top 48%Tech: 47 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services · Observability: Datadog, Sentry
Growth: Web rank 1,000,000 → 500,000 YoY · Fresh capital in last 24 mo
Funding: Raised $21.0M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) · Last round Series B (Apr 2026)
Funding rounds
- Apr 2026Series B$45M
- Sep 2024Series A$18M
- May 2022Seed$2.8M
- Mar 2022Seed$500K
Founders & team
Investors
Bain Capital Ventures, Twenty Two Ventures, Y Combinator, Andreessen Horowitz, Salesforce Ventures, Bain Capital
Tech stack
Amazon S3Amazon Web ServicesAmplitudeApexcharts.JsCloudflareCloudflare Bot Management
#8
Series D · San Francisco, California · founded 2022$71Mraised▾
Series D · San Francisco, California · founded 2022
Developer of software and models for automating code and improving programmers. The company builds tools intended to create a human-AI hybrid programmer. The software and model are designed to enhance control over codebases. It builds intelligent coding tools, including an AI-powered code editor.
Fliar Intelligence Index™ 69how this company ranks against its industry peers
Funding
top 18%Partners
top 22%Talent
top 28%AI
top 30%News
top 32%Market
top 42%Funding: Raised $71.0M across 5 rounds · 5 rounds over 3 yrs (1.7/yr) · Last round Series D (Nov 2025)
Partners: 4 contract events in 12 mo · Named contractor/client in 4 deals
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Funding rounds
- Nov 2025Series D$2.3B
- May 2025Series C$900M
- Dec 2024Series B$105M
- Aug 2024Series A$60M
Founders & team
Investors
OpenAI Startup Fund, Andreessen Horowitz, Thrive Capital, Accel, DST Global, Coatue
Tech stack
Amazon Web ServicesGoogle WorkspaceHstsNext.JsNext.Js App RouterNode.Js
#9
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
#10
Seed · San Francisco, California · founded 2024$17.8Mraised▾
Seed · San Francisco, California · founded 2024
Developer of AI-powered platform for building cross-platform native mobile applications. The platform facilitates the creation of mobile applications using React Native. It allows users to upload images and offers templates for various app types. These include visual novels, Airbnb-style apps, and habit trackers.
Fliar Intelligence Index™ 64how this company ranks against its industry peers
Funding
top 33%Talent
top 38%AI
top 45%Tech
top 46%Market
top 47%Global
bottom 48%Funding: Raised $17.8M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) · Last round Seed (Apr 2026)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
AI: Product described with: ai-powered
Funding rounds
- Apr 2026Seed$15M
- May 2025Seed$2.8M
Founders & team
Investors
Andreessen Horowitz, Hustle Fund, Chapter One, Founders, Left Lane, Peak XV Partners
Tech stack
CloudflareCloudflare Browser InsightsCore-JsFacebook PixelGoogle AnalyticsGoogle Tag Manager
#11
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
#12
Series C · San Francisco, California · founded 2019 · 60 employees$101.5Mraised▾
Series C · San Francisco, California · founded 2019 · 60 employees
Provider of Collaborative notebooks for developing applications. It provides a business intelligence platform that offers a collaborative data workspace for turning ideas into analysis, developing applications via writing queries, and transforming data frames. It also provides solutions such as browsing schemas. The dashboard helps in creating multiple data visualizations.
Fliar Intelligence Index™ 82how this company ranks against its industry peers
AI
top 20%Growth
top 21%Funding
top 23%Talent
top 28%Moat
top 31%Tech
top 40%AI: Classified as an AI company
Growth: Headcount 23 → 60 (+161%) across vintages · Fresh capital in last 24 mo
Funding: Raised $102M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) · Last round Series C (May 2025)
Audience (LinkedIn): 30k LinkedIn followers
Funding rounds
- May 2025Series C$70M
- Mar 2023Series B$28M
- Mar 2022Series B$52M
- Oct 2021Series A$16M
Founders & team
Investors
Amplify Partners, BoxGroup, Operator Collective, Data Community Fund, Sequoia Capital, Andreessen Horowitz
Tech stack
Apple Icloud MailCloudflareCloudflare Bot ManagementCloudflare Browser InsightsCore-JsCustomer.Io
Funding & investor landscape
$9.7Btotal disclosed funding
285companies funded
573disclosed rounds
5rounds last 90 days
Most active investors
Sequoia Capital15 rounds
SV Angel14 rounds
Accel11 rounds
BoxGroup10 rounds
Notable founders
Steven Hao
Co-Founder · Cognition
Walden Yan
Co-Founder · Cognition
Haya Odeh
Co-Founder · Replit
Amjad Masad
CEO · Replit
Mukund Jha
Co-Founder & CEO · Emergent
Madhav Jha
Co-Founder & CTO · Emergent
Charlie Cheever
Co-Founder · Expo
James Ide
Co-Founder & CTO · Expo
Viren Baraiya
Co-Founder & CTO · Orkes
Jeu George
Co-Founder & CEO · Orkes
Dan Lines
Co-Founder & COO · Linear B
Ori Keren
Co-Founder & CEO · Linear B
Prism market signals · United States · country-scoped Prism corpus, 14,274,170 docs
Market landscape — 10 sub-themes by coverage
Share of Application Development Tools coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
How many Application Development Tools companies are there in California, United States?
Radar tracks 617 indexable Application Development Tools companies headquartered in California, United States that meet our profile-completeness bar.
What is the total funding raised by Application Development Tools companies in California, United States?
The Application Development Tools companies in California, United States on this list have raised a combined $9.7B in disclosed equity funding across 285 funded companies.
Which is the highest-funded Application Development Tools company in California, United States?
Airtable is the highest-funded Application Development Tools company in California, United States, with $1.4B in disclosed equity funding.
How many Application Development Tools companies in California, United States are funded?
285 of the 617 Application Development Tools companies in California, United States on this list have disclosed at least one equity funding round.
How many Application Development Tools unicorns are there in California, United States?
12 Application Development Tools companies in California, United States on this list are valued at $1B or more.
Who are the top investors in California, United States Application Development Tools companies?
The most active investors in California, United States Application Development Tools companies on this list include Y Combinator, Andreessen Horowitz, Sequoia Capital, SV Angel, Soma Capital.
Rohit KhannaTrends & Stories
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.