# Top 50 Developer Tools Startups in San Francisco by Funding (2026)

> The 50 best-funded developer Tools startups in San Francisco, ranked by total funding raised: $14B combined.

Source: https://millionrounds.com/top-lists/developer-tools-startups-san-francisco (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Cursor** Cursor is an American software company based in San Francisco, California, founded in 2022 by four MIT graduates.](https://millionrounds.com/company/cursor) Cursor is an American software company based in San Francisco, California, founded in 2022 by four MIT graduates. *Founded* 2017 San Francisco, United States **$4.3B** last round Apr 2026
- 2 [**Anysphere** Anysphere is a company that builds Artificial Intelligence tools and assistants to help humans.](https://millionrounds.com/company/anysphere) Anysphere is a company that builds Artificial Intelligence tools and assistants to help humans. *Founded* 2022 San Francisco, United States **$3.3B** last round Nov 2025
- 3 [**Poolside** Poolside is an AI startup founded in 2023 by Jason Warner and Eiso Kant.](https://millionrounds.com/company/poolside) Poolside is an AI startup founded in 2023 by Jason Warner and Eiso Kant. *Founded* 2023 San Francisco, United States **$1.5B** last round Oct 2024
- 4 [**Fal** fal.ai is a developer-first generative media platform and cloud infrastructure provider based in San Francisco, California.](https://millionrounds.com/company/fal) fal.ai is a developer-first generative media platform and cloud infrastructure provider based in San Francisco, California. *Founded* 2020 San Francisco, United States **$1.4B** last round Nov 2026
- 5 [**Flapping Airplanes** Flapping Airplanes is an AI research lab dedicated to developing data-efficient training methods for artificial intelligence.](https://millionrounds.com/company/flapping-airplanes) Flapping Airplanes is an AI research lab dedicated to developing data-efficient training methods for artificial intelligence. *Founded* - San Francisco, United States **$1.2B** last round Oct 2026
- 6 [**LangChain** LangChain is an artificial intelligence company based in San Francisco, founded in 2022 by Harrison Chase and Ankush Gola.](https://millionrounds.com/company/langchain) LangChain is an artificial intelligence company based in San Francisco, founded in 2022 by Harrison Chase and Ankush Gola. *Founded* 2022 San Francisco, United States **$425M** last round Nov 2026
- 7 [**Deepgram** Deepgram is a foundational AI company based in San Francisco, California, specializing in real-time voice AI technology.](https://millionrounds.com/company/deepgram) Deepgram is a foundational AI company based in San Francisco, California, specializing in real-time voice AI technology. *Founded* 2015 San Francisco, United States **$275M** last round Aug 2026
- 8 [**LMArena** LMArena is a web-based platform that evaluates large language models (LLMs) through anonymous, crowd-sourced pairwise comparisons.](https://millionrounds.com/company/lmarena) LMArena is a web-based platform that evaluates large language models (LLMs) through anonymous, crowd-sourced pairwise comparisons. *Founded* - San Francisco, United States **$250M** last round Jan 2026
- 9 [**CodeRabbit** CodeRabbit is an AI-powered platform that automates code reviews for software development teams.](https://millionrounds.com/company/coderabbit) CodeRabbit is an AI-powered platform that automates code reviews for software development teams. *Founded* 2023 San Francisco, United States **$203M** last round Aug 2026
- 10 [**Nylas** Nylas is a San Francisco-based Communication Platform-as-a-Service (CPaaS) company founded in 2013.](https://millionrounds.com/company/nylas) Nylas is a San Francisco-based Communication Platform-as-a-Service (CPaaS) company founded in 2013. *Founded* 2014 San Francisco, United States **$148M** last round Jun 2021
- 11 [**PostHog** PostHog is a San Francisco-based company founded in 2020 by James Hawkins and Tim Glaser.](https://millionrounds.com/company/posthog) PostHog is a San Francisco-based company founded in 2020 by James Hawkins and Tim Glaser. *Founded* 2020 San Francisco, United States **$145M** last round Sept 2025
- 12 [**Blacksmith** Blacksmith is a managed Continuous Integration (CI) cloud service that serves as a drop-in replacement for GitHub Actions runners.](https://millionrounds.com/company/blacksmith) Blacksmith is a managed Continuous Integration (CI) cloud service that serves as a drop-in replacement for GitHub Actions runners. *Founded* 2024 San Francisco, United States **$131M** last round Oct 2026
- 13 [**Convex** Convex is a San Francisco-based company that offers an open-source reactive backend platform designed for web developers.](https://millionrounds.com/company/convex) Convex is a San Francisco-based company that offers an open-source reactive backend platform designed for web developers. *Founded* 2021 San Francisco, United States **$120M** last round Aug 2026
- 14 [**Render** Render is a cloud infrastructure platform based in San Francisco, California, founded in 2018 by CEO Anurag Goel.](https://millionrounds.com/company/render) Render is a cloud infrastructure platform based in San Francisco, California, founded in 2018 by CEO Anurag Goel. *Founded* 2018 San Francisco, United States **$102M** last round Feb 2026
- 15 [**Parallel Web Systems** Parallel Web Systems is an AI infrastructure company focused on enhancing how AI agents interact with the web.](https://millionrounds.com/company/parallel-web-systems) Parallel Web Systems is an AI infrastructure company focused on enhancing how AI agents interact with the web. *Founded* 2023 San Francisco, United States **$100M** last round Apr 2026
- 16 [**Stytch** Stytch improves security and user experience with passwordless authentication.](https://millionrounds.com/company/stytch) Stytch improves security and user experience with passwordless authentication. *Founded* - San Francisco, United States **$90M** last round Nov 2021
- 17 [**Infisical** Infisical is a San Francisco-based cybersecurity startup founded in 2022 by Maidul Islam, Vlad Matsiiako, and Tony Dang.](https://millionrounds.com/company/infisical) Infisical is a San Francisco-based cybersecurity startup founded in 2022 by Maidul Islam, Vlad Matsiiako, and Tony Dang. *Founded* 2022 San Francisco, United States **$56M** last round Oct 2026
- 18 [**AirOps** AirOps is an enterprise-level content engineering platform that specializes in AI search growth.](https://millionrounds.com/company/airops) AirOps is an enterprise-level content engineering platform that specializes in AI search growth. *Founded* 2021 San Francisco, United States **$56M** last round Nov 2025
- 19 [**Hint Health** Hint Health is a digital health company based in San Francisco, founded in 2013.](https://millionrounds.com/company/hint-health) Hint Health is a digital health company based in San Francisco, founded in 2013. *Founded* 2013 San Francisco, United States **$55M** last round May 2022
- 20 [**Namespace** Namespace is a developer infrastructure company that enhances CI pipelines and developer workflows with high-performance build and test compute solutions.](https://millionrounds.com/company/namespace) Namespace is a developer infrastructure company that enhances CI pipelines and developer workflows with high-performance build and test compute solutions. *Founded* 2022 San Francisco, United States **$42M** last round Oct 2026
- 21 [**Mintlify** Mintlify is an AI-native documentation platform designed to help companies create, host, and manage developer-facing documentation.](https://millionrounds.com/company/mintlify) Mintlify is an AI-native documentation platform designed to help companies create, host, and manage developer-facing documentation. *Founded* 2022 San Francisco, United States **$37M** last round Apr 2026
- 22 [**Truework** Truework is an automated verification platform that specializes in income and employment verification for mortgage lenders, banking institutions, landlords, and HR teams.](https://millionrounds.com/company/truework) Truework is an automated verification platform that specializes in income and employment verification for mortgage lenders, banking institutions, landlords, and HR teams. *Founded* 2017 San Francisco, United States **$36M** last round Jun 2023
- 23 [**Courier** Courier is a notification infrastructure platform designed to enhance product-to-user communication.](https://millionrounds.com/company/courier) Courier is a notification infrastructure platform designed to enhance product-to-user communication. *Founded* 2019 San Francisco, United States **$35M** last round Jun 2022
- 24 [**Greptile** Greptile is a San Francisco-based AI company that specializes in enhancing software development through its AI code review agent and codebase understanding platform.](https://millionrounds.com/company/greptile) Greptile is a San Francisco-based AI company that specializes in enhancing software development through its AI code review agent and codebase understanding platform. *Founded* 2024 San Francisco, United States **$34M** last round Jul 2025
- 25 [**ComfyUI** ComfyUI is a San Francisco-based startup founded in 2023, focusing on an open-source, node-based AI creation engine.](https://millionrounds.com/company/comfyui) ComfyUI is a San Francisco-based startup founded in 2023, focusing on an open-source, node-based AI creation engine. *Founded* 2024 San Francisco, United States **$30M** last round May 2026
- 26 [**Memfault** IoT reliability platform that gives developers a more scalable & sustainable process to transform the way they build & operate devices](https://millionrounds.com/company/memfault) IoT reliability platform that gives developers a more scalable & sustainable process to transform the way they build & operate devices *Founded* 2018 San Francisco, United States **$27M** last round Jan 2023
- 27 [**Variance** Variance is an AI-powered risk intelligence platform designed to help enterprises detect and manage fraud, user-generated content violations, and marketplace abuse.](https://millionrounds.com/company/variance) Variance is an AI-powered risk intelligence platform designed to help enterprises detect and manage fraud, user-generated content violations, and marketplace abuse. *Founded* 2021 San Francisco, United States **$25M** last round Apr 2026
- 28 [**Builder.io** Builder.io is an AI-powered visual development platform founded in 2018, based in San Francisco, CA.](https://millionrounds.com/company/builder-io) Builder.io is an AI-powered visual development platform founded in 2018, based in San Francisco, CA. *Founded* 2017 San Francisco, United States **$20M** last round Apr 2024
- 29 [**Pipedream** The integration platform built for developers](https://millionrounds.com/company/pipedream) The integration platform built for developers *Founded* 2018 San Francisco, United States **$20M** last round May 2022
- 30 [**Decodable** Decodable is a serverless data integration and engineering platform for streaming data.](https://millionrounds.com/company/decodable) Decodable is a serverless data integration and engineering platform for streaming data. *Founded* 2021 San Francisco, United States **$20M** last round Feb 2022
- 31 [**Mem0** Mem0 is a San Francisco-based AI infrastructure company founded in 2023.](https://millionrounds.com/company/mem0) Mem0 is a San Francisco-based AI infrastructure company founded in 2023. *Founded* 2023 San Francisco, United States **$20M** last round Oct 2025
- 32 [**Salsa** Salsa, founded in 2021 by Juan Barroso and John Kramer, is an embedded payroll provider based in San Francisco, California.](https://millionrounds.com/company/salsa) Salsa, founded in 2021 by Juan Barroso and John Kramer, is an embedded payroll provider based in San Francisco, California. *Founded* 2021 San Francisco, United States **$20M** last round Apr 2025
- 33 [**Distributional** Distributional is an enterprise technology company focused on creating a modern platform for safe and reliable AI.](https://millionrounds.com/company/distributional) Distributional is an enterprise technology company focused on creating a modern platform for safe and reliable AI. *Founded* 2023 San Francisco, United States **$19M** last round Oct 2024
- 34 [**Resend** Resend is a developer-first email infrastructure platform founded in 2023, evolving from an open-source project started in 2022.](https://millionrounds.com/company/resend) Resend is a developer-first email infrastructure platform founded in 2023, evolving from an open-source project started in 2022. *Founded* 2023 San Francisco, United States **$18M** last round Dec 2024
- 35 [**Browser Use** Browser Use is a software company based in San Francisco, California, founded in 2024 by Magnus Müller and Gregor Žunič.](https://millionrounds.com/company/browser-use) Browser Use is a software company based in San Francisco, California, founded in 2024 by Magnus Müller and Gregor Žunič. *Founded* 2024 San Francisco, United States **$17M** last round Mar 2025
- 36 [**Archipelo** Archipelo is a cybersecurity startup based in San Francisco, founded in 2020.](https://millionrounds.com/company/archipelo) Archipelo is a cybersecurity startup based in San Francisco, founded in 2020. *Founded* 2020 San Francisco, United States **$16M** last round Feb 2025
- 37 [**Momentic** Momentic is an AI-native platform designed for engineering teams to create, execute, and maintain end-to-end tests for web, iOS, and Android applications using](https://millionrounds.com/company/momentic) Momentic is an AI-native platform designed for engineering teams to create, execute, and maintain end-to-end tests for web, iOS, and Android applications using *Founded* 2023 San Francisco, United States **$15M** last round Nov 2025
- 38 [**Same** Same is a SaaS company that offers a software platform for non-coders to build real products, websites and apps online.](https://millionrounds.com/company/same) Same is a SaaS company that offers a software platform for non-coders to build real products, websites and apps online. *Founded* - San Francisco, United States **$14M** last round Jun 2025
- 39 [**Merico** Merico develops code analytics technology to support engineering teams in understanding and optimizing productivity and code quality.](https://millionrounds.com/company/merico) Merico develops code analytics technology to support engineering teams in understanding and optimizing productivity and code quality. *Founded* 2018 San Francisco, United States **$12M** last round Oct 2021
- 40 [**Anything** Anything is an AI-powered software platform based in San Francisco that enables users to create production-ready mobile and web applications from natural-language prompts.](https://millionrounds.com/company/anything) Anything is an AI-powered software platform based in San Francisco that enables users to create production-ready mobile and web applications from natural-language prompts. *Founded* 1998 San Francisco, United States **$11M** last round Sept 2025
- 41 [**Sensible** Sensible is a software company based in San Francisco that specializes in document extraction and orchestration.](https://millionrounds.com/company/sensible) Sensible is a software company based in San Francisco that specializes in document extraction and orchestration. *Founded* 2020 San Francisco, United States **$10M** last round Aug 2023
- 42 [**Triumph** Triumph is a private company founded in 2020 and based in San Francisco, California.](https://millionrounds.com/company/triumph) Triumph is a private company founded in 2020 and based in San Francisco, California. *Founded* 2020 San Francisco, United States **$10M** last round May 2023
- 43 [**Stackbit** Stackbit is a visual editing pioneer for large enterprise webpages and applications.](https://millionrounds.com/company/stackbit) Stackbit is a visual editing pioneer for large enterprise webpages and applications. *Founded* 2019 San Francisco, United States **$10M** last round Nov 2020
- 44 [**CODE 27** CODE 27 develops software solutions focused on digital platforms, data systems, and custom technology applications.](https://millionrounds.com/company/code-27) CODE 27 develops software solutions focused on digital platforms, data systems, and custom technology applications. *Founded* - San Francisco, United States **$10M** last round Mar 2026
- 45 [**Here Not There Labs** Here Not There Labs develops a fully decentralized chat protocol for online communities.](https://millionrounds.com/company/here-not-there-labs) Here Not There Labs develops a fully decentralized chat protocol for online communities. *Founded* 2020 San Francisco, United States **$9.3M** last round Mar 2025
- 46 [**Flexpa** Flexpa allows digital health apps to connect to new patient access APIs.](https://millionrounds.com/company/flexpa) Flexpa allows digital health apps to connect to new patient access APIs. *Founded* 2021 San Francisco, United States **$8.6M** last round Nov 2022
- 47 [**Svix** Svix is an open-source webhooks-as-a-service platform founded in 2021, designed to help companies send, receive, and test webhooks efficiently and securely.](https://millionrounds.com/company/svix) Svix is an open-source webhooks-as-a-service platform founded in 2021, designed to help companies send, receive, and test webhooks efficiently and securely. *Founded* 2021 San Francisco, United States **$7.8M** last round Feb 2023
- 48 [**Apideck** Apideck is a Unified API platform that simplifies software integrations for developers and B2B SaaS companies.](https://millionrounds.com/company/apideck) Apideck is a Unified API platform that simplifies software integrations for developers and B2B SaaS companies. *Founded* 2020 San Francisco, United States **$7.5M** last round Nov 2024
- 49 [**CodeSee** CodeSee is a developer of cloud-based data visualization software to help users master the understanding of code.](https://millionrounds.com/company/codesee) CodeSee is a developer of cloud-based data visualization software to help users master the understanding of code. *Founded* 2019 San Francisco, United States **$7.0M** last round Jan 2022
- 50 [**Swamp Club** Swamp Club, officially known as Elder Swamp Club, Inc., is a software development company based in San Francisco, CA.](https://millionrounds.com/company/swamp-club) Swamp Club, officially known as Elder Swamp Club, Inc., is a software development company based in San Francisco, CA. *Founded* 2019 San Francisco, United States **$7.0M** last round Oct 2026

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back developer Tools startups in San Francisco in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More developer tools lists

[See all](https://millionrounds.com/top-lists?t=Developer%20Tools)

[*C* *F* *FA* **Developer Tools startups that raised in 2026** 89 companies · $12B in 2026](https://millionrounds.com/top-lists/developer-tools-startups-raised-2026)[*F* *S* *P* **Developer Tools startups founded in 2020** 56 companies · $3.2B](https://millionrounds.com/top-lists/developer-tools-startups-founded-2020)[*A* *T* *L* **Developer Tools startups founded in 2022** 43 companies · $5.2B](https://millionrounds.com/top-lists/developer-tools-startups-founded-2022)[*C* *OS* *A* **Developer Tools startups founded in 2021** 35 companies · $665M](https://millionrounds.com/top-lists/developer-tools-startups-founded-2021)[*P* *L* *C* **Developer Tools startups founded in 2023** 34 companies · $3.6B](https://millionrounds.com/top-lists/developer-tools-startups-founded-2023)[*M* *A* *H* **Developer Tools startups founded in 2018** 33 companies · $976M](https://millionrounds.com/top-lists/developer-tools-startups-founded-2018)[*T* *M* *FA* **Developer Tools startups in the United Kingdom** 30 companies · $836M](https://millionrounds.com/top-lists/developer-tools-startups-united-kingdom)[*S* *C* *S* **Developer Tools startups founded in 2019** 27 companies · $219M](https://millionrounds.com/top-lists/developer-tools-startups-founded-2019)

## More lists for San Francisco

[See all](https://millionrounds.com/top-lists?r=San%20Francisco)

[*O* *D* *TM* **Startups in San Francisco** 4,251 companies · $350B](https://millionrounds.com/top-lists/startups-san-francisco)[*O* *D* *TM* **AI startups in San Francisco** 1,276 companies · $321B](https://millionrounds.com/top-lists/ai-startups-san-francisco)[*A* *M* *BM* **IT Services startups in San Francisco** 404 companies · $3.9B](https://millionrounds.com/top-lists/it-services-startups-san-francisco)[*D* *C* *A* **Big Data & Analytics startups in San Francisco** 300 companies · $47B](https://millionrounds.com/top-lists/big-data-startups-san-francisco)[*AH* *CH* *Z* **Healthcare startups in San Francisco** 230 companies · $9.2B](https://millionrounds.com/top-lists/healthcare-startups-san-francisco)[*D* *L* *I* **Internet startups in San Francisco** 192 companies · $20B](https://millionrounds.com/top-lists/internet-startups-san-francisco)[*D* *A* *C* **Software startups in San Francisco** 189 companies · $48B](https://millionrounds.com/top-lists/software-startups-san-francisco)[*M* *AT* *CH* **Biotech startups in San Francisco** 181 companies · $12B](https://millionrounds.com/top-lists/biotech-startups-san-francisco)