# Developer Tools Market Map San Francisco 2026: 54 Startups in 5 Segments > 54 developer tools startups in San Francisco, mapped in 5 segments: APIs and backend, CI/CD and DevOps and testing and QA and more. Source: https://millionrounds.com/market-maps/developer-tools-san-francisco-market-map (Millionrounds; every figure on the page links to its filing or article) ## APIs and backend 24 - [Nylas](https://millionrounds.com/company/nylas) - [Convex](https://millionrounds.com/company/convex) - [Parallel Web Systems](https://millionrounds.com/company/parallel-web-systems) - [Stytch](https://millionrounds.com/company/stytch) - [Mintlify](https://millionrounds.com/company/mintlify) - [Courier](https://millionrounds.com/company/courier) - [Salsa](https://millionrounds.com/company/salsa) - [Decodable](https://millionrounds.com/company/decodable) - [Resend](https://millionrounds.com/company/resend) - [Triumph](https://millionrounds.com/company/triumph) - [Here Not There Labs](https://millionrounds.com/company/here-not-there-labs) - [ReadMe](https://millionrounds.com/company/readme) - [Flexpa](https://millionrounds.com/company/flexpa) - [Apideck](https://millionrounds.com/company/apideck) - [Grafbase](https://millionrounds.com/company/grafbase) - [KLIPY](https://millionrounds.com/company/klipy) - [Mentum](https://millionrounds.com/company/mentum) - [ZeroEntropy](https://millionrounds.com/company/zeroentropy) - [Rowy](https://millionrounds.com/company/rowy) - [Metriport](https://millionrounds.com/company/metriport) - [Scrapybara](https://millionrounds.com/company/scrapybara) - [Mirio](https://millionrounds.com/company/mirio) - [Mercoa](https://millionrounds.com/company/mercoa) - [*P* Pelm](https://millionrounds.com/company/pelm) ## CI/CD and DevOps 12 - [CloudFlare](https://millionrounds.com/company/cloudflare) - [Apollo](https://millionrounds.com/company/apollo) - [Blacksmith](https://millionrounds.com/company/blacksmith) - [Anyscale](https://millionrounds.com/company/anyscale) - [Render](https://millionrounds.com/company/render) - [CircleCI](https://millionrounds.com/company/circleci) - [Webflow](https://millionrounds.com/company/webflow) - [TrustArc](https://millionrounds.com/company/trustarc) - [Infisical](https://millionrounds.com/company/infisical) - [Armory](https://millionrounds.com/company/armory) - [Kosli](https://millionrounds.com/company/kosli) - [SRE.ai](https://millionrounds.com/company/sre-ai) ## Testing and QA 7 - [Sauce Labs](https://millionrounds.com/company/sauce-labs) - [PostHog](https://millionrounds.com/company/posthog) - [Namespace](https://millionrounds.com/company/namespace) - [ProdPerfect](https://millionrounds.com/company/prodperfect) - [Autify](https://millionrounds.com/company/autify) - [Momentic](https://millionrounds.com/company/momentic) - [Svix](https://millionrounds.com/company/svix) ## Observability and monitoring 6 - [Sentry](https://millionrounds.com/company/sentry) - [Netdata](https://millionrounds.com/company/netdata) - [Langtrace AI (Scale3 Labs)](https://millionrounds.com/company/langtrace-ai-scale3-labs) - [Autumn Labs](https://millionrounds.com/company/autumn-labs) - [Sift Dev](https://millionrounds.com/company/sift-dev) - [Vantafold](https://millionrounds.com/company/vantafold) ## Code collaboration 5 - [CodeRabbit](https://millionrounds.com/company/coderabbit) - [Greptile](https://millionrounds.com/company/greptile) - [CodeAnt AI](https://millionrounds.com/company/codeant-ai) - [Promptless](https://millionrounds.com/company/promptless) - [Krunch](https://millionrounds.com/company/krunch) ## Segment by segment ### APIs and backend 24 startups · $658M raised - [**Nylas**](https://millionrounds.com/company/nylas) Nylas is a San Francisco-based Communication Platform-as-a-Service (CPaaS) company founded in 2013. United States $148M - [**Convex**](https://millionrounds.com/company/convex) Convex is a San Francisco-based company that offers an open-source reactive backend platform designed for web developers. United States $120M - [**Parallel Web Systems**](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. United States $100M - [**Stytch**](https://millionrounds.com/company/stytch) Stytch improves security and user experience with passwordless authentication. United States $90M - [**Mintlify**](https://millionrounds.com/company/mintlify) Mintlify is an AI-native documentation platform designed to help companies create, host, and manage developer-facing documentation. United States $37M - [**Courier**](https://millionrounds.com/company/courier) Courier is a notification infrastructure platform designed to enhance product-to-user communication. United States $35M - [**Salsa**](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. United States $20M - [**Decodable**](https://millionrounds.com/company/decodable) Decodable is a serverless data integration and engineering platform for streaming data. United States $20M ### CI/CD and DevOps 12 startups · $1.3B raised - [**CloudFlare**](https://millionrounds.com/company/cloudflare) Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online. United States $332M - [**Apollo**](https://millionrounds.com/company/apollo) Apollo helps engineering teams build unified graphs to accelerate application development and deliver better, more cohesive experiences. United States $242M - [**Blacksmith**](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. United States $131M - [**Anyscale**](https://millionrounds.com/company/anyscale) Anyscale accelerates the development and productionization of any AI app, on any cloud, at any scale. United States $120M - [**Render**](https://millionrounds.com/company/render) Render is a cloud infrastructure platform based in San Francisco, California, founded in 2018 by CEO Anurag Goel. United States $102M - [**CircleCI**](https://millionrounds.com/company/circleci) CircleCI is a software company based in San Francisco, specializing in continuous integration and continuous delivery (CI/CD) solutions. United States $95M - [**Webflow**](https://millionrounds.com/company/webflow) Design, build, optimize, and rank in AI search, all in Webflow. United States $74M - [**TrustArc**](https://millionrounds.com/company/trustarc) TrustArc is a privacy compliance technology company that offers software to help corporations update their privacy management processes. United States $70M ### Testing and QA 7 startups · $397M raised - [**Sauce Labs**](https://millionrounds.com/company/sauce-labs) Sauce Labs is a cloud-based software testing company based in San Francisco, California. United States $156M - [**PostHog**](https://millionrounds.com/company/posthog) PostHog is a San Francisco-based company founded in 2020 by James Hawkins and Tim Glaser. United States $145M - [**Namespace**](https://millionrounds.com/company/namespace) Namespace is a developer infrastructure company that enhances CI pipelines and developer workflows with high-performance build and United States $42M - [**ProdPerfect**](https://millionrounds.com/company/prodperfect) ProdPerfect is an AI-powered quality assurance (QA) testing platform that automates the creation and maintenance of end-to-end (E2 United States $16M - [**Autify**](https://millionrounds.com/company/autify) Autify Inc. United States $16M - [**Momentic**](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, a United States $15M - [**Svix**](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 United States $7.8M ### Observability and monitoring 6 startups · $179M raised - [**Sentry**](https://millionrounds.com/company/sentry) Sentry is a developer-first software company that specializes in open-source error tracking and application monitoring. United States $155M - [**Netdata**](https://millionrounds.com/company/netdata) Netdata is a real-time observability platform that specializes in monitoring infrastructure and applications. United States $17M - [**Langtrace AI (Scale3 Labs)**](https://millionrounds.com/company/langtrace-ai-scale3-labs) Langtrace AI is an open source LLM application observability and evaluations platform United States $5.3M - [**Autumn Labs**](https://millionrounds.com/company/autumn-labs) Autumn Labs is a software company founded in 2023 that specializes in manufacturing intelligence. United States $500K - [**Sift Dev**](https://millionrounds.com/company/sift-dev) Sift Dev minimizes logging volume, empowering developers to take control back effectively. United States $500K - [**Vantafold**](https://millionrounds.com/company/vantafold) The unified inference and orchestration layer for production AI. United States $500K ### Code collaboration 5 startups · $240M raised - [**CodeRabbit**](https://millionrounds.com/company/coderabbit) CodeRabbit is an AI-powered platform that automates code reviews for software development teams. United States $203M - [**Greptile**](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 a United States $34M - [**CodeAnt AI**](https://millionrounds.com/company/codeant-ai) CodeAnt AI is the agentic code security platform, combining defense and offense in a single self-learning engine. United States $2.0M - [**Promptless**](https://millionrounds.com/company/promptless) Promptless is a software development company based in San Francisco, founded in 2024 by Prithvi and Frances. United States $500K - [**Krunch**](https://millionrounds.com/company/krunch) Krunch helps developers drive more engagements to their Github repo. United States $275K **How this map is made.** Every startup here has raised money in rounds we track, and is based in San Francisco. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in developer tools, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026. ## More market maps [All maps](https://millionrounds.com/market-maps) [Market map **Developer tools market map** 271 startups · 7 segments · $12B](https://millionrounds.com/market-maps/developer-tools-market-map)[Investors map **Who invests in developer tools** 190 investors · 6 segments](https://millionrounds.com/market-maps/developer-tools-investors-map)[Market map · United States **Developer tools market map: United States** 180 startups · 6 segments · $10B](https://millionrounds.com/market-maps/developer-tools-united-states-market-map)[New wave **New developer tools startups, founded 2020 on** 81 startups · 5 segments · $3.0B](https://millionrounds.com/market-maps/new-developer-tools-startups-market-map)[Market map · Europe **Developer tools market map: Europe** 47 startups · 4 segments · $1.0B](https://millionrounds.com/market-maps/developer-tools-europe-market-map)[Raised in 2026 **Developer tools startups that raised in 2026** 29 startups · 4 segments · $2.7B](https://millionrounds.com/market-maps/developer-tools-raised-2026-market-map) ## Who backs developer tools? Open any company for its rounds and investors, or search the investors behind these startups in the app, with filters, lists and exports. [Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[Top lists](https://millionrounds.com/top-lists)