Market map · San Francisco
Developer tools market map: San Francisco
54 developer tools startups based in San Francisco that have raised money in rounds we track, placed in 5 segments by what each says it does. Together they have raised $2.8B.
54startups on the map
5segments
$2.8Braised between them
CI/CD and DevOpsmost funded segment
Funding by segment
- APIs and backend$658M24
- CI/CD and DevOps$1.3B12
- Testing and QA$397M7
- Observability and monitoring$179M6
- Code collaboration$240M5
Where they are based
- United States54$2.8B
United StatesFounded
5Earlier
12
13
114
115
316
117
318
319
420
921
722
523
324
25
26
9 without a founding year on record.
Total raised
- Under $1M9
- $1M to $10M14
- $10M to $50M14
- $50M to $250M16
- $250M to $1B1
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
45 of 54 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States54
Startups by country, 1 country in all.
Segment by segment
APIs and backend
24 startups · $658M raised
NylasNylas is a San Francisco-based Communication Platform-as-a-Service (CPaaS) company founded in 2013.United States$148M
ConvexConvex is a San Francisco-based company that offers an open-source reactive backend platform designed for web developers.United States$120M
Parallel Web SystemsParallel Web Systems is an AI infrastructure company focused on enhancing how AI agents interact with the web.United States$100M
StytchStytch improves security and user experience with passwordless authentication.United States$90M
MintlifyMintlify is an AI-native documentation platform designed to help companies create, host, and manage developer-facing documentation.United States$37M
CourierCourier is a notification infrastructure platform designed to enhance product-to-user communication.United States$35M
SalsaSalsa, founded in 2021 by Juan Barroso and John Kramer, is an embedded payroll provider based in San Francisco, California.United States$20M
DecodableDecodable is a serverless data integration and engineering platform for streaming data.United States$20M
CI/CD and DevOps
12 startups · $1.3B raised
CloudFlareCloudflare is a web performance and security company that provides online services to protect and accelerate websites online.United States$332M
ApolloApollo helps engineering teams build unified graphs to accelerate application development and deliver better, more cohesive experiences.United States$242M
BlacksmithBlacksmith is a managed Continuous Integration (CI) cloud service that serves as a drop-in replacement for GitHub Actions runners.United States$131M
AnyscaleAnyscale accelerates the development and productionization of any AI app, on any cloud, at any scale.United States$120M
RenderRender is a cloud infrastructure platform based in San Francisco, California, founded in 2018 by CEO Anurag Goel.United States$102M
CircleCICircleCI is a software company based in San Francisco, specializing in continuous integration and continuous delivery (CI/CD) solutions.United States$95M
WebflowDesign, build, optimize, and rank in AI search, all in Webflow.United States$74M
TrustArcTrustArc 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 LabsSauce Labs is a cloud-based software testing company based in San Francisco, California.United States$156M
PostHogPostHog is a San Francisco-based company founded in 2020 by James Hawkins and Tim Glaser.United States$145M
NamespaceNamespace is a developer infrastructure company that enhances CI pipelines and developer workflows with high-performance build andUnited States$42M
ProdPerfectProdPerfect is an AI-powered quality assurance (QA) testing platform that automates the creation and maintenance of end-to-end (E2United States$16M
AutifyAutify Inc.United States$16M
MomenticMomentic is an AI-native platform designed for engineering teams to create, execute, and maintain end-to-end tests for web, iOS, aUnited States$15M
SvixSvix is an open-source webhooks-as-a-service platform founded in 2021, designed to help companies send, receive, and test webhooksUnited States$7.8M
Observability and monitoring
6 startups · $179M raised
SentrySentry is a developer-first software company that specializes in open-source error tracking and application monitoring.United States$155M
NetdataNetdata is a real-time observability platform that specializes in monitoring infrastructure and applications.United States$17M
Langtrace AI (Scale3 Labs)Langtrace AI is an open source LLM application observability and evaluations platformUnited States$5.3M
Autumn LabsAutumn Labs is a software company founded in 2023 that specializes in manufacturing intelligence.United States$500K
Sift DevSift Dev minimizes logging volume, empowering developers to take control back effectively.United States$500K
VantafoldThe unified inference and orchestration layer for production AI.United States$500K
Code collaboration
5 startups · $240M raised
CodeRabbitCodeRabbit is an AI-powered platform that automates code reviews for software development teams.United States$203M
GreptileGreptile is a San Francisco-based AI company that specializes in enhancing software development through its AI code review agent aUnited States$34M
CodeAnt AICodeAnt AI is the agentic code security platform, combining defense and offense in a single self-learning engine.United States$2.0M
PromptlessPromptless is a software development company based in San Francisco, founded in 2024 by Prithvi and Frances.United States$500K
KrunchKrunch 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.
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