All Rankings

Top 100 Developer Tools Startups in San Francisco 2026

The most-funded developer tools, DevOps and open-source startups headquartered in San Francisco, ranked by total capital raised.

Known total funding for 100 of 100 ranked companies: $35.3B.

Showing top 100 matching companies · Ranked by total funding raised

Use company data through the API.
Example request
curl "https://indexed.vc/api/v1/companies?industries=Developer+Tools,DevOps,Open+Source&countries=United+States&cities=San+Francisco&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"

The API has no company type filter, so public companies can appear; this list counts private companies only.

The API cannot leave out companies whose latest round is a grant, private equity or debt financing; this list does.

Data from Indexed.vcUpdated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant, Private Equity, Debt Financing are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

1
Cognition

AI software engineering company building Devin, an autonomous AI coding agent capable of planning...

San Francisco, United States51–200Artificial Intelligence, Developer Tools
Series ETotal funding$4.1BSep 2026
2
Baseten

Baseten provides an inference platform that lets AI teams deploy, operate, and scale custom and o...

San Francisco, United States51–200Artificial Intelligence, Cloud
Series FTotal funding$2.1BJun 2026
3
Scale AI

Scale AI provides high-quality data and full-stack technologies that power the world's leading AI...

San Francisco, United States201–500Artificial Intelligence, Data & Analytics
Series G+Total funding$1.6BJun 2025
4
Sierra

Sierra provides an enterprise conversational AI platform that lets businesses build trustworthy a...

San Francisco, United States51–200Artificial Intelligence, Conversational AI
Venture RoundTotal funding$1.6BMay 2026
5
Plaid

Plaid provides technology that lets people securely connect financial accounts to the apps and se...

San Francisco, United States1001–5000Developer Tools, Fintech
Series ETotal funding$1.3BApr 2025
6
Together AI

Together AI provides a full-stack platform for production AI, including inference, fine-tuning, a...

San Francisco, United States201–500Artificial Intelligence, Cloud
Series CTotal funding$1.2BJul 2026
7
Supabase

Supabase provides a Postgres development platform with authentication, APIs, Edge Functions, real...

San Francisco, United States51–200Cloud, Data & Analytics
Venture RoundTotal funding$1.1BOct 2026
8
ClickHouse

ClickHouse builds an open-source, column-oriented database that delivers real-time SQL analytics ...

San Francisco, United States201–500Analytics, Cloud
Series DTotal funding$1.1BJan 2026
9
Replit

Replit provides an agentic software creation platform that helps people turn ideas into working a...

San Francisco, United States51–200Developer Tools, Artificial Intelligence
Series DTotal funding$1.0BMar 2026
10
Vercel

Vercel provides developer tools and cloud infrastructure for teams to build, scale, and secure fa...

San Francisco, United States501–1000Cloud, Developer Tools
Series FTotal funding$863.0MSep 2025
11
Automattic

Simplenote (simplenote.com) and the Simperium platform for syncing…

San Francisco, United States1–10Media, SaaS
Series ETotal funding$778.6MFeb 2021
12
Poolside

Poolside develops large language models specifically designed for software engineering, providing...

San Francisco, United States51–200Artificial Intelligence, Developer Tools
Series BTotal funding$752.0MOct 2024
13
Sysdig

Sysdig provides real-time cloud security powered by open source, helping teams protect containers...

San Francisco, United States201–500Cloud, Cybersecurity
Series G+Total funding$716.5MDec 2021
14
Fal

fal is the leading platform for generative media, offering cutting-edge inference solutions for A...

San Francisco, United States11–50Artificial Intelligence, Infrastructure
Venture RoundTotal funding$614.0MMar 2026
15
Parallel

Parallel provides web-search and research APIs that give AI agents current, cited information for...

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Venture RoundTotal funding$608.9MMay 2026
16
Harness

AI-powered software delivery platform providing CI/CD, feature flags, cloud cost management, and ...

San Francisco, United States1001–5000Developer Tools, SaaS
Series ETotal funding$605.0MDec 2025
17
Coralogix

Full-stack observability platform for logs, metrics, and traces with AI-powered analytics and no ...

San Francisco, United States201–500Artificial Intelligence, Cloud
Series FTotal funding$547.0MJun 2026
18
Horizon3.ai

Horizon3.ai is a leading provider of autonomous security solutions and the creator of NodeZero, a...

San Francisco, United States201–500Cybersecurity, Artificial Intelligence
Series ETotal funding$510.0MJul 2026
19
Magic

Magic is training frontier models to build an AI software engineer that feels like a co-worker.

San Francisco, United States51–200Artificial Intelligence, Developer Tools
Series CTotal funding$465.0MAug 2024
20
Decart

Decart is a frontier AI lab that builds real-time generative video models and the infrastructure ...

San Francisco, United States51–200Developer Tools, Generative AI
Series BTotal funding$453.0MMay 2026
21
Postman

Postman provides a unified API platform for teams to design, test, document, distribute, monitor,...

San Francisco, United States501–1000Developer Tools, SaaS
Series DTotal funding$432.0MAug 2021
22
Factory

Factory delivers an agent-native autonomy stack for enterprise engineering teams, using AI agents...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Venture RoundTotal funding$420.0MSep 2026
23
Blockdaemon

Blockdaemon is the provider of a blockchain nodes as a service platform designed to empower busin...

San Francisco, United States51–200Crypto & Web3, Developer Tools
Series CTotal funding$402.0MJan 2022
24
Gimlet Labs

Gimlet Labs is an applied research lab that builds high-performance AI systems, including serverl...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Series BTotal funding$392.0MSep 2026
25
Webflow

Webflow is an AI-native platform that lets businesses design, publish, manage, and optimize web e...

San Francisco, United States501–1000Design Tools, Developer Tools
Series CTotal funding$333.5MMar 2022