Top Developer Tools Startups in San Francisco

YC F26Early stage

Digital health & care Developer tools

DrChrono

Acquired

What they do:

The essential platform for modern medical practices and patients.

Quick facts:

150 employeesYC W11Growth stageRemote

CoreOS

Acquired

What they do:

Open source tools of modern distributed systems.

Quick facts:

150 employeesYC S13Growth stage

Armory

Acquired

What they do:

Continuous Deployment at any scale, for all developers.

Quick facts:

90 employeesYC W17Growth stageRemote

Data & analytics Developer tools IoT & telecom

Memfault

Acquired

What they do:

First IoT reliability platform for debugging, monitoring, OTA updates

Quick facts:

80 employeesYC W19Growth stage

Bitnami

Acquired

What they do:

The App Store for Server Software

Quick facts:

75 employeesYC W13Growth stage

Applied AI & ML Data & analytics Developer tools Cloud & infrastructure

Pachyderm

Acquired

What they do:

Data Versioning, Data Pipelines, and Data Lineage

Quick facts:

60 employeesYC W15Growth stage

Data & analytics Developer tools Cloud & infrastructure

Compose

Acquired

What they do:

We make it easy to run databases. PostgreSQL, Redis, MongoDB,…

Quick facts:

51 employeesYC S11Growth stage

Mailgun

Acquired

What they do:

Email API service.

Quick facts:

51 employeesYC W11Early stage

Swiftype

Acquired

What they do:

Smart search for the modern team.

Quick facts:

50 employeesYC W12Early stageRemote

Data & analytics Developer tools Cloud & infrastructure

Citus Data

Acquired

What they do:

Real-time. Big data. PostgreSQL

Quick facts:

45 employeesYC S11Growth stage

Applied AI & ML Developer tools Cloud & infrastructure Social & community

Replicate

Acquired

What they do:

Run machine learning models in the cloud

Quick facts:

36 employeesYC W20Growth stage

Developer tools Social & community

Courier

Acquired

What they do:

The fastest way for developers to build notifications for their app.

Quick facts:

35 employeesYC S19Early stage

Applied AI & ML Developer tools

PlayAI

Acquired

What they do:

Our mission is to make Voice AI accessible and useful to all.

Quick facts:

35 employeesYC W23Early stage

Uiflow

Acquired

What they do:

No-code platform for enterprise software companies

Quick facts:

21 employeesYC W21Early stageRemote

Data & analytics Developer tools Sales & marketing

Breadcrumbs.io

Acquired

What they do:

No-code scoring engine identifying your most engaged upsell opps

Quick facts:

20 employeesYC S21Early stageRemote

Applied AI & ML Developer tools Productivity & automation

Onyx

Acquired

What they do:

Open Source AI Chat

Quick facts:

20 employeesYC W24Early stage

Requestly

Acquired

What they do:

Open-Source Postman alternative

Quick facts:

19 employeesYC W22Early stageRemote

Data & analytics Developer tools

PopSQL

Acquired

What they do:

SQL editor for teams

Quick facts:

15 employeesYC S19Growth stageRemote

Bun

Acquired

What they do:

Bun is an incredibly fast all-in-one JavaScript toolkit

Quick facts:

13 employeesYC S19Growth stage

Applied AI & ML AI agents & assistants Developer tools

DeepSource

Acquired

What they do:

Unified DevSecOps platform, helping developers ship good code.

Quick facts:

12 employeesYC W20Early stage

Applied AI & ML Developer tools Cloud & infrastructure

Aquarium Learning

Acquired

What they do:

We help ML teams improve their models by improving their datasets

Quick facts:

12 employeesYC S20Early stageRemote

Cloud & infrastructure Applied AI & ML Developer tools

Blaxel

Acquired

What they do:

The infrastructure for autonomous agents

Quick facts:

12 employeesYC X25Early stage

Developer tools Cloud & infrastructure Media & entertainment

Zencoder

Acquired

What they do:

Video Encoding API, Open source video player (video.js)

Quick facts:

11 employeesYC W10Early stage

RethinkDB

Acquired

What they do:

The open source database for the realtime web.

Quick facts:

11 employeesYC S09Early stage

Logistics & supply chain Developer tools

Rickshaw

Acquired

What they do:

Same day local delivery, via API. Currently operating in SF.

Quick facts:

11 employeesYC W14Early stage

Developer tools Applied AI & ML

Wit.ai

Acquired

What they do:

Natural Language for Developers --Wit is an API that makes it easy…

Quick facts:

11 employeesYC W14Early stage

Data & analytics Developer tools Cloud & infrastructure Productivity & automation

Cloudthread

Acquired

What they do:

Eliminate Cloud Waste. Attribute and Track Savings. Engage Engineers.

Quick facts:

8 employeesYC S21Early stage

Applied AI & ML Developer tools Productivity & automation

mutable.ai

Acquired

What they do:

Artificially Intelligent Corporations

Quick facts:

7 employeesYC W22Early stageRemote

Applied AI & ML Developer tools Cloud & infrastructure

Mocha

Acquired

What they do:

Build and publish web apps in minutes. No coding required.

Quick facts:

7 employeesYC S23Early stage

Developer tools Applied AI & ML Cloud & infrastructure

Trieve

Acquired

What they do:

All-in-one API for search, RAG, & recommendations

Quick facts:

7 employeesYC W24Early stage

Productivity & automation Developer tools

Slapdash

Acquired

What they do:

Work at the speed of thought

Quick facts:

6 employeesYC W19Early stageRemote

Data & analytics Developer tools Cloud & infrastructure

Hydra

Acquired

What they do:

Serverless Analytics on Postgres

Quick facts:

6 employeesYC W22Early stageRemote

HR & recruiting Social & community Developer tools Media & entertainment

Taro

Acquired

What they do:

Help high-growth tech companies hire strong engineers

Quick facts:

6 employeesYC S22Early stage

Applied AI & ML Developer tools IoT & telecom

EzDubs

Acquired

What they do:

Real-time speech translation

Quick facts:

6 employeesYC W23Early stage

Fig

Acquired

What they do:

Fig adds visual apps, shortcuts, and autocomplete to your terminal.

Quick facts:

5 employeesYC S20Early stage