Pyroscope
Acquired
What they do:
Open source continuous profiling software to debug performance issues
Quick facts:
HQ: San Francisco, CA, United States
Top Developer Tools Startups in San Francisco
This list has 441 startups and was last updated on Oct 15, 2026. 129 of them are hiring right now. Largest teams: GitLab, PagerDuty, and Algolia. Latest round: Supabase raised $150M (Oct 2, 2026).
441 startupsPage 11 of 13
Satsuma
Acquired
What they do:
Reliable blockchain indexing & querying for web3 engineering teams.
Quick facts:
HQ: San Francisco, CA, United States
Helicone
Acquired
What they do:
LLM Observability for Developers
Quick facts:
HQ: San Francisco, CA, United States
Cloudstitch
Acquired
What they do:
Power your website with Google Spreadsheets.Acquired by Instabase…
Quick facts:
HQ: San Francisco, CA, United States
FeaturePeek
Acquired
What they do:
Supercharged deployment previews for all.
Quick facts:
HQ: San Francisco, CA, United States
Okay
Acquired
What they do:
Dashboards and actionable insights for high-performing engineering…
Quick facts:
HQ: San Francisco, CA, United States
Instant
Acquired
What they do:
The best backend for AI-coded apps
Quick facts:
HQ: San Francisco, CA, United States
HyperDX
Acquired
What they do:
Open-source, dev-friendly observability.
Quick facts:
HQ: San Francisco, CA, United States
Laudspeaker
Acquired
What they do:
Open source mobile marketing platform. Alternative to appcues /…
Quick facts:
HQ: San Francisco, CA, United States
Neosync
Acquired
What they do:
Neosync is an open-source anonymization and synthetic data platform.
Quick facts:
HQ: San Francisco, CA, United States
Vocode
Acquired
What they do:
Open source Voice AI
Quick facts:
HQ: San Francisco, CA, United States
TensorPool
Acquired
What they do:
Vercel For GPUs
Quick facts:
HQ: San Francisco, CA, United States
SlidePay
Acquired
What they do:
Banking and Payment Platform APIs. Exited October 2014.
Quick facts:
HQ: San Francisco, CA, United States
Clutch
Acquired
What they do:
An easy to integrate library for native iOS applications designed to…
Quick facts:
HQ: San Francisco, CA, United States
Opsolutely
Acquired
What they do:
Automated deployments for software teams.
Quick facts:
HQ: San Francisco, CA, United States
Scaphold.io
Acquired
What they do:
The Universal API
Quick facts:
HQ: San Francisco, CA, United States
Escher Reality
Acquired
What they do:
The backend for Augmented Reality.
Quick facts:
HQ: San Francisco, CA, United States
OneGraph
Acquired
What they do:
GraphQL API to connect all of the internet's APIs. Join us at Netlify!
Quick facts:
HQ: San Francisco, CA, United States
Nestybox
Acquired
What they do:
Enables Linux containers to act as super fast & efficient VMs
Quick facts:
HQ: San Francisco, CA, United States
Arroyo
Acquired
What they do:
Cloud-native stream processing
Quick facts:
HQ: San Francisco, CA, United States
DAGWorks Inc.
Acquired
What they do:
Open source tools & services for reliable AI Agents & AI Applications
Quick facts:
HQ: San Francisco, CA, United States
Standard Treasury
Acquired
What they do:
Banking APIs; acquired by Silicon Valley Bank in August 2015
Quick facts:
HQ: San Francisco, CA, United States
YC S13Early stage
Redspread
Acquired
What they do:
Version control for software environments
Quick facts:
HQ: San Francisco, CA, United States
YC W16Early stage
SimpleHash
Acquired
What they do:
Multi-chain token data platform
Quick facts:
HQ: San Francisco, CA, United States
YC W22Early stage
Continue
Acquired
What they do:
Pioneering open-source coding agent
Quick facts:
HQ: San Francisco, CA, United States
YC S23Early stage
Make School
Shut down
What they do:
Make School is redesigning college for the 21st century. Students…
Quick facts:
HQ: San Francisco, CA, United States
AXAR AI
Shut down
What they do:
Multi-agent orchestration platform
Quick facts:
HQ: San Francisco, CA, United States
Wingback
Shut down
What they do:
Wingback provides tools and APIs for SaaS pricing and packaging.
Quick facts:
HQ: San Francisco, CA, United States
Neptune.io
Shut down
What they do:
A self-healing platform to enrich and fix server alerts automatically
Quick facts:
HQ: San Francisco, CA, United States
Standard Cyborg
Shut down
What they do:
Buid, test and deploy perception applications
Quick facts:
HQ: San Francisco, CA, United States
Dropbase
Shut down
What they do:
AI app builder for internal tools. Build back-office software faster…
Quick facts:
HQ: San Francisco, CA, United States
Squire.ai
Shut down
What they do:
Never code alone.
Quick facts:
HQ: San Francisco, CA, United States
UtilityScore (formerly Pando)
Shut down
What they do:
API that estimates utility costs for 100M+ homes.
Quick facts:
HQ: San Francisco, CA, United States
Xkit
Shut down
What they do:
Universal CRM integration for B2B SaaS apps
Quick facts:
HQ: San Francisco, CA, United States
Light Table/Eve
Shut down
What they do:
Eve is our way of bringing the power of computation to everyone, not…
Quick facts:
HQ: San Francisco, CA, United States
Tipe
Shut down
What they do:
Open-source, customizable, headless CMS
Quick facts:
HQ: San Francisco, CA, United States