
CoreOS
What they do:
Open source tools of modern distributed systems.
Quick facts:
HQ: San Francisco, CA, United States
This list has 388 startups and was last updated on Oct 15, 2026. 107 of them are hiring right now. Biggest hubs: San Francisco (302), New York (44), and Los Angeles (8). Largest teams: Fivetran, PagerDuty, and Firebase. Latest round: Supabase raised $150M (Oct 2, 2026).

What they do:
Open source tools of modern distributed systems.
Quick facts:
HQ: San Francisco, CA, United States
Quick facts:
HQ: New York, NY, United States
Funding:
$4.71M · Equity · May 2026
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HQ: Hockessin, DE, United States
Funding:
$3.87M · Equity · Apr 2026
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HQ: Fort Worth, TX, United States
Funding:
$2.62M · Equity · Jan 2026
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HQ: Bend, OR, United States
Funding:
$1.77M · Options · Jan 2026

What they do:
Build and grow iOS, Android, and Web apps.
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HQ: San Francisco, CA, United States

What they do:
Continuous Deployment at any scale, for all developers.
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HQ: San Francisco, CA, United States

What they do:
The App Store for Server Software
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HQ: San Francisco, CA, United States

What they do:
Data Versioning, Data Pipelines, and Data Lineage
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HQ: San Francisco, CA, United States

What they do:
Better data structures = no DB.
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HQ: San Francisco, CA, United States
What they do:
We make it easy to run databases. PostgreSQL, Redis, MongoDB,…
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HQ: San Francisco, CA, United States
What they do:
iOS porting
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HQ: San Francisco, CA, United States
What they do:
NoSQL Database-aaS. Acquired by IBM in 2014. Now IBM Cloud Data…
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HQ: Boston, MA, United States

What they do:
Clustrix provides the leading scale-out relational database engineered for the cloud or data center. ClustrixDB is a drop-in replacement for MySQL and an…
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HQ: San Francisco, CA, United States

What they do:
Real-time. Big data. PostgreSQL
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HQ: San Francisco, CA, United States

What they do:
Secure Enterprise Collaboration.
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HQ: San Francisco, CA, United States

What they do:
Run machine learning models in the cloud
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HQ: San Francisco, CA, United States

What they do:
The No Infrastructure Platform as a Service
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HQ: New York, NY, United States

What they do:
Bun is an incredibly fast all-in-one JavaScript toolkit
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HQ: San Francisco, CA, United States

What they do:
Infrastructure to build reliable agents
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HQ: San Francisco, CA, United States

What they do:
We help ML teams improve their models by improving their datasets
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HQ: San Francisco, CA, United States

What they do:
The infrastructure for autonomous agents
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HQ: San Francisco, CA, United States

What they do:
Video Encoding API, Open source video player (video.js)
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HQ: San Francisco, CA, United States

What they do:
The open source database for the realtime web.
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HQ: San Francisco, CA, United States
What they do:
Cloudkick is system to manage cloud servers, such as the Rackspace Cloud and Amazon's EC2. Cloudkick provides an easy to use monitoring/alerting solution to…
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HQ: San Francisco, CA, United States

What they do:
P2P delivery network that enables high quality video streaming
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HQ: San Francisco, CA, United States

What they do:
Mobile application prototyping. Now part of Google.
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HQ: San Francisco, CA, United States

What they do:
Eliminate Cloud Waste. Attribute and Track Savings. Engage Engineers.
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HQ: San Francisco, CA, United States

What they do:
The open source, fullstack monitoring platform: stop guessing why…
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HQ: Seattle, WA, United States

What they do:
Help media companies make quality live video. [Acquired by Facebook]
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HQ: New York, NY, United States

What they do:
Build and publish web apps in minutes. No coding required.
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HQ: San Francisco, CA, United States

What they do:
All-in-one API for search, RAG, & recommendations
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HQ: San Francisco, CA, United States

What they do:
Turn your data into a deployed computer vision model
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HQ: San Francisco, CA, United States

What they do:
Serverless Analytics on Postgres
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HQ: San Francisco, CA, United States

What they do:
Cross-chain routing + trading APIs. One-click transactions with any…
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HQ: New York, NY, United States

What they do:
Artificial Specialized Intelligence
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HQ: San Francisco, CA, United States