← Startups in New York City

New York City Open Source 14 startups

"Open Source" Startups in New York City

Every active New York City startup we index that carries the "Open Source" tag.

All startups in New York City → "Open Source" startups nationwide →

Last updated

2026-09-02

Hiring right now 14% 2 of 14

Open roles 8

City New York City

Our index currently lists 14 tech startups in New York City tagged "Open Source" — a city×tag slice of the live directory, not every "Open Source" company nationwide and not every New York City startup regardless of tag. 14% of this slice is hiring right now (2 of 14). Apply links on each profile go to the company's own site; we don't act as a middleman. "Open Source" startups in New York City include authzed, Beam, CodeStream, Corsair, and Fern. Categories represented here: AI / ML, Dev Tools, and Infrastructure. YC batches in this slice: W24, S20, W21, and W22, among others. Widen the view anytime: all New York City startups at /startups/location/new-york-city, or every "Open Source" company nationwide at /startups/tag/open-source.

Authorization Infrastructure securing AI at OpenAI, Zoom, & more

Artificial IntelligenceDeveloper ToolsSecurity

AI-Native Cloud Platform

Artificial IntelligenceDeveloper ToolsOpen Source

CodeStream is a Developer Collaboration Platform designed to…

Developer ToolsSaaSCollaboration

Connect your users to their apps

Developer ToolsB2BWorkflow Automation

Instantly offer SDKs and API Docs

Developer ToolsSaaSB2B

The orchestration platform for teams who ship.

Developer ToolsOpen SourceInfrastructure

The platform for building and operating time series applications.

AnalyticsOpen SourceTime Series

Open-Source CDP (acquired by Helium Ventures)

SaaSB2BOpen Source

Cursor for data analysis

Developer ToolsAnalyticsOpen Source

nCompass Technologies

Optimize performance on GPUs - 10x faster

Artificial IntelligenceDeveloper ToolsHardware

Open-source, self-hosted, session replay tool for developers.

Developer ToolsSaaSOpen Source

Making APIs Developer-friendly

Developer ToolsOpen Source

Identity-aware VPN and proxy for remote access to anything, anywhere.

Open SourceEnterprise SoftwareNetworks

The open source AI-native security automation platform

Artificial IntelligenceSecurityOpen Source

Weekly digest

A weekly digest pulled from the 5,200+ startups and 6,700+ jobs we track. No fluff, no resend.

Double opt-in. Unsubscribe anytime.

High-performance time series database

Developer ToolsAnalyticsOpen Source

Open-source time-series data analytics extension for PostgreSQL

Open SourceTime Series

Cloud platform for coding agents

Artificial IntelligenceDeveloper ToolsMachine Learning

The open source Looker alternative

Developer ToolsB2BAnalytics

All startups in New York CityEvery tag "Open Source" startups nationwideEvery city "B2B" startups in New York City144 startups "AI" startups in New York City132 startups "Artificial Intelligence" startups in New York City126 startups "SaaS" startups in New York City125 startups "Fintech" startups in New York City99 startups "Open Source" startups in San Francisco90 startups "Developer Tools" startups in New York City46 startups "Healthcare" startups in New York City42 startups

Frequently asked questions

How many "Open Source" startups are in New York City?

Our index currently tracks 14 active tech startups in New York City tagged "Open Source". Counts move as scrapers discover new companies and flag shutdowns inactive.

Which "Open Source" startups are based in New York City?

Companies on this page include authzed, Beam, and CodeStream, plus 11 more below. Each profile links to the company's site and any open roles we scrape.

How is this different from the New York City startups page or the "Open Source" tag page?

/startups/location/new-york-city lists every indexed startup in New York City across tags. /startups/tag/open-source lists every "Open Source" startup nationwide. This page is the intersection — only companies that resolve to both New York City and "Open Source".

Are these New York City "Open Source" startups hiring?

2 of the 14 companies on this page currently have open roles in our jobs index.

How often is this list updated?

Automated scrapers refresh on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.