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Open Source Startups

Updated August 2026

Companies in the open source sector developing innovative solutions and technologies.

Explore 270 recently funded open source companies with verified founder contact information and fundraising data.

Total Companies
270
Total Funding
$307.2M
Avg Funding
$12.3M
Global Reach
7
countries

Top Cities for Open Source

Bois-colombes
Palo Alto
San Francisco
New York
Tampa
Miami

Recently Funded Companies

Export
Bois-colombes, France

Empowering companies to take control of their carbon emissions with our API-first Carbon Management Platform

$478K raised
May 2025

Founder Contacts

41,000+ verified contacts

Palo Alto, United States

Endor Labs secures software supply chains with advanced tools for open-source risk, compliance, and developer productivity.

$93.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Solving the data context problem

$4.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

New York, United States

Start with an API spec. Generate SDKs in multiple languages and API documentation tailored to your brand.

$9.0M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Tampa, United States

Tangle ERP is a unique low-code / AI-assisted application for Manufacturers, offering full customization, migration and rapid delivery

$880K raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Miami, United States

WunderGraph is a next generation BFF framework designed to optimize frontend, fullstack, and backend developer workflows

$7.5M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Make Websites Accessible for Agents

$17.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Rerun builds open source visualization infrastructure for computer vision and robotics.

$17.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

New York, United States

Pluralis Research operates as an AI start-up that uses decentralized training to create open-source AI.

$7.6M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Tokyo, Japan

NodeX is an IoT modern monitoring service provider that specializes in open-source and scalable data orchestration platforms.

$4.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Superglue is an open-source tool that empowers users to effortlessly transform their data, unlocking new possibilities and insights.

$500K raised
Mar 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Subtrace empowers developers to effortlessly monitor all production requests with just one command

$500K raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Winston Salem, United States

Fluree is an open source semantic graph database that guarantees data integrity, secure data sharing, and powers connected data insights.

$3.8M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Lingo.dev automates localization by generating instant translations and creating pull requests with translations for UI code changes.

$4.2M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Tel Aviv, Israel

Oligo Security specializes in application detection and response, focusing on protecting software during the development lifecycle.

$50.0M raised
Jan 2025

Founder Contacts

41,000+ verified contacts

Paris, France

Formance is an open-source and cloud-native infrastructure platform to build financial applications.

$21.0M raised
Jan 2025

Founder Contacts

41,000+ verified contacts

Esch-sur-alzette, Luxembourg

Open source password manager for teams

$8.0M raised
Jan 2025

Founder Contacts

41,000+ verified contacts

Tel Aviv-yafo, Israel

The GenAI platform that streamlines business onboarding, underwriting, and monitoringfast, secure, and compliant.

$13.5M raised
Jan 2025

Founder Contacts

41,000+ verified contacts

New York, United States

Ethyca is a privacy engineering platform that enables engineers to develop and ship privacy as a feature of any system.

$10.0M raised
Dec 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Twenty builds the modern salesforce, powered by the open source community.

$5.0M raised
Nov 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Open-source CRM without compromise

$5.0M raised
Nov 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Lightdash turns a dbt project into a full-stack BI platform.

$11.0M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Pydantic operates an observability platform, Pydantic Logfire, as well as an open source data-validation framework.

$12.5M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

San Jose, United States

Aarna Networks solves enterprise edge and private 5G management complexity through zero-touch edge orchestration at scale.

$1.2M raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Pittsburgh, United States

Ionworks is a Software Development firm offering simulation software used by battery and automotive companies.

$500K raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Showing 126 to 150 of 270 companies

About the Open Source Startup Ecosystem

The open source sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Open Source

Open Source companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The open source sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Open Source Funding Breakdown

Here is how funding is distributed among the 270 open source companies tracked in the VCBacked database.

Average Funding
$12.3M
Total Funding Tracked
$307.2M
Countries Represented
7

Distribution by Funding Stage

Other25 companies

Top Cities for Open Source

1.San Francisco
8 companies$47.2M
2.New York
3 companies$26.6M
3.Bois-colombes
1 companies$478K
4.Palo Alto
1 companies$93.0M
5.Tampa
1 companies$880K

Related Industries

Companies in the open source sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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