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Open Source Startups

Updated July 2026

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

Explore 215 recently funded open source companies with verified founder contact information and fundraising data.

Total Companies
215
Total Funding
$252.4M
Avg Funding
$10.1M
Global Reach
10
countries

Top Cities for Open Source

Stockholm
San Francisco
Bois-colombes
Palo Alto
Tampa
Miami

Recently Funded Companies

Export
Stockholm, Sweden

Polar is a subscription network for open-source maintainers and backers.

$10.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Securing Terraform deployments

$3.6M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

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

30,000+ 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

30,000+ verified contacts

San Francisco, United States

Solving the data context problem

$4.0M raised
Apr 2025

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

Stockholm, Sweden

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

$17.0M raised
Mar 2025

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Esch-sur-alzette, Luxembourg

Open source password manager for teams

$8.0M raised
Jan 2025

Founder Contacts

30,000+ 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

30,000+ verified contacts

San Francisco, United States

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

$5.0M raised
Nov 2024

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

London, United Kingdom

Patchstack is a website security and monitoring platform.

$5.0M raised
Sep 2024

Founder Contacts

30,000+ verified contacts

Vienna, Austria

Glasskube is an open source package manager that distributes software to private infrastructure, cloud environments, and on-premises.

$500K raised
Aug 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

The only messaging platform without any user IDs

$1.3M raised
Aug 2024

Founder Contacts

30,000+ verified contacts

Austin, United States

Innovation at the cutting edge of IT security

$2.0M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Charlotte, United States

Leantime is an open source project management system for non-project managers using behavioral science and AI to make work engaging.

$55K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Agenta is the open-source LLMOps platform that allows developers build production ready LLM-powered applications.

$1.1M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Melbourne, Australia

SpatialGPT.ai is an AI solution provider for spatial issues.

$3.4M raised
May 2024

Founder Contacts

30,000+ verified contacts

Showing 101 to 125 of 215 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 215 open source companies tracked in the VCBacked database.

Average Funding
$10.1M
Total Funding Tracked
$252.4M
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Open Source

1.San Francisco
4 companies$13.1M
2.London
3 companies$18.8M
3.Stockholm
2 companies$27.0M
4.New York
2 companies$17.6M
5.Bois-colombes
1 companies$478K

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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