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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
$173.4M
Avg Funding
$6.9M
Global Reach
12
countries

Top Cities for Open Source

Lewes
Doylestown
San Francisco
Rocklin
Wroclaw
Aarhus

Recently Funded Companies

Export
Lewes, United States

Decentralized AI ecosystem for secure, private collaboration on Cifer blockchain, using Federated Learning & Fully Homomorphic Encryption.

$650K raised
May 2024

Founder Contacts

30,000+ verified contacts

Doylestown, United States

Ory Corp makes and operates Ory Cloud for Zero Trust Security based on Ory's open-source identity, authx, and permission

$5.0M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Exploding Gradients is into building an open-source evaluation and testing infrastructure for LLM applications.

$500K raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Rocklin, United States

Unstructured is an enterprise ETL tool that automatically transforms complex, unstructured data into clean, structured data for GenAI.

$40.0M raised
Mar 2024

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Vocode is an open-source library for building voice-based LLM applications.

$3.3M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Wroclaw, Poland

The world's fastest growing open-source ecommerce platform with billions of dollars transacted.

$8.0M raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Aarhus, Denmark

Coana uses advanced reachability analysis to scan for vulnerabilities in open source dependencies, cutting false positives by over 80%.

$1.6M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

New York, United States

Atri Labs is an open-source web framework that helps Python developers create production web applications.

Jan 2024

Founder Contacts

30,000+ verified contacts

Seoul, South Korea

The global leader in binary-level, open source software security and compliance.

$2.3M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Featureform specializes in developing an open-source virtual feature store.

$5.5M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

New York, United States

Charm makes the command line glamorous.

$6.0M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Munich, Germany

an extensible, open-source MLOps framework for reproducible ML

$3.7M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Barcelona, Spain

Genie builds low/no-code tools for quickly creating and deploying data apps.

$1.2M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Mountain View, United States

Answer questions from all of your data. Aryn brings generative AI to OpenSearch and data preparation for high-quality conversational search.

$7.5M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Cambridge, United Kingdom

Eagle Genomics is a enterprise software solutions company to enable the management, orchestration and exploitation of life sciences data.

$3.6M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Paris, France

Contribute to the best open-source projects.

$3.2M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Calgary, Canada

Ontopical provides businesses with the earliest possible signals of upcoming government contract opportunities.

$2.4M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Berlin, Germany

deepset offers an open-source LLM framework and a cloud platform for enterprise AI teams.

$29.6M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Malmö, Sweden

Software engineering intelligence platform, for increasing delivery efficiency and reducing technical debt. Built on patents and AI.

$8.3M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Seocho, South Korea

Common Computer is building a global backend infrastructure that transforms millions of open-source projects into live services.

$6.3M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Tel Aviv, Israel

Wing Cloud creates tools for enabling developers to use the cloud

$20.0M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Istanbul, Turkey

Rierino is a software firm that develops a low-code microservice platform to accelerate digital transformations and build custom solutions.

$1.3M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Hopsworks specializes in tensorFlow, flink, MySQL, hdfs, machine learning, deep learning, and artificial intelligence.

$6.5M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Infrastructure for AI Systems.

$6.0M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Kapeta redefines how software is built - accelerating and improving every part of the development and deployment life cycle

$1.0M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Showing 126 to 150 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
$6.9M
Total Funding Tracked
$173.4M
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Open Source

1.San Francisco
5 companies$16.3M
2.New York
2 companies$6.0M
3.Lewes
1 companies$650K
4.Doylestown
1 companies$5.0M
5.Rocklin
1 companies$40.0M

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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215 Open Source Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked