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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
$227.1M
Avg Funding
$9.1M
Global Reach
11
countries

Top Cities for Open Source

Munich
Barcelona
Mountain View
Cambridge
Paris
Calgary

Recently Funded Companies

Export
Munich, Germany

an extensible, open-source MLOps framework for reproducible ML

$3.7M raised
Oct 2023

Founder Contacts

41,000+ verified contacts

Barcelona, Spain

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

$1.2M raised
Oct 2023

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Paris, France

Contribute to the best open-source projects.

$3.2M raised
Sep 2023

Founder Contacts

41,000+ verified contacts

Calgary, Canada

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

$2.4M raised
Sep 2023

Founder Contacts

41,000+ verified contacts

New York, United States

RecipeUI is an open source postman alternative for viewing and debugging GraphQL requests in Chrome and Firefox.

$500K raised
Sep 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Highlight is an open-source and full-stack monitoring platform.

$8.0M raised
Aug 2023

Founder Contacts

41,000+ 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

41,000+ verified contacts

Berkeley, United States

MindsDB is an open-source platform that enables developers to integrate machine learning into applications.

$5.0M raised
Aug 2023

Founder Contacts

41,000+ 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

41,000+ verified contacts

San Francisco, United States

Reflex is an open-source, full-stack Python framework that allows you to quickly design and deploy web apps.

$5.0M raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Jersey City, United States

Epsilla is a one-stop Retrieval-Augmented Generation as a Service platform for building LLM applications connected with proprietary data

$500K raised
Aug 2023

Founder Contacts

41,000+ 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

41,000+ verified contacts

Tel Aviv, Israel

Wing Cloud creates tools for enabling developers to use the cloud

$20.0M raised
Jul 2023

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Embrace helps mobile engineers build better experiences.

$20.0M raised
Jul 2023

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

San Francisco, United States

Infrastructure for AI Systems.

$6.0M raised
Jun 2023

Founder Contacts

41,000+ 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

41,000+ verified contacts

Seattle, United States

Stacklok creates software supply chain security-focused products and services.

$17.5M raised
May 2023

Founder Contacts

41,000+ verified contacts

Sandy, United States

HeroDevs provides products and solutions for companies with open source libraries that have reached end of life

$8.0M raised
May 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Forecasting & Anomaly Detection Unlock accurate predictions and detect anomalies with Nixtla's industry-leading time series engine.

$4.5M raised
Apr 2023

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

Weaviate develops a hybrid SaaS platform to build search and recommendation systems.

$50.0M raised
Apr 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Cerbos offers an open-source authorization layer for products making user permissions and authorization simple to implement and manage.

$7.5M raised
Apr 2023

Founder Contacts

41,000+ verified contacts

Showing 176 to 200 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
$9.1M
Total Funding Tracked
$227.1M
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for Open Source

1.San Francisco
5 companies$24.5M
2.Munich
1 companies$3.7M
3.Barcelona
1 companies$1.2M
4.Mountain View
1 companies$7.5M
5.Cambridge
1 companies$3.6M

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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