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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
$274.3M
Avg Funding
$11.0M
Global Reach
8
countries

Top Cities for Open Source

Singapore
Molsheim
Biarritz
Clifton
Bordeaux
Nashville

Recently Funded Companies

Export
Singapore, Singapore

MEMODB is a tech company that provides AI memory technology infrastructure by engineering open-source tools like Memobase.

$1.0M raised
Sep 2025

Founder Contacts

30,000+ verified contacts

Molsheim, France

Myfood designs turnkey connected greenhouses for all those who wish to produce their own food.

$973K raised
Sep 2024

Founder Contacts

30,000+ verified contacts

Biarritz, France

Ternoa offers Blockchain technology to transfer data securely, anonymously, and without alienation nor intermediaries.

$7.3M raised
Sep 2022

Founder Contacts

30,000+ verified contacts

Clifton, United Kingdom

February platform provides create, design, manage and develop apps.

$62K raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Bordeaux, France

The world’s first open source devtool that makes hardware as agile as software

$533K raised
Sep 2021

Founder Contacts

30,000+ verified contacts

Nashville, United States

World-class technical talent, on tap.

$5.2M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

Databend - Modern alternative to Snowflake. Cost-effective and simple for massive-scale insights, powered by Rust.

$6.0M raised
Aug 2021

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Aave is an open source non-custodial protocol on Ethereum for decentralized lending and borrowing.

Aug 2023

Founder Contacts

30,000+ verified contacts

Miami, United States

Entando is an open-source vendor providing an Application Composition Platform for building Composable and Cloud-Native Apps

$11.0M raised
Aug 2021

Founder Contacts

30,000+ verified contacts

Denver, United States

Ambassador accelerate API-led innovation with advanced tools for leading tech companies

$20.0M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

Dover, United States

Discourse is the open-source discussion platform built for the next decade of the Internet.

$20.0M raised
Aug 2021

Founder Contacts

30,000+ verified contacts

Redwood City, United States

The company behind the Milvus open-source vector database

$60.0M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Anyscale accelerates the development and productionization of any AI app, on any cloud, at any scale.

$99.0M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

Sydney, Australia

Leaders in technology to deliver Open Banking and the Consumer Data Right

$5.3M raised
Aug 2022

Founder Contacts

30,000+ verified contacts

Brooklyn, United States

Hugging Face allows users to build, train, and deploy art models using the reference open source in machine learning.

Aug 2024

Founder Contacts

30,000+ verified contacts

Miami, United States

ZKMPC for trade finance and supply chain

$750K raised
Jul 2021

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Promptfoo develops software tools that support testing, evaluation, and security analysis of applications built with language models.

$18.4M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands

Building the worlds first open Community Experience Platform (CXP)

$511K raised
Jul 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

ToolJet is a low-code open-source platform for developing and deploying custom business applications.

Jul 2023

Founder Contacts

30,000+ verified contacts

New York, United States

Primal operates as a social media company that focus on building an open protocols like Nostr and Bitcoin.

$1.0M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Copenhagen, Denmark

Building blocks for digital commerce.

$8.0M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Maestro is an automated testing platform that helps developers create and run end-to-end tests for mobile and web applications.

$3.0M raised
Jul 2021

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Airy is a data streaming platform that offers data for ML and AI applications.

Jul 2022

Founder Contacts

30,000+ verified contacts

Tokyo, Japan

Tier IV creates technology-enabled driving software for the automotive industry that develops intelligent vehicles.

$6.2M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Boston, United States

Make beautiful websites regardless of your design experience - Open Source React UI Library

Jun 2024

Founder Contacts

30,000+ verified contacts

Showing 1 to 25 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
$11.0M
Total Funding Tracked
$274.3M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Open Source

1.San Francisco
5 companies$120.4M
2.Singapore
2 companies$7.0M
3.Miami
2 companies$11.8M
4.Molsheim
1 companies$973K
5.Biarritz
1 companies$7.3M

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