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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
$708.8M
Avg Funding
$28.4M
Global Reach
8
countries

Top Cities for Open Source

Boston
Ghent
Paris
Santa Clara
San Francisco
New York

Recently Funded Companies

Export
Boston, United States

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

Jun 2024

Founder Contacts

30,000+ verified contacts

Ghent, Belgium

Timefold is a platform that optimizes complex scheduling and routing tasks.

$13.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Paris, France

Strapi is an open-source software platform that helps developers to easily build, deploy, and manage APIs.

$31.0M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Paris, France

Upsun provides tools to build, deploy, and manage web applications on a scalable cloud platform.

$139.9M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Santa Clara, United States

DataStax is a real-time data company for Gen AI applications.

$115.0M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Strix is an open-source AI security platform that uses autonomous agents to continuously pentest applications, APIs, and codebases.

$6.7M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

New York, United States

Ona offers software teams a development platform that includes governance tools and sandbox environments.

Jun 2025

Founder Contacts

30,000+ verified contacts

Osaka, Japan

BitClout is an open-source social media platform that builds a Proof-of-Work blockchain for its users.

Jun 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Omnigres is a developer of an integrated data-computed cloud on top of an open-source Postgres platform.

$250K raised
May 2026

Founder Contacts

30,000+ verified contacts

Santa Clara, United States

Mage develops an open-source data pipeline tool for transforming and integrating data.

May 2026

Founder Contacts

30,000+ verified contacts

Wilmington, United States

Networked Artifacts is a technology manufacturing company that offers a portable and playful air quality measuring device.

$750K raised
May 2025

Founder Contacts

30,000+ verified contacts

Oslo, Norway

DLTx is a technology company that specializes in commercial business, physical infrastructure, and software services.

$23.2M raised
May 2022

Founder Contacts

30,000+ verified contacts

Zug, Switzerland

An intent-centric, privacy-preserving protocol for decentralized counterparty discovery, solving, and multi-chain atomic settlement.

$25.0M raised
May 2023

Founder Contacts

30,000+ verified contacts

Boston, United States

Foundation builds Passport Prime: Human Authority Hardware. Secure your keys, codes, wallets, agents, and apps built with KeyOS SDK.

$6.4M raised
May 2026

Founder Contacts

30,000+ verified contacts

Jersey City, United States

Lyzr is an enterprise software company that offers AI porwered agent framework to build multi-agent workflows.

May 2026

Founder Contacts

30,000+ verified contacts

Stanford, United States

Socket is a developer-first security platform that protects your most critical apps from software supply chain attacks.

$60.0M raised
May 2026

Founder Contacts

30,000+ verified contacts

Boston, United States

Starburst offers a data lakehouse platform unifying access to distributed data across cloud, on-premises, and hybrid environments.

May 2025

Founder Contacts

30,000+ verified contacts

New York, United States

Code Ocean is a computational research platform that aims to help researchers replicate data-heavy science.

$16.5M raised
May 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

HumanSignal provides human data services and infrastructure to evaluate, train, and fine-tune AI.

$25.0M raised
May 2022

Founder Contacts

30,000+ verified contacts

Ulster Park, United States

MarsX is an AI-powered low code platform with micro apps.

$1.0M raised
May 2022

Founder Contacts

30,000+ verified contacts

Helsinki, Finland

Aiven is a technology-driven company that enables businesses to manage an open-source data infrastructure in the cloud.

$210.0M raised
May 2022

Founder Contacts

30,000+ verified contacts

New York, United States

DecentralGPT is a decentralized AI network for LLM inference, supporting open and closed-source models.

$7.0M raised
Apr 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Appwrite is a secure end-to-end BaaS for Web, Mobile, and Flutter developers

$27.0M raised
Apr 2022

Founder Contacts

30,000+ verified contacts

Newcastle Upon Tyne, United Kingdom

Xbim provides digital solution services.

$656K raised
Apr 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Purism beautiful computers designed to respect and protect your privacy, security and freedom.

$413K raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 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
$28.4M
Total Funding Tracked
$708.8M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Open Source

1.San Francisco
5 companies$59.4M
2.Boston
3 companies$6.4M
3.New York
3 companies$23.5M
4.Paris
2 companies$170.9M
5.Santa Clara
2 companies$115.0M

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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