Skip to main content

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
$622.3M
Avg Funding
$41.5M
Global Reach
7
countries

Top Cities for Open Source

Montrouge
San Francisco
Palo Alto
Suwalki
Berlin
Houston

Recently Funded Companies

Export
Montrouge, France

CrowdSec is a participative IPS, using local IP behavior and community-driven IP reputation to protect Internet-exposed assets.

$13.7M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Langtrace AI is an open source LLM application observability and evaluations platform

$5.3M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

ArangoDB is an open-source database that offers a flexible data model for documents, graphs, and key values.

$27.8M raised
Oct 2021

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

efabless connects a global community of chip designers with smart product customers

$2.5M raised
Oct 2024

Founder Contacts

30,000+ verified contacts

Suwalki, Poland

Reactive Data Processing Company

$500K raised
Oct 2021

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Immerok is building a fully managed Apache Flink cloud service for real-time stream processing applications at scale.

$17.0M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

Houston, United States

Graylog is an AI-powered SIEM and log management platform built for security and IT operations that centralizes and analyzes event data.

$30.0M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Zug, Switzerland

CUE Labs is a new platform focused on turning configuration management from a source of chaos into a source of reliability.

$10.0M raised
Oct 2025

Founder Contacts

30,000+ verified contacts

Sunnyvale, United States

Yugabyte is an open-source distributed SQL database for customers in industries such as cybersecurity, financial markets, and IoT.

$188.0M raised
Oct 2021

Founder Contacts

30,000+ verified contacts

Kirkland, United States

Chainguard is a cloud-native development platform that provides low-to-zero CVE container images for building and running applications.

$280.0M raised
Oct 2025

Founder Contacts

30,000+ verified contacts

Foster City, United States

OpenAGI offers agentic foundation models by redefining pre-training, mid-training, post-training, and large-scale reinforcement learning.

$7.5M raised
Oct 2025

Founder Contacts

30,000+ verified contacts

Keila, Estonia

AutoGPT is a developer of open-source experimental applications.

$12.0M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Security building blocks for the AI era, helping companies prioritize AI security and deploy compliant cloud applications faster.

$2.5M raised
Oct 2021

Founder Contacts

30,000+ verified contacts

San Francisco, United States

NocoDB is an open-source nocode database that instantly provides spreadsheets over databases.

$10.5M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

Paris, France

Open-source search engine API

$15.0M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

Showing 201 to 215 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
$41.5M
Total Funding Tracked
$622.3M
Countries Represented
7

Distribution by Funding Stage

Other15 companies

Top Cities for Open Source

1.San Francisco
3 companies$43.6M
2.Montrouge
1 companies$13.7M
3.Palo Alto
1 companies$2.5M
4.Suwalki
1 companies$500K
5.Berlin
1 companies$17.0M

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.

Ready to Connect with Open Source Startups?

Perfect for: B2B sales teams targeting open source companies, investors exploring sector opportunities, and service providers looking for funded companies ready to scale.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked

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