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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
$1.7B
Avg Funding
$69.9M
Global Reach
6
countries

Top Cities for Open Source

Espoo
San Francisco
San Diego
Paris
Wilmington
Boston

Recently Funded Companies

Export
Espoo, Finland

Lifetime is AI innovation and Digital Transformation Consultancy Powerhouse. We deliver World-Class Firehorse Products fe. the DWS IQ 6

$153K raised
Apr 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

The leading community for developers to discover, compare and choose open-source technologies.

$2.4M raised
Apr 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

SCRT Labs shares and analyzes encrypted data.

$10.0M raised
Apr 2022

Founder Contacts

41,000+ verified contacts

San Diego, United States

Developing AI Refactoring Tools for Enterprise Security and Technical Debt Reduction

$3.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Paris, France

Kestra is an orchestration platform that serves as the control plane for business-critical workflows across data, infrastructure, and AI.

$25.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Paris, France

Mistral AI is an AI platform that provides large language models and AI services tailored to diverse enterprise applications.

$830.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Wilmington, United States

FerretDB is an open source MongoDB-compatible database

$2.8M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Boston, United States

Inrupt is delivering Sir Tim Berners-Lee’s original vision of a web of shared benefit, for everyone.

Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

ARC Prize seeks to develop benchmarks that probe AI for human-level intelligence

Mar 2026

Founder Contacts

41,000+ verified contacts

New York, United States

SkipLabs builds infrastructure for reactive applications.

$8.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Commerce City, United States

Sol PBC is a public benefits company that offers open-source tools and services for individuals to gain insight from their personal data.

$250K raised
Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Activepieces is an open source business automation software that allows users to automate their work without writing code.

$1.6M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Qdrant is an open-source vector search engine and database for next-generation AI applications.

$50.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

New York, United States

Grafana Labs is an open-source software platform built to support monitoring, visualization, and metric analytics.

$250.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Wilmington, United States

Convoy is an online gateway that sends, receives, and manages webhooks events.

Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Apollo GraphQL helps developers build better software with a declarative, graph-based approach to API orchestration.

Mar 2022

Founder Contacts

41,000+ verified contacts

Brussels, Belgium

Data Access Management for the Modern Data Team

Feb 2024

Founder Contacts

41,000+ verified contacts

Washington, United States

Prefect is a Python-based orchestration platform that empowers data teams to build resilient, adaptable data pipelines and workflows.

$14.0M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

camelAI is a self-hosted secure platform for vibe coding real software.

$500K raised
Feb 2024

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Mizar is a crypto trading company that provides information management solutions to serve the Oracle user community.

$3.0M raised
Feb 2022

Founder Contacts

41,000+ verified contacts

Philadelphia, United States

dbt Labs is a data analytics software company that develops tools for transforming and managing data within cloud data warehouses.

$222.0M raised
Feb 2022

Founder Contacts

41,000+ verified contacts

Wilmington, United States

Tonbo IO offers an open-source, embedded database library for serverless, data-intensive applications.

$2.9M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

San Jose, United States

Open-source AI computing infrastructure

$14.7M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Semantic memory for AI apps and Agents

$7.5M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Bellevue, United States

Temporal Technologies is an open-source platform that simplifies building and managing complex, long-running workflows and microservices.

$300.0M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Showing 76 to 100 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
$69.9M
Total Funding Tracked
$1.7B
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for Open Source

1.San Francisco
6 companies$14.5M
2.Wilmington
3 companies$5.7M
3.Paris
2 companies$855.0M
4.New York
2 companies$258.0M
5.Berlin
2 companies$57.5M

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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270 Open Source Startups (2026) — Recently Funded — Page 4 | VCBacked