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Venture - Series Unknown Open Source Companies

Explore 29 open source startups that raised venture - series unknown funding. Access verified founder contact information and fundraising data.

Total Companies
29
Total Funding
$254.2M
Avg Funding
$10.2M
Cities
19

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Denver, United States
$20.0M
raised

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

Aug 2022
Venture - Series Unknown

Founder Contacts

41,000+ 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
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands
$511K
raised

Building the worlds first open Community Experience Platform (CXP)

Jul 2022
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Madrid, Spain
$2.2M
raised

Kaleidos is an open-source project management platform for tech-heavy startups.

Jul 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

San Francisco, United States

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

Jul 2023
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Santa Clara, United States
$115.0M
raised

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

Jun 2022
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

New York, United States

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

Jun 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

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

May 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Oslo, Norway
$23.2M
raised

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

May 2022
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Boston, United States
$6.4M
raised

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

May 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Boston, United States

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

May 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Speckle is a collaborative data hub that connects various AEC (Architecture, Engineering, and Construction) tools.

Apr 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$10.0M
raised

SCRT Labs shares and analyzes encrypted data.

Apr 2022
Venture - Series Unknown

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
Venture - Series Unknown

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
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Jose, United States
$14.7M
raised

Open-source AI computing infrastructure

Feb 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$5.1M
raised

FOSSA is the developer's choice for managing open source risk and reporting.

Jul 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Lewes, United States
$500K
raised

Prifina is building a personal data platform for personal AI twins where individual user's data is private-by-default.

Jul 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Belval, Luxembourg
$19.8M
raised

Tadaweb provides an open-source intelligence platform that transforms how businesses generate intelligence from publicly available data.

Jun 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Winston Salem, United States
$3.8M
raised

Fluree is an open source semantic graph database that guarantees data integrity, secure data sharing, and powers connected data insights.

Mar 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Seoul, South Korea
$2.3M
raised

The global leader in binary-level, open source software security and compliance.

Dec 2023
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom
$3.6M
raised

Eagle Genomics is a enterprise software solutions company to enable the management, orchestration and exploitation of life sciences data.

Sep 2023
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$20.0M
raised

Embrace helps mobile engineers build better experiences.

Jul 2023
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Paris, France
$7.0M
raised

Mindee offers a tailor-made artificial intelligence solution that transforms documents into usable data.

Mar 2023
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Zug, Switzerland

Lisk is a blockchain application platform based in Zug, Switzerland.

Jan 2024
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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