All Industries

Top Open Source Companies

190 Open Source companies, sorted by total funding raised.

190

Companies

$11.2B

Combined Funding

Seed

Top Stage

Indexed tracks 190 Open Source companies that have collectively raised $11.2B in documented funding. The most-funded open source companies tracked include Snyk and ClickHouse. Seed is the most common funding stage among open source companies in this dataset.

Snyk

Developer security platform that helps organizations find and fix vulnerabilities in custom code,...

Boston, United States1001–5000Cybersecurity, Developer Tools
Series G+Total funding$1.7BDec 2022
ClickHouse

ClickHouse builds an open-source, column-oriented database that delivers real-time SQL analytics ...

San Francisco, United States201–500Analytics, Cloud
Series DTotal funding$1.1BJan 2026
Supabase

Supabase provides a Postgres development platform with authentication, APIs, Edge Functions, real...

San Francisco, United States51–200Cloud, Data & Analytics
Series FTotal funding$998.0MJun 2026
ConvoyClosed

Convoy provides a secure, scalable webhook gateway for developers and enterprises to reliably man...

Seattle, United States1–10Developer Tools, Open Source
Series ETotal funding$825.5MApr 2022
Sysdig

Sysdig provides real-time cloud security powered by open source, helping teams protect containers...

San Francisco, United States201–500Cloud, Cybersecurity
Series G+Total funding$716.5MDec 2021
Chainguard

Chainguard provides trusted, secure open source artifacts including container images, language li...

Kirkland, United States201–500Cloud, Cybersecurity
Series DTotal funding$612.0MApr 2025
Docker

Docker provides a container platform that helps developers build, share, and run applications con...

Palo Alto, United States201–500DevOps, Open Source
Series CTotal funding$525.9MMar 2022
Aiven

Open source cloud data platform providing managed services for databases and streaming technologi...

Helsinki, Finland501–1000Cloud, Data & Analytics
Series DTotal funding$429.0MMay 2022
n8n

n8n is a workflow automation platform that combines AI capabilities and business-process automati...

Berlin, Germany201–500Workflow Automation, Developer Tools
Venture RoundTotal funding$417.5MMay 2026
GitLabIPO

GitLab delivers a single DevSecOps platform that unifies planning, source code management, CI/CD,...

San Francisco, United States1001–5000Cybersecurity, Developer Tools
Series ETotal funding$409.5MSep 2019
Protocol Labs

Protocol Labs develops open-source computing technologies and supports a network of startups adva...

Palo Alto, United States51–200Open Source, Crypto & Web3
Series DTotal funding$353.8MAug 2017
HashiCorpAcquired

HashiCorp empowers organizations to automate and secure multi-cloud & hybrid environments. The co...

San Francisco, United States1001–5000Cloud, DevOps
Series ETotal funding$349.0MMar 2020
Airbyte

Airbyte is an open-source data integration platform that moves data via 600+ connectors into any ...

San Francisco, United States51–200Data & Analytics, Developer Tools
Series BTotal funding$181.2MDec 2021
PostHog

PostHog is an all-in-one platform where product engineers build self-driving products, combining ...

San Francisco, United States51–200Open Source, Analytics
Series ETotal funding$175.0MSep 2025
InfluxData

InfluxData is the company behind InfluxDB, the leading open-source time series database, powering...

San Francisco, United States201–500Analytics, Data & Analytics
Series ETotal funding$170.1MFeb 2023
Apollo

Apollo provides a GraphQL API orchestration platform that helps engineering teams connect clients...

San Francisco, United States51–200Developer Tools, Open Source
Series DTotal funding$152.0MAug 2021
SonatypeAcquired

Sonatype provides software supply chain intelligence and automated governance so enterprises can ...

Fulton, United States501–1000Cybersecurity, Developer Tools
Series ETotal funding$150.9MSep 2018
Mend

Application security platform (formerly WhiteSource) that helps developers manage open-source com...

Tel Aviv, Israel201–500Cybersecurity, Developer Tools
Series DTotal funding$121.0MApr 2021
Voltron Data

Data infrastructure company building composable data systems and GPU-accelerated query engines, m...

Mountain View, United States51–200Artificial Intelligence, Infrastructure
Corporate RoundTotal funding$110.0MFeb 2025
Daily

Conversational Voice and Multimodal AI built with Open Source

San Francisco, United States51–200AI Assistant, Artificial Intelligence
Series BTotal funding$102.1MJan 2024
PlanetScale

PlanetScale offers fully managed cloud databases for Vitess and Postgres, delivering speed and re...

San Francisco, United States51–200Infrastructure, Databases
Series CTotal funding$102.0MNov 2021
Twenty

Twenty lets teams compose their own CRM and internal apps with a single extensibility toolkit cov...

San Francisco, United States1–10CRM, Open Source
Series BTotal funding$100.0MJun 2026
Embrace

Embrace delivers user-focused observability for mobile and web, tracking crashes, network request...

Los Angeles, United States51–200Developer Tools, Open Source
Growth EquityTotal funding$79.5MJul 2023
TideliftAcquired

Provides commercial support and managed assurance for open-source components, helping organizatio...

Boston, United States11–50Cybersecurity, Developer Tools
GrantTotal funding$77.5MSep 2024
Mattermost

Mattermost is a hardened, in-house open source collaboration platform co-developed with security ...

Palo Alto, United States51–200Cybersecurity, Open Source
Series BTotal funding$73.2MApr 2025

Frequently Asked Questions

How many Open Source companies are tracked on Indexed?

Indexed tracks 190 Open Source companies, sorted by total funding raised.

How much funding have Open Source companies raised in total?

The Open Source companies tracked by Indexed have collectively raised $11.2B in documented funding.

What are the top-funded Open Source companies?

The most-funded Open Source companies tracked include Snyk, ClickHouse, Supabase.

Who are the top investors in Open Source?

Leading investors active in Open Source include Runa Capital, Essence Venture Capital, Twenty Two Ventures.

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