Open source focus

Open Source Alternatives to JetBrains

21 open source Software Development options similar to JetBrains, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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TanStack50
Software DevelopmentSan Francisco, Canada$1.0M
Developer tools for building modern web applications.
Open source · Self-hostable
Eclipse Foundation10
Open SourceBrussels, Belgium
A non-profit organization stewarding open source software projects, communities, and collaborative industry ecosystems.
Open source · Self-hostable
KiloClaw54
Artificial Intelligence
A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
Hugging Face76
AINew York, United States$395.2M
Hugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
Ubuntu70
Operating SystemsLondon, United Kingdom$63.0M
A popular open-source Linux distribution.
Open source · Self-hostable
Codefresh62
EnterpriseBrisbane, Australia$42.0M
Octopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
Appwrite58
EnterpriseSan Francisco, United States$37.0M
Open-source backend-as-a-service platform for building scalable applications.
Open source · Self-hostable
MetalBear56
Software DevelopmentSan Francisco, United States$12.5M
Open-core company building tools for modern backend engineers to ship faster and better.
Open source · Self-hostable
Odigos56
Enterprise$13.0M
Open-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.
Open source · Self-hostable
All-Hands AI49
Agentic AIBoston, United States$5.0M
An open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
vxtwitter.com31
Web DevelopmentSan Francisco, United States
The world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.
Open source · Self-hostable
Node.js26
Software Development
An open-source, cross-platform JavaScript runtime environment.
Open source · Self-hostable
ChartDB26
Software DevelopmentTel Aviv, Israel
Visualize, edit, and collaborate on database schemas instantly with a powerful DB diagram editor.
Open source · Self-hostable
Cloud Native Computing Foundation15
Cloud ComputingIrvine, United States
The Cloud Native Computing Foundation (CNCF) is an open-source software foundation that aims to make cloud-native computing universal and sustainable.
Open source · Self-hostable
I3
i313
Software Development
A highly configurable and efficient tiling window manager for X11.
Open source · Self-hostable
LibreChat10
AINew York, United States
Open-source, self-hostable AI chatbot UI.
Open source · Self-hostable
.NET8
Software DevelopmentRedmond, USA
A free, cross-platform, open-source developer platform for building many types of applications.
Open source · Self-hostable
Ajthinking7
Open Source
Code, AI, GIS, maps, open-source tooling, city planning, and marketing automation.
Open source
Model Context Protocol (MCP)2
AISan Francisco, United States
An open standard for connecting AI assistants to external data sources and tools.
Open source · Self-hostable
RU
Rubish
Software Development
A UNIX shell written entirely in Ruby, offering deep integration with Ruby code.
Open source
MariaDB61
DatabaseRedwood City, United States$131.0M
A cloud database company providing a unified platform for transactional, analytical, and AI workloads.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
TanStackDeveloper tools for building modern web applications.	Software Development	Open source · Self-hostable	San Francisco, Canada	$1.0M	50
Eclipse FoundationA non-profit organization stewarding open source software projects, communities, and collaborative industry ecosystems.	Open Source	Open source · Self-hostable	Brussels, Belgium	—	10
KiloClawA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.	Artificial Intelligence	Open source · Self-hostable	—	—	54
Hugging FaceHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.	AI	Open source · Self-hostable	New York, United States	$395.2M	76
UbuntuA popular open-source Linux distribution.	Operating Systems	Open source · Self-hostable	London, United Kingdom	$63.0M	70
CodefreshOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.	Enterprise	Open source · Self-hostable	Brisbane, Australia	$42.0M	62
AppwriteOpen-source backend-as-a-service platform for building scalable applications.	Enterprise	Open source · Self-hostable	San Francisco, United States	$37.0M	58
MetalBearOpen-core company building tools for modern backend engineers to ship faster and better.	Software Development	Open source · Self-hostable	San Francisco, United States	$12.5M	56
OdigosOpen-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.	Enterprise	Open source · Self-hostable	—	$13.0M	56
All-Hands AIAn open-source platform for building and running AI coding agents that automate software development tasks.	Agentic AI	Open source · Self-hostable	Boston, United States	$5.0M	49
vxtwitter.comThe world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.	Web Development	Open source · Self-hostable	San Francisco, United States	—	31
Node.jsAn open-source, cross-platform JavaScript runtime environment.	Software Development	Open source · Self-hostable	—	—	26
ChartDBVisualize, edit, and collaborate on database schemas instantly with a powerful DB diagram editor.	Software Development	Open source · Self-hostable	Tel Aviv, Israel	—	26
Cloud Native Computing FoundationThe Cloud Native Computing Foundation (CNCF) is an open-source software foundation that aims to make cloud-native computing universal and sustainable.	Cloud Computing	Open source · Self-hostable	Irvine, United States	—	15
I3i3A highly configurable and efficient tiling window manager for X11.	Software Development	Open source · Self-hostable	—	—	13
LibreChatOpen-source, self-hostable AI chatbot UI.	AI	Open source · Self-hostable	New York, United States	—	10
.NETA free, cross-platform, open-source developer platform for building many types of applications.	Software Development	Open source · Self-hostable	Redmond, USA	—	8
AjthinkingCode, AI, GIS, maps, open-source tooling, city planning, and marketing automation.	Open Source	Open source	—	—	7
Model Context Protocol (MCP)An open standard for connecting AI assistants to external data sources and tools.	AI	Open source · Self-hostable	San Francisco, United States	—	2
RURubishA UNIX shell written entirely in Ruby, offering deep integration with Ruby code.	Software Development	Open source	—	—	—
MariaDBA cloud database company providing a unified platform for transactional, analytical, and AI workloads.	Database	Open source · Self-hostable	Redwood City, United States	$131.0M	61