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Guide

Best open-source alternatives

Open-source tools you actually own — no lock-in, transparent code, and often free. Here are the community's top picks, ranked by popularity.

Jan
An open-source ChatGPT alternative that runs 100% offline
Open source
Ollama
Run large language models locally
Open source
AFFiNE
The open-source all-in-one workspace
Open source
Logseq
A privacy-first, open-source platform for knowledge management
Open source
Open WebUI
Self-hosted AI chat interface that works with any LLM
Open source
Navidrome
Your personal streaming service for your own music
Open source
AppFlowy
The open-source alternative to Notion
Open source
LibreChat
The open-source AI chat platform for every model
Open source
Jellyfin
The free software media system — your movies, your server
Open source
Continue
Open-source AI code assistant inside your IDE
Open source
Joplin
Open source note taking with end-to-end encryption
Open source
VLC
Plays everything, everywhere, for free
Open source
Audacity
Free, open source audio editor and recorder
Open source
Firefox
Fast, Private & Safe Web Browser
Open source
GIMP
The GNU Image Manipulation Program
Open source
Element
Secure messaging on the Matrix network
Open source
Signal
Say hello to privacy
Open source
Penpot
The open-source design tool for design & code collaboration
Open source
Rocket.Chat
The communications platform you can fully control
Open source
Mattermost
Open source platform for developer collaboration
Open source