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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.

Ollama
Run large language models locally
Open source
Jan
An open-source ChatGPT alternative that runs 100% offline
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
AFFiNE
The open-source all-in-one workspace
Open source
Jellyfin
The free software media system — your movies, your server
Open source
Logseq
A privacy-first, open-source platform for knowledge management
Open source
AppFlowy
The open-source alternative to Notion
Open source
VLC
Plays everything, everywhere, for free
Open source
LibreChat
The open-source AI chat platform for every model
Open source
Joplin
Open source note taking with end-to-end encryption
Open source
Continue
Open-source AI code assistant inside your IDE
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
Penpot
The open-source design tool for design & code collaboration
Open source
Mattermost
Open source platform for developer collaboration
Open source
Rocket.Chat
The communications platform you can fully control
Open source
Signal
Say hello to privacy
Open source