Discover open-source alternatives to developer SaaS
A curated directory of 79+ tools mapped to the products you already use — with self-host status on every listing.
Featured replacements
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Notion
All-in-one workspace for docs, databases, and wikis. · 13 open-source alternatives
Evernote
Note-taking app with sync, search, and web clipper. · 7 open-source alternatives
Google Keep
Lightweight note and checklist app with Google account sync. · 6 open-source alternatives
Popular SaaS to replace
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AppFlowy
Open-source Notion-style workspace with docs and databases.
AFFiNE
Knowledge base that mixes docs, whiteboards, and databases.
Outline
Team wiki and knowledge base built for internal docs.
Logseq
Local-first outliner for notes, journals, and linked thinking.
Anytype
Local-first objects and spaces for notes and personal databases.
Wiki.js
Modern, Git-backed wiki built on Node.js with a rich admin UI.
BookStack
Documentation platform with a book-and-shelf structure in PHP and Laravel.
DokuWiki
Database-free wiki engine that stores pages as flat text files.