Wiki.js — open source alternative

Modern wiki engine with Git sync and a rich editor.

Strengths

  • Storage backends include Git, S3, local disk and cloud providers.
  • Multiple authentication sources out of the box.
  • Polished editor with markdown, WYSIWYG and code modes.

Weaknesses

  • v3 rewrite slowed 2.x feature additions.
  • AGPL-3.0 may block some commercial vendors.
  • Node.js + Postgres requires more ops than PHP stacks.
License: AGPL-3.0 Self-host difficulty: 3/5 Self-host only

Official site · Source on GitHub

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