OpenAltFinder

Outline vs SilverBullet

Comparing two open source alternatives to Notion. Use the comparison below to decide which one fits your needs.

Outline

Outline

BSL-1.1

The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.

SilverBullet

SilverBullet

MIT

Self-hosted, programmable knowledge base: plain Markdown notes with live queries, backlinks, and an embedded Lua scripting runtime.

Side-by-side comparison

OutlineOutline
SilverBulletSilverBullet
LicenseBSL-1.1MIT
Self-hostableYesYes
GitHub Stars41,1626,456
Forks3,652528
Open Issues67377
Last CommitNov 3, 2026Nov 4, 2026
First ReleasedMay 22, 2016Feb 16, 2022
Categories
Tags

GitHub stars over time

GitHub stars over time
Outline
SilverBullet6,456