Outline vs TriliumNext Notes
Comparing two open source alternatives to Notion . Use the comparison below to decide which one fits your needs.
Outline
The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.
TriliumNext Notes
AGPL-3.0Hierarchical personal knowledge base with powerful note-taking, rich text editing, and scripting capabilities.
Side-by-side comparison
Outline | TriliumNext Notes | |
|---|---|---|
| License | — | AGPL-3.0 |
| Self-hostable | Yes | Yes |
| GitHub Stars | 39,036 | 36,533 |
| Forks | 3,365 | 2,451 |
| Open Issues | 47 | 714 |
| Last Commit | Jun 23, 2026 | Jun 22, 2026 |
| First Released | May 22, 2016 | May 23, 2017 |
| Categories | ||
| Tags | — |
Similar open source alternatives
AppFlowy
Open source Notion alternative that brings projects, wikis, and teams together with AI while keeping you in control of your data.
HelixNotes
A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.
ObsidianJotty
Lightweight self-hosted app for managing personal file-based notes and checklists.
memos
A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.
Obsidian
AFFiNE
Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.
SilverBullet
Markdown-based note-taking app with powerful live queries, templates, and a pluggable scripting system for power users.