Anchor vs HelixNotes
Comparing two open source alternatives to Notion and Obsidian and Evernote and Microsoft OneNote. Use the comparison below to decide which one fits your needs.
Anchor
AGPL-3.0Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.
HelixNotes
AGPL-3.0A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.
Side-by-side comparison
| Anchor | HelixNotes | |
|---|---|---|
| License | AGPL-3.0 | AGPL-3.0 |
| Self-hostable | Yes | No |
| GitHub Stars | 1,399 | 155 |
| Forks | 64 | 15 |
| Open Issues | 71 | 57 |
| Last Commit | Nov 3, 2026 | Jul 23, 2026 |
| First Released | Dec 1, 2025 | Feb 9, 2026 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
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.
Notion
Jotty
Self-hosted notes and checklists with markdown files, Kanban task projects, SSO, PGP encryption, and a REST API.
Notion
Outline
The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.
Notion
memos
Privacy-first, self-hosted note-taking platform with markdown support, tagging, and built-in AI — a lightweight alternative to Notion and Obsidian.
Obsidian
AFFiNE
Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.
Notion
SilverBullet
Self-hosted, programmable knowledge base: plain Markdown notes with live queries, backlinks, and an embedded Lua scripting runtime.
Notion