HelixNotes vs memos

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

HelixNotes

AGPL-3.0

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

Visit Full details

memos

MIT

Privacy-first, self-hosted note-taking platform with markdown support, tagging, and built-in AI — a lightweight alternative to Notion and Obsidian.

Visit Full details

Side-by-side comparison

	HelixNotes	memos
License	AGPL-3.0	MIT
Self-hostable	No	Yes
GitHub Stars	157	62,289
Forks	16	4,658
Open Issues	57	42
Last Commit	Jul 23, 2026	Aug 16, 2026
First Released	Feb 9, 2026	Dec 8, 2021
Categories	Note Taking & Knowledge Management Tools	Note Taking & Knowledge Management Tools
Tags	#markdown #notes #knowledge-management #productivity #privacy	#markdown #memo #note taking #microblog

GitHub stars over time

HelixNotes

memos62,289

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.

Alternative to:

Notion

Jotty

Lightweight self-hosted app for managing personal file-based notes and checklists.

Alternative to:

Notion

Outline

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

Alternative to:

Notion

AFFiNE

Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.

Alternative to:

Notion

SilverBullet

Markdown-based note-taking app with powerful live queries, templates, and a pluggable scripting system for power users.

Alternative to:

Notion

Huly

All-in-one open source platform that combines project management, CRM, chat, HR, and wiki as an alternative to Linear, Jira, Slack, and Notion.

Alternative to:

Notion