Notesium

No phone app

5.3No. 26 of 28
in Personal Knowledge Management Software

Recognised40% of the score18
Phone app26% of the score0
Documented20% of the score51
Free plan14% of the score30

Free plan: Yes
Runs on: api, Linux, Mac, Web, Windows

Summary

Notesium is ranked #26 of 28 in personal knowledge management software on Samsung Mobile US Press. It runs on API, Linux, macOS, Web, Windows. There is a free plan.

Notesium plans and pricing

All plans

Free Free Free for personal and business use · Open source under MIT License notesium.com · 5 Oct 2026

Compared on personal knowledge management software

Free plan: Yesnotesium.com
Backlinks: Yesnotesium.com
Graph view: Yesnotesium.com
Organization model: graphnotesium.com
Offline access: Yesnotesium.com
Supported platforms: Linux, macOS, Windows, web interface, APInotesium.com

Facts

Purpose: Notesium is an indexer for bidirectionally linked notes designed for Zettelkasten and Evergreen note-taking.notesium.com · 5 Oct 2026
Storage: Notes are stored as plain Markdown files in a single local folder.notesium.com · 5 Oct 2026
Linking: Typing `[[` in the web editor opens a finder to insert a link, and saved notes are linked bidirectionally.notesium.com · 5 Oct 2026
Search: The Finder supports full-text search across all notes.notesium.com · 5 Oct 2026
Graph: An interactive force graph visualizes note relationships and supports search filtering, preview, zoom, and layout adjustments.notesium.com · 5 Oct 2026
Editor: The embedded web editor supports Markdown syntax highlighting, section folding, table formatting, and Vim mode emulation.notesium.com · 5 Oct 2026
Integrations: Notesium provides a Vim/Neovim plugin that uses its CLI for note finding and preview.notesium.com · 5 Oct 2026
API: Notesium provides a local REST API for creating, updating, deleting, retrieving, and listing notes; its API is described as unstable and has no explicit versioning.notesium.com · 5 Oct 2026
API write control: API note creation, updates, and deletion require starting the daemon with the `--writable` option.notesium.com · 5 Oct 2026
Security: The installation guide instructs users to verify downloaded binaries against published SHA-256 checksums.notesium.com · 5 Oct 2026
Platforms: The maker says Notesium runs locally on Linux, macOS, and Windows.notesium.com · 5 Oct 2026
Performance: The maker reports a 6.3 MB Linux build and 11.4 MB system memory for its web and API setup, noting that actual performance varies by system and usage.notesium.com · 5 Oct 2026
Intended users: The maker describes use cases including personal notes, knowledge bases, journaling, research, book writing, and workout tracking.notesium.com · 5 Oct 2026