On the recordRead 15 Oct 202639 facts
Notesium
Plans and prices
Free
Free
Open source · MIT License · Linux, macOS and Windows
Read 15 Oct 2026 · notesium.com
On the record
- API
- The local REST API uses JSON and exposes endpoints to create, update, delete, retrieve and list notes.notesium.com · read 15 Oct 2026
- API data model
- The documented note object includes filename, title, label status, incoming and outgoing links, timestamps, counts, path and content.notesium.com · read 15 Oct 2026
- API stability
- The API documentation calls the interface unstable and says it has no explicit versioning.notesium.com · read 15 Oct 2026
- API write control
- API writes are forbidden unless the daemon is started with the --writable option.notesium.com · read 15 Oct 2026
- Bidirectional links
- Links create outgoing and automatically discovered incoming relationships between notes.notesium.com · read 15 Oct 2026
- CLI
- Notesium includes a command-line interface with list, links, lines, finder, statistics, web and version commands.github.com · read 15 Oct 2026
- Custom URI
- Notesium documents a custom notesium:// URI protocol for opening notes and actions.notesium.com · read 15 Oct 2026
- Editor
- The embedded web editor supports Markdown syntax highlighting, section folding, table formatting, and Vim mode emulation.notesium.com · read 5 Oct 2026
- File naming
- Note filenames use deterministic eight-character hexadecimal identifiers derived from Unix epoch time.notesium.com · read 15 Oct 2026
- Graph
- An interactive force graph visualizes note relationships and supports search filtering, preview, zoom, and layout adjustments.notesium.com · read 5 Oct 2026
- Graph view
- An interactive force graph visualizes relationships and supports filtering, previews, zooming and layout-force controls.notesium.com · read 15 Oct 2026
- Installation
- Prebuilt binaries are provided for Linux, macOS and Windows, with SHA-256 checksum verification instructions.notesium.com · read 15 Oct 2026
- Integrations
- Notesium provides a Vim/Neovim plugin that uses its CLI for note finding and preview.notesium.com · read 5 Oct 2026
- Intended users
- The maker describes use cases including personal notes, knowledge bases, journaling, research, book writing, and workout tracking.notesium.com · read 5 Oct 2026
- Knowledge models
- The product is designed for Evergreen notes, Zettelkasten workflows and personal knowledge management.notesium.com · read 15 Oct 2026
- Labels
- A note with a one-word title is treated as a label and can organize linked notes into a taxonomy.notesium.com · read 15 Oct 2026
- Latest release
- GitHub lists v0.6.5 as the latest release, published 20 July, with Vim/Neovim improvements and rewritten web tab management.github.com · read 15 Oct 2026
- License
- The repository identifies the project as MIT licensed.github.com · read 15 Oct 2026