What it does
EtherPK is a Markdown-based personal knowledge system for linked notes, journals, tasks, projects, maps, and publishing. Its local folder graphs are free and need no account; its Sync+ service adds cross-device sync and multiplayer editing. The official blog records active product changes in October 2026, including maps, agent chat, and direct publishing to GitHub.
Keep a connected notebook as ordinary Markdown files
EtherPK combines long-form notes and outliner blocks in Markdown pages linked by wikilinks and backlinks. Its official pages describe journals, quick notes, tasks and Kanban boards, maps, graph views, collaboration, and publishing a static site. The local-first option keeps a graph in a folder of files, while Sync+ provides cross-device access and shared editing; this makes EtherPK broader than a basic notebook but keeps its note format portable.
The pricing page lists free local graphs and Sync+ for synchronized graphs. The official blog lists updates on October 10, 15, and 21, 2026 for maps, Agent Chat, and publishing directly to GitHub. The user docs cover local storage, syncing, privacy, and publishing. I did not create a graph, inspect Markdown exports, configure Sync+, or publish a site.
Strengths
- Plain Markdown files and wikilinks make a local graph portable and easy to inspect outside the app.
- Journals, tasks, maps, search, and publishing share one connected note base.
- Local graphs are free, while Sync+ is optional for cross-device sync and collaboration.
Watch out for
- The feature set spans notes, tasks, publishing, and AI, so setup may be more involved than a simple notebook.
- The local folder workflow depends on supported browsers for some devices, while multi-device sync requires the hosted Sync+ service or user-managed sync.
Best for
- People who want a personal knowledge graph stored as Markdown with wikilinks and backlinks
- Users who want notes, journals, tasks, and static-site publishing in one system
Sources
- EtherPK | Personal Knowledge Base in Plain Markdown (Oct 25, 2026)
- EtherPK Pricing (Oct 25, 2026)
- EtherPK User Docs (Oct 25, 2026)
- EtherPK Blog (Oct 25, 2026)