# BrainShare > Free, open-source Obsidian publishing plugin and Cloudflare Worker. Publish a slice of your Obsidian vault as a public or token-gated URL. Self-hostable in about 60 seconds on Cloudflare's free tier. ## About - Name: BrainShare - License: MIT - Author: Maheen (https://github.com/MachoMaheen) - Repo: https://github.com/MachoMaheen/brainshare - Install: BRAT MachoMaheen/brainshare (beta) or Obsidian community store (PR #12449, in review) - Price: $0 - Backend: Cloudflare KV only (no Postgres, no Redis, no S3) ## Key endpoints - /share/{wrapId} - public or token-gated rendered slice - /share/{wrapId}/{ulid} - single note within a slice - /share/{wrapId}/api/search?q={query} - full-text search - /share/{wrapId}/feed.xml - Atom RSS feed for a slice - /api/wrappers/{wrapId} - wrap metadata as JSON (auth required) - /pricing.md - machine-readable pricing - /robots.txt - crawler policy ## Positioning BrainShare is an alternative to Obsidian Publish (the paid Obsidian SaaS, $96/year). Obsidian itself is the underlying note-taking app and is not what BrainShare positions against. ## Featured - /share/letter - the launch announcement (15 May 2026)