Collaborative route planning and federated activity sharing for outdoor enthusiasts.
Planner — Plan routes together in real-time. Share a link, invite friends, edit waypoints collaboratively. Powered by BRouter for intelligent routing with elevation awareness.
Journal — Track your adventures. Import activities from Garmin, Strava, or Wahoo. Share routes and rides with friends. Self-host your own instance and federate with others via ActivityPub.
Early development. See the architecture plan and project philosophy.
This is a TypeScript monorepo using pnpm workspaces and Turborepo.
apps/
planner/ Collaborative route editor (React Router 7 + Yjs + Leaflet)
journal/ Activity social platform (React Router 7 + Fedify + PostGIS)
packages/
types/ Shared TypeScript interfaces
ui/ Shared React components (Tailwind)
map/ Leaflet map wrappers
gpx/ GPX parsing and generation
i18n/ Internationalization (English + German)
Prerequisites: Node.js 20+, pnpm, Docker
# Clone
git clone https://github.com/trails-cool/trails.git
cd trails
# Install dependencies
pnpm install
# Start development (apps only, no database or routing)
pnpm dev
# Start full stack (PostgreSQL + BRouter + apps)
pnpm dev:fullpnpm dev:full starts everything needed to test the Planner end-to-end:
- PostgreSQL + PostGIS on port 5432 (via Docker)
- BRouter routing engine on port 17777 (via Docker)
- Database schema pushed automatically via Drizzle
- BRouter segment downloaded for Berlin area (~124MB, cached)
- Journal on http://localhost:3000
- Planner on http://localhost:3001
Other useful commands:
pnpm dev:services # Start Docker services only (DB + BRouter)
pnpm db:push # Push database schema changes
pnpm db:studio # Open Drizzle Studio (DB browser)This project uses AI-assisted, spec-driven development. See docs/tooling.md for details.
| Tool | Purpose |
|---|---|
| cmux | Native macOS terminal for running multiple AI coding sessions |
| Claude Code | AI coding assistant (primary development tool) |
| GitHub Copilot | AI coding assistant |
| Crit | Browser-based inline code review |
| OpenSpec | Spec-driven development workflow |
The Journal is designed to be self-hosted. A single Docker Compose file gets you running:
curl -O https://raw.githubusercontent.com/trails-cool/trails/main/infrastructure/docker-compose.yml
docker compose up -dSee docs/architecture.md for details on self-hosting configuration.
- Privacy by design — The Planner collects zero user data
- Data ownership — Export everything, self-host, no lock-in
- Open source — MIT licensed, built on open standards
- Simplicity — Start simple, add complexity only when needed
Read more: docs/philosophy.md
Human contributions are welcome! This project is built with AI-assisted development (Claude Code + OpenSpec), but we value human judgment, design taste, and community input.
MIT