Syncthing File Sync for Self-Hosted

Short summary

Syncthing is a peer-to-peer file synchronization tool useful for self-hosted knowledge systems, avoiding cloud vendor lock-in. The article explains its architecture, good use cases like syncing Obsidian vaults and project notes, and cautions that Syncthing is sync infrastructure, not a backup solution. Proper setup requires separating sync, backup, and knowledge-tooling roles.

• •Syncthing offers P2P file sync without cloud lock-in for knowledge workers
• •Best for syncing markdown notes, PDFs, and project files across trusted devices
• •Not a backup — sync replicates mistakes; keep backup and sync roles separate

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