CA · Canada
Free for all uses · Sync from $4/mo (annual)
Obsidian
Replaces: Notion, Evernote, Google Keep
Local-first knowledge base storing your notes as plain Markdown files on your own device—no vendor lock-in.
The Catch (read before switching): Not open source, has no native web app for browser editing, and losing your E2EE Sync password makes remote vaults unrecoverable.
Hard Constraints Checklist
- Open SourceNo
- Self-HostableYes
- Permanent Free TierYes
- Headquartered Outside USYes
- Zero Tracking / E2EEYes