Create open letters that matter
Write, share, and collect verified signatures for causes you believe in.
Create your letterHow it works
1
Write your letter
Use the markdown editor to craft your message. Add co-authors and configure signature fields.
2
Share the link
Publish your letter and share the unique link with your audience.
3
Collect signatures
Supporters sign with email verification. Track progress from your dashboard.
Recent letters
Open source. Self-hostable. Privacy-conscious.
OpenLetter is free and open source. Host it yourself or use our platform.
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