Open source · Self-hostable
Modern proposals, signed.
Send beautiful, signable proposals in minutes. Build with our drag-and-drop editor, track engagement, and close deals faster — without the DocuSign bill.
Trusted by modern teams
Everything you need
Built for teams that sign a lot of things
From first draft to countersigned PDF, Proposo covers the entire proposal lifecycle — in one open-source, self-hostable platform.
Beautiful editor
A modern drag-and-drop editor that feels like Notion. Blocks, tables, pricing, images — everything you need to write a killer proposal.
Track every click
Know the second your proposal is opened, scrolled, and signed. Real-time notifications keep you in the loop.
Legally binding e-signatures
Full audit trail, tamper-proof hashes, timestamp authority support. Meets eIDAS, ESIGN, and UETA requirements.
Templates & workflows
Create reusable templates for your team. Automate approval chains, countersignatures, and follow-ups.
Self-hostable
Run it on your own infrastructure. Your data stays yours — no third-party processors, no surprises.
Open source
MIT-licensed and built in public. Fork it, extend it, audit it — or use our hosted service.
Live demo
Try it right here
No signup, no download. This is the actual Proposo editor, running in your browser with a sample proposal loaded in. Click anywhere and start editing.
The editor
Write proposals like you write docs
Proposo brings the Notion-style editing experience to proposal writing. Drag blocks, paste tables, embed images, and drop in reusable pricing components — all without fighting a PDF.
- Slash menu for quick block insertion
- Reusable template library
- Version history on every document
- Real-time collaborative editing
The signing flow
Signing that feels modern
A signing experience your clients actually enjoy. Mobile-first, accessible, and lightning fast. No account required for recipients.
- Typed, drawn, or uploaded signatures
- Multi-recipient ordered signing
- Audit trail exported with every PDF
- Accessible to screen readers
The numbers
“Switching to Proposo cut our proposal turnaround from three days to under an hour. The editor alone is worth the switch — the fact that it’s self-hosted is just a bonus.”
Frequently asked
Questions, answered
Ready to ship
Send your first proposal in minutes.
Free to self-host, free to try on our hosted version. No credit card required.