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SIGit

Paid Self-hostedWeb

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SIGit's own site

What SIGit is

SIGit is a free, open-source service for creating, signing, and verifying documents and files. It runs in a browser on any device and can also be self-hosted. Documents are encrypted locally and available only to recipients named in the agreement. Participants can verify SIGit agreements directly, and a signing round can finish without an internet connection. An agreement may contain any number of signers and viewers. Participants can monitor signing status and receive notifications when the process is complete. SIGit supports creating, signing, and checking files from its browser interface, while self-hosting provides another way to deploy the service. Its source code is available under the AGPL licence. These capabilities cover multi-person signing workflows, verification needs, and situations where connectivity may be unavailable during signing.

Who it suits

SIGit suits individuals or teams that need browser-based document signing with multiple participants. It also fits organizations wanting self-hosting, local encryption, or offline signing.

What it does well

  • Free and open source
  • Browser access on any device
  • Local encryption for documents
  • Offline signing rounds
  • Unlimited signers and viewers

What to know first

  • Requires self-hosting for a self-managed deployment
  • AGPL licence applies to the code

Verdict

SIGit combines browser access, self-hosting, local encryption, direct verification, and offline signing. It is a practical option for multi-participant agreements where deployment control or intermittent connectivity matters.

Facts from SIGit's own pages

Browser access
Users can create, sign, and verify documents and files from any device with a browser. · sigit.io, 11 Oct 2026
Encryption
SIGit says documents are encrypted locally and accessible only to named recipients. · sigit.io, 11 Oct 2026
Multiple participants
A signing round can include any number of signers and viewers. · sigit.io, 11 Oct 2026
Offline use
SIGit says a signing round can be completed without an internet connection. · sigit.io, 11 Oct 2026
Open source
SIGit describes itself as open source, and says its code is licensed under AGPL. · sigit.io, 11 Oct 2026
Product
SIGit is a document signing and verification service. · sigit.io, 4 Oct 2026
Purpose
SIGit is a document signing and verification service. · sigit.io, 11 Oct 2026
Self hosting
SIGit describes itself as self-hostable. · sigit.io, 11 Oct 2026
Status and notifications
SIGit says users can track signing status and receive notifications on completion. · sigit.io, 11 Oct 2026
Verification
SIGit says agreements can be directly verified. · sigit.io, 11 Oct 2026

Where SIGit stands on Freedom251

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