GitProof vs Spacemail for Claude
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
GitProof compared with Spacemail for Claude
| Detail | G
GitProof | 
Spacemail for Claude |
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| What it does | Cryptographically verified repository authorship and timestamping for legal and audit evidence
| Free MCP connector for Claude to access Spacemail email
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | US
| GB
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| Pricing model | Freemium
| Open source
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| Pricing | Community: Free. Pro Solo: $79 one-time (perpetual v1.x license) or $29/mo, $290/yr subscription. Team & Agency: $99/mo or $990/yr (up to 10 seats).
| Free
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| Key features | - RFC 3161 notarization from DigiCert and Sectigo time stamp authorities
- Merkle DAG provenance with SHA-256 tree hashing
- FRE 902 self-authenticating PDF certificate generation
- 100% offline verification with open-source verifier
- Automated Git hooks for pre-push cryptographic sealing
- CLI and native Git plugin integration
- CI/CD workflow automation for repository sealing
- Dynamic SVG authorship badges for README files
- Corporate entity binding and custom LLC configuration
| - Check new mail across all mailboxes with message previews
- Search emails by sender, subject, words or date
- Read full email messages with attachment names
- Draft threaded replies and new emails saved to Drafts
- Mark messages as read or unread and flag important ones
- Archive, move or delete messages to Trash
- Works with Claude Desktop, Claude Code, Cursor and Windsurf
- Support for up to three mailboxes
- Drafts saved for manual review before sending
- Data stays on your computer, not collected by Norwich Website Design
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| What makes it different | - Cryptographic evidence under U.S. Federal Rules of Evidence 902 and 28 U.S.C. § 1746
- Human authorship defense for copyright and M&A intellectual property verification
- Fully offline and open-source verification with zero external dependencies
- Enterprise-grade legal compliance for litigation and M&A due diligence
| - Free and open-source under MIT licence
- Email content marked as untrusted to prevent phishing attacks
- Deleted messages go to Trash, not permanently deleted
- Independent project not affiliated with Spaceship or Spacemail
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| Free plan | Not given
| Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 44 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 19 | 4 |
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| Referring domains (Majestic) | 10 | 3 |
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6 details filled in for both companies.
More alternatives to GitProof More alternatives to Spacemail for Claude