| What it does | Professional email signatures, made in minutes
| Email marketing for developers. Paste a form, no backend, write in Markdown, run from your coding agent.
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| Stage | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: $0 forever (3 saved signatures, core templates, Signstamp branding included). Pro: $5/month billed $60/year (save 44%) or $9/month billed monthly (unlimited signatures, branding removed, contact capture, priority support). Lifetime: $49 one-time for Pro features forever (first 100 customers on
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| Key features | - Email signature builder with live preview and customizable templates
- 100+ searchable signature templates across professions
- Digital business card with QR code contact saving
- Video call banners for Zoom and Google Meet
- Click and view analytics on signatures and cards
- Group templates for role-based signature formats
- Deployment log to confirm team rollout completion
- Copy-paste to Gmail, Outlook, Apple Mail, and other clients
- Contact capture from business cards on Pro plan
| - Write campaigns in Markdown files
- Run broadcasts from coding agent over MCP
- Double opt-in on by default
- Automatic domain authentication with DNS setup
- Export subscriber data to CSV or JSON
- Lists and campaigns stored as repository files
- 30-day money-back guarantee on paid plans
- SPF, DKIM, DMARC authentication
- One-click unsubscribe and bounce suppression
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| What makes it different | - No credit card required to create and copy a signature
- Free plan is genuinely usable without watermarks or crippling limits
- Team deployment without enterprise complexity or sales calls
- Brand consistency with individual flexibility
- Minimal permission requests for email inbox access
| - Developer-first workflow with no dashboard required—set up forms, manage lists, and send campaigns entirely from your coding agent and repository
- More subscribers at lower entry price than competitors: 3,000 subscribers at $9/mo vs Mailchimp ~$13 for 500 or Kit ~$25 for 1,000
- Completely free tier with 100 subscribers and no credit card or trial clock
- Version-controlled campaigns as Markdown files reviewed in pull requests
- Open source platform with no backend infrastructure to maintain
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 19 | 0 |
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| Citation Flow (Majestic) | 20 | 0 |
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| Referring domains (Majestic) | 16 | 0 |
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Signstamp
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