Free email signature generator for Gmail, Outlook and Apple Mail
Fast, private, yours. A workspace ready for any AI.
Stage
Not given
Not given
Founded
Not given
Not given
Based in
CZ
US
Pricing model
Not given
Freemium
Pricing
Free: 3 designs, logo and colors from website, works in Gmail/Outlook/Apple Mail, includes small "Made with Signguin" link. Premium: $12 one-time payment (not a subscription) includes photo in signature, all designs, removes branding link, adds action buttons, banners and Save contact.
Koru Local: free. Koru Cloud: $9.99/month for 100 GB storage, always-on sync and backup.
Key features
Automatically pulls logo and brand colors from your website
Multiple designs for different industries
Works with Gmail, Outlook, Apple Mail, and other email apps
Email-safe code that displays correctly in Outlook
Dark mode compatible
Mobile-optimized layouts
Action buttons and banners in Premium
Offline-first notes with local database storage
Peer-to-peer sync between devices with end-to-end encryption
AI agents as tabs using MCP (Model Context Protocol)
Local voice input that works offline
Terminal and coding agent tabs beside documents
Multiple profiles for work, school and personal use
Native apps for Windows, macOS and Linux
Markdown import and export with code blocks
What makes it different
Free with no sign-up required, works immediately without account creation
Automatically extracts branding from your website in seconds
Premium is one-time payment, not a subscription
Free and fully open source with code on GitHub under MPL-2.0 license
Works completely offline with no account required
Bring your own AI without vendor lock-in
Local voice input that never sends audio to the cloud
Peer-to-peer sync without a server holding your notes
Signguin
Koru