Where humans and AI agents work together in one connected workplace
Write a digital love letter, seal it, and send a private link
Stage
Not given
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Founded
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Based in
US
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Pricing model
Freemium
Free
Pricing
Standard $10/user/mo, Professional $18/user/mo, Business $25/user/mo (annual billing, minimum 20 seats), Enterprise custom pricing. All plans include unlimited tasks and messages.
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Key features
Projects, tasks, and integrated chat in one place
Task-based discussions with threaded conversations
Named AI Agent Users with roles and scoped permissions
Connect any MCP-compatible AI agent
Searchable activity history with audit trail
Reversible agent actions with rollback
Multiple project views (list, table, board, calendar, timeline)
Integrations with Slack, Google, Microsoft, Figma, GitHub and more
Mobile and desktop apps
Document storage with file integration
Nine letter templates with distinct designs
Add up to ten photos
Built-in music library
Record or upload voice notes
Schedule letters to unlock at a specific time
Custom private links
QR code generation and sharing
No account required to send
No app or sign-up required to receive
What makes it different
Unified workspace eliminates tool-switching and context reassembly
Oversight and control built in from the start
Any agent from any model can be brought in via MCP
Conversation attached to work keeps decisions in context
Nine distinct templates each with unique envelope, seal, paper and handwriting styles
Completely free with no sign-up required
Sealed envelope experience that unfolds when opened
Scheduled delivery with countdown seal
Completely private letters marked noindex from search engines