One Calendarto plan
A calm calendar for people and teams who value clarity over complexity. Keep your events organized with privacy-first defaults.
Clarity over complexity.
Nothing you don't.
Weekly planning
Drag, drop, and resize events quickly with inline editing for a smooth planning workflow.
Privacy-first defaults
No analytics by default, with optional end-to-end encryption for sensitive data.
Portable workflows
Import and export with .ics, .json, and .csv so your data stays portable.
Reliable sync
Optional cloud sync with PostgreSQL keeps your schedule consistent across devices.
Three simple steps.
Predictable planning.
1const event = {2 title: 'Design review',3 start: '09:30',4 end: '10:30'5}67calendar.create(event)
Built to stay
understandable.
Open-source foundations, optional PostgreSQL sync, and Clerk auth keep the system practical and transparent.
Practical details
you can verify.
Built around formats
and tools you trust.
Open standards and practical services keep migration and collaboration simple.
Built for clarity.
For real schedules.
Practical defaults make planning reliable: clean interactions, predictable behavior, and docs that explain the system.
Weekly-first UX
Optimized for weekly planning and quick edits.
Privacy-first
No analytics by default, optional E2EE when needed.
Portable data
Import and export with .ics, .json, and .csv.
Open-source
Transparent architecture and self-host friendly.
bun install
"One Calendar keeps our weekly planning focused. We spend less time managing tools and more time doing work."
Sarah Chen
CTO, Meridian Labs
Clearer weekly planning
Ready to simplify
planning?
Keep your schedule clear with privacy-first defaults, portable formats, and dependable sync.
No credit card required