01
Add to Calendar Links
Share
Best when... One fixed event needs a simple link people can open and save.
Also supports... The same event route can live in newsletters, social posts, and direct messages.
Calendar tools, without the guesswork
Find the right tool for your event workflow.
From one shareable event to calendar infrastructure at scale.
No signup. Four questions at most.Product decision helper
Find your match.
Start · Up to 4 questions
Start here
Four questions at most. One practical recommendation.
Tell us how the event is created, maintained, and used. We will point to the primary product layer or combination of layers that fits.
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Product comparison
Start with the primary fit. Add layers where they help.
02
Add to Calendar Button
Best when... A code-owned website or app needs a source-available save-to-calendar experience.
Also supports... It can be the user-facing layer beside system-generated event files.
03
Add to Calendar PRO
Manage
Best when... A team manages branded event or RSVP programs, pages, and follow-up actions.
Also supports... Managed programs can also include sharing and embedded save experiences.
04
Better ics
Generate at scale
Best when... You need dependable ICS generation at high volume and at a low price.
Also supports... Add a user-facing Button layer or controlled content workflows where they help.
Workflow examples
Recognize your starting point.
Send a launch event in a newsletter.
Create one stable event link and share it wherever the announcement lives.
Add “save to calendar” after checkout.
Own event data in code and place the save experience in your interface.
Publish a recurring event program.
Let marketing or operations manage pages, registrations, and follow-up without a deploy.
Generate an ICS file for every booking.
Produce events continuously from product data, with an optional embedded save step.
Use-case library
Have a specific problem?
Search practical guides directly when you already know the problem. If you are still choosing, the Setup Finder will guide you.
Browse use casesOur open-source heritage
See what Calendarverse is made of.
Our customer products are listed above. This is the workshop for technical people who want to inspect the foundations or build alongside the community.
Add to Calendar Button
The source-available UI engine behind dependable save-to-calendar experiences.
ELv2 license. Free for personal and commercial projects; not for a competing hosted or managed event-sharing service.TimeZones iCal Library
The Apache-2.0 time-zone foundation for dependable iCalendar files.
Open source under Apache 2.0.Access routes
Same guidance. More entry points.
Guidance for compatible AI assistants and agents.
Copy this URL and add it to your agent’s configuration as a Streamable HTTP MCP server.
https://calendarverse.org/mcpAsk AI about the best tool.
Start with a predefined Calendarverse guidance prompt in your chosen assistant.