this post was submitted on 02 Apr 2026
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I need to add booking to my website. I stumbled upon cal.com which seemed great. However I've run into 2 issues.

My current options for calendars are Protonmail and cpanel/webmail/roundcube.

cal.com doesn't really work with either of these. For proton its mostly on proton's side, their calendars are read-only externally + a bit buggy: https://github.com/calcom/cal.com/issues/5756

Roundcube uses caldav, and cal.com's support is still in beta with most caldev's being unsupported: https://github.com/calcom/cal.com/issues/3457

Roundcube got me the farthest but the booking emails just don't get sent and the calendar event pops up maybe an hour later + there's 75% the booking just doesn't work. I was told this was the calendars fault 😂.

SO

Are there any selfhosted calendar implementations that support ics feed, external viewing ,etc etc that I can throw on a standard webserver?

Or are there any better foss booking systems?

I just need to book clients and connect it back to a working calendar that's not locked to a desktop. I thought this would be a solved problem in 2026...

I'm not trying to pay for yet ANOTHER software on top of business mail, and a webserver.

Thanks.

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[–] tvcvt@lemmy.ml 1 points 4 months ago (1 children)

I’ve been using Odoo CE for some projects and I know that it has apps for scheduling and booking, but if you want to add this to an existing website, that may be overkill.

What platform does your site use? That may help target some suitable options.

Also, check out this list and you may get some ideas: https://github.com/awesome-selfhosted/awesome-selfhosted?tab=readme-ov-file#booking-and-scheduling

[–] VanillaWasp@lemmy.dbzer0.com 1 points 4 months ago (1 children)

Odoo seems super heavy for my use-case but thanks for sharing. Never hurts to have backups. easyappointments doesn't seem too bad.

The site is basic wordpress atm and I've got a separate server for hosting webapps.

[–] tvcvt@lemmy.ml 2 points 4 months ago

Yeah, I sort of figured it’d be too much. It looks like there are a bunch of booking plugins for Wordpress. That’s definitely where I’d start my search in your shoes.