As of April 2026, Cal.com is a WordPress calcom plugin with 1.0K+ active installations and a 3/5 rating from 2 reviews. It has been downloaded 9.3K+ times in total. Requires WordPress 4.6+ and PHP 7.4+. Available on WordPress.org since 2022. Actively maintained — updated within the last month. Downloads are down 82% this week. Support resolution rate: 0%.
Cal.com is an open-source alternative to Calendly that allows easy appointment booking and meeting scheduling.
This plugin enables you to:
[cal url=”/username/meetingid” type=1]
Embed inline calendar.
[cal url=”/username/meetingid” type=2 text=”Schedule a call”]
Embed popup trigger button.
[cal_custom url=”/demo/30min” type=1 prefill=”true” utm=”source:localhost” ui='{“theme”:”dark”,”cssVarsPerTheme&…
This hasn’t been tested for WordPress version 6.9 and it didn’t work when I installed it. I just got “Error Code: 404. Call Link seems to be wrong.” and couldn’t resolve the issue. I suggest trying another solution.
If you haven’t heard of Cal.com, they’re a killer open-source alternative to Calendly (cal.com is a much better product design and UX wise, imo).
They just launched a WP plugin for easy integration on your WordPress site.
It definitely rocks and you should be using this plugin + product right away.
| WordPress | 4.6+ requiredTested up to 6.9.4 |
| PHP | 7.4+ required |
…and 1 more changes
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.