Yes, CalJ is free to use. It is available as a free plugin on WordPress.org.

How many websites use CalJ?

CalJ has 100 active installations as tracked by WordPress.org.

What are the best CalJ alternatives?

Popular alternatives to CalJ include WP Meta and Date Remover, Hide/Remove Metadata, WP Author, Date and Meta Remover. You can compare them side-by-side on our comparison pages.

Does CalJ work with the latest WordPress?

CalJ has been tested up to WordPress 6.6.5. It requires WordPress 4.9+ and PHP 5.6+.

CalJ — Reviews, Rating & Alternatives (2026)

Name: CalJ
Rating: 3.4 (5 reviews)
Author: calj

As of April 2026, CalJ is a WordPress date plugin with 100 active installations and a 3.4/5 rating from 5 reviews. It has been downloaded 3.7K+ times in total. Requires WordPress 4.9+ and PHP 5.6+. Available on WordPress.org since 2016. Top alternative: WP Meta and Date Remover.

3.4/55 reviews

100active installs

3.7K+total downloads

10 yearssince 2016

Overview

Use the popular CalJ API to display the begin and end times of Shabbat as well as the name of the week’s Parasha on your blog,
with the help of a simple shortcode

Read full description on WordPress.org