Live from WordPress.org · Sep 30, 2026
Best Central Authentication Service Plugins for WordPress
4 plugins are tagged “central authentication service” on WordPress.org. We rank them by active installs and score every one on update freshness, compatibility, ratings and support — so you can pick a safe one in seconds. The most popular right now is wpCAS with 100+ active installs.
| Rank | Plugin | Active installs |
|---|---|---|
| 1 |
wpCAS
wpCAS integrates WordPress into an established CAS architecture, allowing centralized…
|
100+ |
| 2 |
Cassava CAS Server
Cassava provides authentication services based on the Jasig CAS protocol.
|
30+ |
| 3 |
UTHSC WPCAS
Integrate Central Authentication Service (CAS) with WordPress
|
10+ |
| 4 |
wpCAS Server
Turns WordPress or WordPress MU into a CAS single sign-on authenticator.
|
10+ |
Top Central Authentication Service plugins, head to head
All comparisons →How we rank
Popularity first, then a health check you can trust
Plugins are ordered the way WordPress.org ranks them for this category. Next to each one you’ll see its health score, so a popular-but-neglected option never sneaks into your stack.
- 25 Update freshness
- 20 Works with the latest WordPress
- 25 Rating, weighted by review count
- 15 Support threads resolved
- 15 Active installs
Popular plugins categories
FAQ
Quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 30, 2026
What is the most popular central authentication service plugin for WordPress?
wpCAS is the most popular central authentication service plugin with 100+ active installs and a 0/5 rating on WordPress.org.
How many central authentication service plugins are on WordPress.org?
There are currently 4 plugins tagged “central authentication service” in the official WordPress.org plugin directory.
Are these central authentication service plugins actively maintained?
0 of the top 4 central authentication service plugins were updated in the last 30 days. Check each plugin’s health score for update freshness, WordPress compatibility and support responsiveness.
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