Best post relationships plugins for WordPress
The most popular post relationships plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Custom Post Types Relationships (CPTR) leads with 300+ active installs, ahead of Custom Post Relationships (CPR) (10+) and RIS Related Post (fewer than 10). All 3 plugins tagged “post relationships” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 3 post relationships plugins
- 1.
Custom Post Types Relationships (CPTR)The most installed post relationships plugin, with 300+ active installs. Only 2 reviews so far, last updated 4 years ago. Tested only up to WordPress 6.0.18.
- 2.
Custom Post Relationships (CPR)10+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 3.0.5.
- 3.
RIS Related PostFewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.7.11.
All 3 plugins tagged “post relationships”
Custom Post Types Relationships (CPTR)
Up in the last 7 days:12#10,385by Anastis Sourgoutsidis4 years ago
This plugin will let you create custom post relationships among posts, pages and custom post types.
- Installs
- 300+
- Rating
- 5.0(2)
- Downloads
- 0/day
Custom Post Relationships (CPR)
Down in the last 7 days:605#34,241by Gerasimos Tsiamalos16 years ago
This plugin will let you create custom post relationships.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
RIS Related Post
Down in the last 7 days:24,354#74,032by Md Taufiqur Rahman1 year ago
Easily display related posts with thumbnails below your content, boosting engagement and SEO.
- Installs
- <10
- Rating
- –
- Downloads
- 1/day