Easy WP Cleaner is user friendly plugin to clean unnecessary data from WordPress database and also allows you to optimize your WordPress database.
Housekeep expired transients from your options table
Simple Fragment and Object Caching using WP Transients API
WP-Sweep allows you to clean up unused, orphaned and duplicated data in your WordPress. It also optimizes your database tables.
delete old, expired transients from WordPress wp_options table
Safest and simplest transients garbage collector.
Deletes ALL transients from ALL sites in a Multisite.
Improve website performance by caching widget output in WordPress transients.
Shave off a few milliseconds on your site loading time
Provides a simple function for creating safe transient names.