WPMUdev by alvarogois
http://premium.wpmudev.org/blog/powerful-must-have-tools-for-every-wordpress-developer/
WordPress.org plugins
Theme Check
by WordPress.org
updated 2 days ago
2.5 million downloads
20,000 active installs
Rating: 96 / 100 (195 ratings)
Advanced Custom Fields (ACF®)
by WP Engine
updated 3 days ago
75.3 million downloads
2 million active installs
Rating: 90 / 100 (1437 ratings)
User Switching
by John Blackbourn
updated 45 days ago
6.1 million downloads
200,000 active installs
Rating: 98 / 100 (238 ratings)
Regenerate Thumbnails
by Alex Mills
updated 367 days ago
22.8 million downloads
1 million active installs
Rating: 92 / 100 (395 ratings)
Developer
by Automattic
updated 3189 days ago
203,312 downloads
900 active installs
Rating: 94 / 100 (18 ratings)
Monster Widget
by Automattic
updated 3207 days ago
161,742 downloads
700 active installs
Rating: 100 / 100 (8 ratings)
Woocommerce Monster Widget
by alispx
updated 3989 days ago
4,993 downloads
10 active installs
Rating: 100 / 100 (2 ratings)
Custom plugins
There are no custom plugins in this collection.