themezwp

NOTE: This plugin is meant for use with the WordPress themes developed by <a href="http://themezwp.com" rel="nofollow ugc">Themez WP</a> theme Promote, which take advantage of it to add service Block, client, and team member, counter. Check them out!

Unicon extensions

support for special content types in your website, such as a service Block, client, and team member.

codeins

Advance Sections For Cosmica Theme. Cosmica need this plugin to support Slider, projects, clients, client logo, services sections. 
link to cosmia theme https://wordpress.org/themes/cosmica/

Unicon extensions vs Cosmica Advance Sections