This is a really broad question. Some of the 3rd party vendors around the UCCE space are: Zoom, Calabrio, 2Ring, Upstream Works, Teleopti, Verint, NICE, just to name a few.
We (CommSouth) are a third party solution provider for Cisco UC and Contact Center space.
We can offer UCCE customized reporting capabilities based on your requirement, plus we can also offer Call Recording Solution, Wallboard/Dashboard, Finesse Gadgets, CRM Connectors, etc.
Fore more details, please visit www.commsouth.com and you can contact me at email@example.com.
Head - Business Solutions