Knowledge Base Websites
userecho.com
Online customer support solution - Feedback Forum, Helpdesk (ticketing service), Knowledge Base and Live Chat by UserEcho
15,447 
$ 869,040.00
pbworks.com
PBworks lets your team capture knowledge, share files, and manage projects. It tracks every change, and automatically notifies you and your team to keep everyone in the loop....
10,737 $ 1,250,640.00
kommunicate.io
Kommunicate is a customer communication software for growing businesses for building long-lasting customer relationships that drive growth.
449,272 $ 8,280.00