UseResponse - Open-source, self-hosted customer feedback software, live chat and helpdesk system that you can install on your server. Organize documentation using knowledge base and get feedback from social networks with centralized system

Monkkee - Keep a private journal securely on the Internet – to provide a convenient user experience your...

Nolt - A fast & beautiful way to collect user feedback

The Guide - The Guide is a two-pane outliner - a program that allows you to arrange text notes in a tree-like...

UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.

Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.