Ideolo - Ideolo is a web application that helps startups and entrepreneurs gather ideas, feature requests, feedback, claims and more.

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.

ProductLift - Hyper flexible voting boards, roadmaps, and changelogs for SaaS

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

Feature Monkey - The feedback tracker for building better features

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community