UserVoice!

UseResponse is a fully customizable, customer feedback software and support ticketing system with open code that you can place on your server or use in cloud.It can be used as FAQ, ideas bank, bug tracking system, testimonials or all-in-one support software.4 Platforms: feedback with ideas, help desk with ticketing, knowledge base, live chat with messengers

Freshdesk is an award-winning, online help desk software that allows you to support customers over email, phone, the web or even through Twitter and your company's Facebook page. With Freshdesk there is nothing to download or install, you don't have to worry about server upgrades/patches and your agents can support customers from anywhere. Popular features include:

PHPBack is a web application made with PHP/MySQL that you can easily implement into your website. It gives your customers a way to communicate their ideas to improve your products. User feedback has proved to be really effective even if you have a community project or a commercial project. Since PHPBack is an open source project under GNU GPL, you can download it for free and modify it if you want.

UserEcho gives you the opportunity to create a modern Community to support customers in a few minutes. It includes support forum with the possibility of voting for ideas, Helpdesk, Knowledge Base and Online Chat.

User or customer feedback system with voting facility about proposals done by users. Similar function as the UserVoice system.

UserReport is a free online service that enables website owners to make quick and fun online surveys and collect user feedback with the online feedback button and forum. With the UserReport online survey you are able to get fast answers to almost anything you want to ask your website's visitors. UserReport even integrates with Google Analytics which allows you to segment your visitors by the demographic information collected in your online survey.The user feedback forum enables your visitors to engage with your website and post new ideas for improving the website. Users may vote on other people's ideas which gives the webmaster a prioritized list of new ideas on how to improve the website.The click tracking and heatmaps from UserReport even allows you to see where people click on your website.Everything is presented to you in beautiful reports which can be exported to PDF and even shared with friends and colleagues. »

Idea Informer is a idea forum similar to uservoice or getsatisfaction. Individual forums are created as subdomains of idea.informer.com and there is a widget to include a feedback overlay that the web page users can use without leaving your site.

Customer feedback, employee engagement, lead followup - Responster is the survey creation tool with businesses in mind.

Jitbit HelpDesk is helpdesk software that has same price for ANY number of technicians. And it has everything a help-desk needs: 2-way email integration, asset tracking, knowledge base, file attachments and more.

WoltLab Suite (formerly Burning Board) is an enterprise grade CMS built for communities and forums.

Pubble is the world's best Q&A platform. We make it simple and easy to add a great Q&A platform to any blog, website or Facebook page.

With an innovative user interface, studied to offer a completly streamlined experience, Deskero takes care of the clients in the most simple and straight forward way, through both the traditional channels (mail and web) and the newest social media.

Create Online Forums and Communities for Customer Support, Gathering Ideas and for Close-Group and for Intranet Collaboration