Reddit (stylized in its logo as reddit) is an American social news aggregation, web content rating, and discussion website. Registered members submit content to the site such as links, text posts, and images, which are then voted up or down by other members.
Stack Overflow, part of Stack Exchange, is a free, community-driven, reputation-based Q & A site for computer programmers. No membership is required to ask questions or provide answers to questions by others.
Slant is a product recommendation community that helps connect people with the best products for them. You shouldn’t have to waste time and money to find solutions to your problems. By collecting the knowledge of enthusiasts across the world through recommendations, we can...
People come to Quora to ask questions about any subject, read high quality knowledge that's personalized and relevant to them, and share their own knowledge with others. Quora is a place to share knowledge and better understand the world.
Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse topics from software programming to cooking to photography and gaming. We are an expert knowledge exchange: a place where physics researchers can ask each other about quantum...
A non-censored social platform where users are incentivized to contribute and curate content. The users decide what is valuable by voting, and content regarded valuable is rewarded with money.
Super User, part of Stack Exchange , is a Q&A site for computer enthusiasts that's free. Free to ask questions, free to answer questions, free to read, free to index, built with plain old HTML, no fake rot13 text on the home page, no...
Scoold is inspired by StackOverflow and implements most of its features. You can ask and answer questions, upvote and downvote posts, earn badges and reputation. Each edit creates an new revision, making it easy to follow the history of edits. Scoold is optimized for the cloud.
AllAnswered provides an all-in-one knowledge management system including an advanced Wiki and Questions & Answers (Q&As) with built-in workflow and knowledge life-cycle management to keep your knowledge base up-to-date.