
Blurtopia is a free, fun, and useful app which helps you answer life’s little questions on the go - from which shoes should you wear to the party, to which way should you hang the toilet paper, to is pineapple on pizza tasty or a sin.

Opinsy helps you create, promote and express your opinions, beliefs and ideas online. Opinsy want to help you change the world, one opinion at a time.

AnybodyOutThere help users easily find other like-minded people to chat without first having to search through numerous forums and endless chatroom wastelands. The site connects individual users based on their thoughts and interests with people outside of their social circle of friends.

Create a box where friends can ask questions anonymously. Post your responses to Tumblr, Twitter, Facebook or your blog.

Solvr helps you structure your thoughts clearly. You can solve problems also together with others. Nobody can access your Solvr without its cryptic URL.

Wolfram|Alpha's long-term goal is to make all systematic knowledge immediately computable and accessible to everyone. It aims to collect and curate all objective data; implement every known model, method, and algorithm; and make it possible to compute whatever can be computed about anything.

Ekoloko is a educational, virtual community where kids discover the world, virtual and real, through fun games and quests, while absorbing the values, knowledge and skills that will help them become more responsible and involved individuals.

Hunch is a decision-making tool, built by its users. In ten questions or fewer, Hunch gives you its best hunch of what you would like.

TwTip created a bot which fetches all new tweets and picks the best valuable tips for you. With its lovely and simple interface, you can easily find tweet tips in any subject, like Photoshop, Macintosh, and even cooking or health.

Plinky makes it easy for you to create inspired content. Every day it'll provide a prompt (i.e. a question or challenge) and you answer. Pllinky makes it simple to add rich media and share your answers on Facebook, Twitter and blogs.

Fluther thinks there’s still nothing better than getting an answer from a person. Therefore, they made it easier for you: just ask Fluther, and they'll direct your question to people who can help. Simple as that.

Sparkeo is a knowledge transfer solution for Infopreneurs professional knowledge entrepreneurs such as lecturers, teachers, bloggers and consultants.Sparkeo provides Infopreneurs with a one-stop-shop for the all the tools necessary to create, communicate, market, monetize and analyze their professional instructional content.

Socialcast helps your employees communicate more effectively by creating private, online communities for businesses of all sizes. The on-demand software helps you quickly and easily share questions and ideas, find information, resources, and collaborate in real time.

WePapers helps students and others share and expand their knowledge. You can find and download the papers and documents you need in a matter of seconds, discuss them with others, or just mess around.

Koofers provides an interactive community that serves the academic needs of college students through information sharing. Students benefit from collaboration with their peers and the experiences of former students. Many helpful services span the entire academic calendar from course selection through final exams, and include collaborative note taking, course & instructor ratings/grade distributions, and an online library for sharing past exams & study materials.

Eduslide offers either a public learning content management system (LCMS) to create, upload and control access to e-learning content, or a download of the open source version.

Zotero is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources. It lives right where you do your work - in the web browser itself.

cmypitch is a social network for small business. It connects you to people who can help your business succeed. Find out how the most successful entrepreneurs made their mark and get the inside knowledge.

Bukisa is a platform for creators to share their work and knowledge. These creators contribute with articles, videos, podcasts, etc. The contributors enjoy wide publicity for their work, and revenue sharing from advertisements profited on their pages.

The Knol project is a site that hosts many knols — units of knowledge — written about various subjects. The authors of the knols can take credit for their writing, provide credentials, and elicit peer reviews and comments. Users can provide feedback, comments, and related information. So the Knol project is a platform for sharing information, with multiple cues that help you evaluate the quality and veracity of information.

Posteet is a social network for developers where you can share snippets, codes and tips:- Store all your favourite tips, tricks, codes and snippets in one place, accessible from anywhere.- Share your tips with everyone, friends FROM your watchlist or just keep them private.- Tag your tips with as many labels as you want, instead of wrestling with folders.

ResearchGATE is a web 2.0 platform designed for the need of researchers. With this new platform ResearchGATE want to change the world of science by providing a global and powerful scientific web-based environment, in which scientists can interact, exchange knowledge and collaborate with researchers of different fields.

DecisionStreet is designed to help you make difficult decisions - with outcomes that matter. It's aimed broadly at the big issues of life such as health, wealth, career, education, and family. The core of the service is built on academic and real world principles and processes for making difficult decisions.

UserVoice adds structure to feedback and reduces the overhead of an honest dialog with the users - It creates a market around good ideas so we get more quality than quantity.

WOT, short for "Web of Trust," is a community whose members exchange knowledge of websites: Can they be trusted? Are they safe to use? Do they deliver what they promise? If a site has a bad reputation, WOT will warn you - and save you a lot of trouble.

uTIPu strives to become the easiest-to-use know-how capturing and idea sharing social network service. The product and service enable people to record their activities on PCs as videos and share them as help tips with one another (hence the name uTIPu, as you-TIP-you).

TakeLessons is America's premier network of certified, professional instructors for leisure activities such as music lessons, dance classes, vocal coaching, painting, languages, personal training, and yoga. If you're interested in having fun and learning something new, then this is the place for you. All types of students are welcome: everyone from the hobbyist to the professional, beginner to advanced.

Edmodo creating free online tools for the education community. The first one is a communications tool for Schools, Teachers, Students, and parents for use in classroom.

Ggoal is a search engine based on human intelligence, created by users and for users, with the sole aim of offering added value to the web knowledge through the free user-created content.

ArenAsia is a good way to get ahead in Asia. Professionals use ArenAsia to cultivate business relationships, promote their skills or services, and share insights, opinions and information through discussion groups, event listings, marketplace and knowledge base.

Picktastic brings the excitement of sports betting to casual and avid sports fans by challenging them to prove that they know their sports. Members of the site, aptly referred to as "Pickrs," pick which professional and collegiate teams will win for upcoming games, and score points based on their accuracy. These points are used to help boost their rankings against their friends and other Pickrs. Points can also be wagered against opposing Pickrs prior to a game beginning.

ProjectOffice.net is an online project management solution used by professionals and teams to manage and collaborate on projects successfully. With ProjectOffice.net project managers can create projects and tasks, assign tasks to project members, track time, expenses and issues. The entire project team can collaborate and share knowledge using wikis.

MindBites is your place on the web to learn directly from other real people and share what you know with the world. A self-publishing platform and social marketplace for instructional content, MindBites enables people to share their unique knowledge, skills and passions through audio and video lessons, earning money for themselves or for charity.

VuFind is a library resource portal designed and developed for libraries by libraries. The goal of VuFind is to enable your users to search and browse through all of your library's resources by replacing the traditional OPAC to include:- Catalog Records- Digital Library Items- Institutional Repository- Institutional Bibliography- Other Library Collections and Resources

UnLtdWorld is an online platform that aims to connect social entrepreneurs and enable them to share content and build collaborative value, raise the visibility of ideas, issues and projects, and help generate greater positive impact in the real world.

YourStreet is a vibrant community of homeowners, buyers and renters sharing inside knowledge about their local neighborhoods. Discover a new neighborhood or share knowledge about your own. Track local real estate conditions in your area - what's selling and what's not. Connect with neighbors across the country and find out what a neighborhood is really like.

Podobo is about ideas and thoughts. It's about finding out what people are thinking and, linking them together. It is a A sort of micro-blog, mini-blog, blog-lite environment...

Graspr is a social media and learning company building an interactive, online community that enables people to connect and share their life experiences and expertise with people who are seeking it. The community is built around topic-specific videos in a variety of interest categories, such as health & fitness, home & garden, crafts, sports, and many more.

Sclipo is a website to share videos about everyday knowledge among everyday people. Sclipo makes finding them that little bit easier in the current tidal wave of online video content, but keeps the whole process dynamic, fun, and completely user generated and assessed.

At Free IQ, the emphasis is placed on exchanging valuable information not frivolous entertainment. A unique feature enables site visitors to make purchases directly from a content provider. The product purchased could be additional video information, audio CD’s, E-zines, E-newsletters or even physical products. Free IQ processes each transaction and collects a modest commission.

WiZiQ is a free online collaboration platform for teachers and students: - Build teacher and member profiles, network and interact - Collaborate for synchronous teaching and learning through the virtul Classroom - Upload and share tutorials - Use the Virtual Classroom with external LMS like Modle - Access recorded sessions for asynchronous learning

helpfulvideo is a website to share videos about everyday knowledge and skills among everyday people. It is beter to see ones than to hear or reed ten times. share your skills, how-tos, tutorials, advice, tips & tricks - with friends, family and the whole world.

Quibblo is about people who are similar to you and about people who are totally different. It is about friends and strangers and content and knowledge. It is a place for you to create and interact with quizzes, polls, surveys and content around the topics that are of interest to you. Test your trivia knowledge, survey your fellow web surfers for their opinions or quiz your friends to see how well they really know you.

5min is a place to find short video solutions for any practical question and a forum for people wanting to share their knowledge. 5min aims is to create the first communal Life Videopedia allowing users from all over the globe to contribute their knowledge by sharing visual guides covering variety of subjects.

Salary builds on-demand software around a deep domain knowledge in the area of compensation to help customers win the war for talent by simplifying the connections between people, pay and performance. Salary's cutting edge technology is integrated with actionable data and content, empowering customers to make the best decisions about pay and performance and help them to attract, motivate, reward and retain top performers.

MegaBuzz is a Web site, where users can ask questions, share opinions, and choose sides on hot topics for points and prizes. MegaBuzz fills a gap in the social media space by bringing together people, viewpoints, and money.

mySchoolog is an online service that primary, high school and university students can organize their school life online. They can save their notes, to-dos, files and schedule. They can export data and carry with them. Also students can access their mySchoolog account from home, school and everywhere... It's all comfortable usage and practical navigation designed for students. Mobile access is available too.