Tarzeer has been discontinued. Similar sites and apps include Reddit, which has a free version. Other options are Quora, Stack Exchange, Aether and Answers.com. In total there are seven Q&A Services like Tarzeer for Android, iPhone, iPad, Windows and Linux.
An extensive platform for user-shared content and discussions, organized into niche 'subreddits' across numerous interests like news and video games, with a dynamic voting system influencing what appears on the front page.
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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.
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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...
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Open source, self-governing communities with auditable moderation and mod elections.
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Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.
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