Ques Answer brings together people from different worlds to answer the same question, in the same place and to learn from each other.
Quora - Quora is a place to gain and share knowledge. It's a platform to ask questions and connect with people who contribute unique insights and quality answers.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
Hack App Data - Hack App Data app is an advanced data editor that provides features to enable users to edit the files saved in their phone’s internal storage by a large number of third-party apps.
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Super User - Super User, part of https://alternativeto.
Ask Me Help Desk - Ask Me Help Desk is a question-and-answer site.