20Q is an object, a website, a company, and a phenomenon. It first gained popularity as an online game (20Q.net) where users log onto the website and play against an artificial intelligence (A.I.) foe. Players think of an animal, vegetable, mineral, or other object and 20Q...
Acadly helps educators boost engagement inside and outside the classroom, and record attendance at the tap of a button. It is free for higher education, and saves students thousands of dollars per semester on expensive polling app subscriptions.


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Q&A platform software for teams at any scale. Whether it's a community forum, help center, or knowledge management platform, you can always count on Apache Answer.


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QueryHome is a Knowledge Social Network for people to come together and ask technical doubts and contribute by answering questions, solving doubts and writing articles.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android
- Android Tablet





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Discover a new era of meaningful discoveries with ONVO – the ultimate creative app designed to strengthen bonds and spark creativity!
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad


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Platform for sharing views on various topics. Each topic is built by all participating users, not only one. Users can add content to it and the topic will always be made of the most upvoted content, acting like a dynamic post, which is then shown on personalized feed.

Slido is the industry-leading audience interaction platform. It helps users to get the most out of meetings and events by crowdsourcing top questions and engaging participants with live polls and quizzes.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone


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The most complete, simple and intuitive audience responses system that helps you engage your audience during a live conference, a corporate meeting or inside a classroom.


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Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- iPad


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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.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- Windows Phone
- iPad
- Software as a Service (SaaS)


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Zaqa is a Question & Answer based social network. Create your profile, ask other users and answer the anonymous questions.


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Ask questions, get live answers from your network! Aardvark finds the perfect person to answer any question in real-time.


Help each other — with the main features from StackOverflow, Discourse, Slack, Reddit, and Disqus.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application type
Platforms
- Self-Hosted
- Software as a Service (SaaS)
Cost / License
- Free
- Proprietary
Application types
Platforms
- Windows
- Linux
- Android
A Reddit-like hub for gamers offering karma, post trends, and discussions on games, memes, and pop culture. Explore with upvotes, downvotes, and free speech.



OSQA is the free, open source Q&A system you've been waiting for. Your OSQA site is more than just an FAQ page, it is a full-featured Q&A community. Users earn points and badges for useful participation, and everyone in the community wins.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Online
- Self-Hosted
- Python
- Django

Askbot is a Q&A system, like StackOverflow, Yahoo Answers and some others. Askbot is based on code of CNPROG, originally created by Mike Chen and Sailing Cai and some code written for OSQA.
Cost / License
- Freemium
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Online
- Self-Hosted
- Python
- Django

Tellonym is the most honest place on the internet. See what your friends think of you, answer anonymous questions and ask others the things you have never dared before.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone



Faabul helps you design engaging quizzes and interactive presentations. Thanks to that you can engage with your audience and gamify your presentation. Faabul allows you to show live results for each question, providing instant feedback to your audience and keeping them...
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- iPad


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Guessless is a modern, AI-powered interpretation of the classic 20 Questions game. While traditional bots rely on static databases, Guessless utilizes advanced neural logic to engage in real-time deduction, making every round unique and unpredictable.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)


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A Premium Online CBT Practice App suitable for JAMB CBT Practice,Post-UTME CBT Practice , WAEC ,NECO, IJMB, PRE-DEGREE exams CBT Practice, JUPEB and many More... for free!
Cost / License
- Free Personal
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Windows Mobile
- Android
- iPhone
- Java Mobile
- Blackberry
- Chrome OS
- Windows Phone
- Blackberry 10
Killexams exam simulator is a great alternative to the vumingo and other exam engines. First of all, the software is free. You just need to get .sis files from killexams.com and open with exam simulator. It is great software.

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.
Cost / License
- Paid
- Proprietary
Platforms
- Online






































































