How-To Geek is an online portal focused on creating technology related content. ...more

SCI-HUB is a portal for finding research papers among millions of research papers. ...more

Babylon is a computer dictionary and translation program. ...more

Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve. ...more

scrible is a research platform for school and work. ...more

WikiLeaks is an international non-profit organisation that publishes secret information, news leaks. ...more

Converber is a unit converter. ...more

zuknow is a social flashcard app. ...more

Instreamia provides online courses. ...more

Yandex.Translate (Yandex.Translation) is a web service for the translation of text or web pages into another language. ...more

Calcbot is a intelligent calculator and unit converter. ...more

iTunes U is an educational platform for iTunes. ...more

Yahoo! Answers is a community-driven question-and-answer (Q&A) website. ...more

CodeCloud.me is a platform for learning programming. ...more

Desmos is an online graph plotting app. ...more

NimbleNotes is a note-taking app. ...more

FCorp English Dictionary is a portable English Dictionary that uses various search methods. ...more

TalentLMS is a SaaS eLearning platform. ...more

Coderbyte is a web application that helps you practice your programming skills, prepare for coding bootcamps, and prepare for job interviews. ...more

Spoj is an online judge system with over 315000 registered users and over 20000 problems. ...more

AskBot is a Django/Python Q&A forum. ...more

Referata offers hosting of semantic wikis, allowing you to add, structure and store data so it can be managed, shared, browsed and analyzed in as many ways as you choose. ...more

ThinkTutorial provides tutorials on technology, hardware, software, etc. ...more

Wooclap is a collaborative platform for your conferences and your training sessions. ...more

eXtrigo is a knowledge-based online community. ...more

BABADADA.com is a visual dictionary platform. ...more

OpalCalc is an interesting combination of a scientific calculator and a spreadsheet, which comes packed with features. ...more

VocApp.com is a vocabulary improvement software platform. ...more

Airing Pods helps you discover audio shows and podcasts. ...more

TinySpell is a free tool that checks spelling in any program. ...more