Quiver - Quiver is a notebook built for programmers.

Padlet - Visual boards for organizing anything.

SnippetsLab - SnippetsLab is an easy-to-use snippets manager.

Popplet - Popplet is the simplest application to capture and organize your idea.

GitHub Gist - Gist is a simple way to share snippets and pastes with others.

Quizalize - Quizalize is a leading web-based and mobile-based classroom application that delivers the best and easiest way to differentiates your teaching.