Gale Free Library

IT Tools

All the small dev and ops utilities you need in one place.

JSON Crack

Visualize complex JSON as an interactive node graph.

Regex101

Test and debug regular expressions with live explanations.

CodePen

Front-end playground for HTML, CSS, and JavaScript.

GitHub

The world's largest code hosting and collaboration platform.

Duolingo

The most popular language learning app — gamified and free.

Wikipedia

The free encyclopedia that anyone can edit.

Khan Academy

Free world-class education for anyone, anywhere.