SiteDiff makes it easy to see differences between two versions of a website. It accepts a set of paths to compare two versions of the site together with potential normalization/sanitization rules.
The integration layer between Behat 3, Mink Extension, and Drupal 7 and 8. It provides step definitions for common testing scenarios specific to Drupal sites.
An open source network traffic security testing tool to test whether devices or applications are safe against known TLS/SSL vulnerabilities and misconfigurations.
A useful set of modules to improve the admin UI or your Drupal site. I already use a lot of the modules on a 'standard site setup', but there were some I'd not used before.
Browse & search across multiple sets of API documentation offline. Available for Linux and Windows, inspired by Dash (OS X app).
A post looking at the troublesome subject of caching for authenticated users, with a focus on using the Authcache module as a solution.
A handy repository for storing & sharing your Drupal snippets with other drupal developers, themers and site builders.
Resources to help you prepare for doing the Drupal Certification offered by Acquia.
Organise your life with kanban style boards which you can be shared with those you wish to collaborate with.
An extentisive list of jQuery plugins along with demos and tutorials.
A giant, virtual kanban whiteboard that you can slap notes onto and collaborate with others.
Allows easy setup of a local Windows web development environment with Apache2, PHP and a MySQL. It also includes PhpMyAdmin for database management.
Optimise your JS files with this online compiler which features different optimisation levels. Once you have compiled your file it should still be gzipped to make it even smaller.