Powerful slack-like open source group chat

htty is a console application for interacting with web servers. It’s a fun way to explore web APIs and to learn the ins and outs of HTTP.

Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting security vulnerabilities.

toxy is a fully programmatic and hackable HTTP proxy to simulate server failure scenarios and unexpected network conditions, built for node.js/io.js.

A 3D game engine for livecoding worlds into existence.

Fluxus is a rapid prototyping, playing and learning environment for 3D graphics, sound and games. Extends the Racket language with graphical commands and can be used within it’s own livecoding environment or from within the DrRacket IDE.

Overtone is an open source audio environment designed to explore new musical ideas from synthesis and sampling to instrument building, live-coding and collaborative jamming. We combine the powerful SuperCollider audio engine, with Clojure, a state of-the-art lisp, to create an intoxicating interactive sonic experience.

A collection of the best open data sets and open-source tools for data science, wrapped in an easy-to-use REST/JSON API with command line, Python and Javascript interfaces. Available as a self-contained Vagrant VM or EC2 AMI that you can deploy yourself.

Dotdeb is a repository containing packages to turn your Debian boxes into powerful, stable and up-to-date LAMP servers

Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.

The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.

This is a collection of JavaScript wizardry that can shave bytes off of your code.

Cliquet is a toolkit to ease the implementation of HTTP microservices, such as data-driven REST APIs.

diff images from the command line

gitfs is a FUSE file system that fully integrates with git. You can mount a remote repository’s branch locally, and any subsequent changes made to the files will be automatically committed to the remote.

Make text look italic or bold using nothing but raw Unicode characters

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

3T MongoChef, the GUI for MongoDB, lets you edit any MongoDB data type directly in a tree-view, table-view or as free JSON text. Visually add documents, fields and values of any MongoDB type with just a stroke of a key – anywhere in your document!

scmpuff makes working with git from the command line quicker by substituting numeric shortcuts for filenames.

diffoscope will try to get to the bottom of what makes files or directories different. It will recursively unpack archives of many kinds and transform various binary formats into more human readable form to compare them. It can compare two tarballs, ISO images, or PDF just as easily.

Firefox addon to simplify the use of temporary e-mail addresses in order to protect your real address from spam.