TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
Firebug Lite : A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.
Ember.js : Ember.js is an open-source JavaScript web framework, based on the Model–view–viewmodel (MVVM) pattern. It allows developers to create scalable single-...
Filtrr2 : Filtrr2 is a JavaScript image manipulation library. Think of it as Instagram filters on the browser. It uses the element to paint filtered pictures i...
RequestBin : RequestBin gives you a URL that will collect requests made to it and let you inspect them in a human-friendly way.
Use RequestBin to see what your HTT...
XP-Dev.com : Free Subversion Hosting, Version Control, Project Tracking
Surge : Simple, single-command web publishing. Publish HTML, CSS, and JS for free, without leaving the command line.
Data Science Toolkit : 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 ...
l'Autre Net : l’Autre Net, hébergeur associatif autogéré
Cliquet : Cliquet is a toolkit to ease the implementation of HTTP microservices, such as data-driven REST APIs.
Freebase : A community-curated database of well-known people, places, and things
DERI Pipes : Inspired by Yahoo's Pipes, DERI Pipes is an engine and graphical environment for general Web Data transformations and Mashup.
localForage : localForage is a handy library that improves the offline experience of your web app by using asynchronous storage (via IndexedDB or WebSQL where avail...
kimono : Turn websites into structured APIs from your browser in seconds
Hoppscotch : A free, online, open source API request builder
Calais is a rapidly growing toolkit of capabilities that allow you to readily incorporate state-of-the-art semantic functionality within your blog, content management system, website or application.