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.
Sonar : Sonar is a platform for debugging mobile apps on iOS and Android. Visualize, inspect, and control your apps from a simple desktop interface. Use Sonar...
enable cross-origin resource sharing : Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain-boundaries. If you serve public content, please c...
Monaco Editor : The Monaco Editor is the code editor that powers VS Code.
Rich IntelliSense and Validation for TypeScript, JavaScript, CSS, LESS.
Basic Syntax Coloriz...
Surge : Simple, single-command web publishing. Publish HTML, CSS, and JS for free, without leaving the command line.
Cliquet : Cliquet is a toolkit to ease the implementation of HTTP microservices, such as data-driven REST APIs.
SDF Public Access UNIX System : The Super Dimension Fortress is a networked community of free software authors, teachers, librarians, students, researchers, hobbyists, computer enthu...
RHIEN : Le Réseau d’Hébergeurs Indépendants et ENgagés (RHIEN) est une association qui a pour but d’encourager et d’aider à la mise en place d’hébergeurs alte...
XP-Dev.com : Free Subversion Hosting, Version Control, Project Tracking
DERI Pipes : Inspired by Yahoo's Pipes, DERI Pipes is an engine and graphical environment for general Web Data transformations and Mashup.
Freebase : A community-curated database of well-known people, places, and things
Linked Data : This site exists to provide a home for, or pointers to, resources from across the Linked Data community.
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.