Firebug Lite : A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.
TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
GatsbyJS : Gatsby is a modern framework for blazing fast websites, made with React and GraphQL.
regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Botpress : Botpress is an open-source bot creation tool written in Javascript. It is powered by a rich set of open-source modules built by the community. We like...
Code Spaces : Professional Subversion Hosting, Project Management, Issues Tracking
Surge : Simple, single-command web publishing. Publish HTML, CSS, and JS for free, without leaving the command line.
MediaGoblin : MediaGoblin is a free software media publishing platform that anyone can run. You can think of it as a decentralized alternative to Flickr, YouTube, S...
Google App Engine : Google App Engine lets you run web applications on Google's infrastructure. App Engine applications are easy to build, easy to maintain, and easy to s...
XP-Dev.com : Free Subversion Hosting, Version Control, Project Tracking
kimono : Turn websites into structured APIs from your browser in seconds
Hoppscotch : A free, online, open source API request builder
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...
Openframe : Openframe is an open source platform for artists, curators and art enthusiasts to share, discover and display digital art.
Openframe is free. Anyone c...
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.