single-spa : A javascript metaframework
Build micro frontends that coexist and can each be written with their own framework. This allows you to:
Use multiple fram...
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-...
Next.js : A minimalistic framework for server-rendered React applications
Expo : Expo is a framework and a platform for universal React applications. It is a set of tools and services built around React Native and native platforms ...
React Native : React Native lets you build mobile apps using only JavaScript. It uses the same design as React, letting you compose a rich mobile UI from declarative...
Inertia.js lets you quickly build modern single-page React, Vue and Svelte apps using classic server-side routing and controllers.
RegExr : RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
metaflop : Metaflop is an easy to use web application for modulating your own fonts. Metaflop uses Metafont, which allows you to easily customize a font within t...
Favicon Generator : Upload an image (GIF, JPEG or PNG) and convert it to a Windows favicon (.ico)
SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
Doodle : Doodle radically simplifies the process of scheduling events, whether they’re board or team meetings, dinners with friends, reunions, weekend trips, o...
Check easily whether a gem is ready for Rails 4 or not.