Paw is a full-featured HTTP client that lets you test the APIs you build or consume. It has a beautiful native OS X interface to compose requests, inspect server responses and generate client code out-of-the-box.
This is one of my go-to tools, when test-driving my API endpoints.
MJML is a markup language designed to reduce the pain of coding a responsive email. Its semantic syntax makes it easy and straightforward and its rich standard components library speeds up your development time and lightens your email codebase. MJML’s open-source engine generates high quality responsive HTML compliant with best practices.
It is an animation proxy: used as a wrapper of your chosen library, it may allow you to do more and better and it makes easy to switch from one library to another any time you want. Currently it can work together with GSAP, Velocity.js, Transit(CSS transitions) or jQuery.
One to rule them all
Timeline support for all
Support for play(), pause(), resume(), reverse() and restart()
To, From and FromTo tweens, loops and infinite loops, yoyo effect, delay and loops delay, callbacks and directional callbacks, full set of events
As a big velocity fan, Tweene provides some nice unique additional options and the timeline feature pushes things to new levels 😉