Requestd gives you a URL that will collect requests made to it and let you inspect them in a human-friendly way
I was waiting for it so long :) Videoconverter.js - FFmpeg converted in JavaScript via Emscripten. It works in client browser, really works. It does not support x264 codec yet, but could be useful to create a video preview on client side etc.
Requestd gives you a URL that will collect requests made to it and let you inspect them in a human-friendly way
Sysdig - open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Kind of strace + tcpdump + lsof + awesome sauce. With a little Lua cherry on top.
LetsEncrypt.org promises till Summer 2015 to provide free Certification Autority to make https for our sites just as with a magic wand. That will be awesome :)
Vivus - JavaScript library to make drawing animation on SVG
Google's Material Design like CSS frameworks