Requestd gives you a URL that will collect requests made to it and let you inspect them in a human-friendly way
PHPVerbalExpressions - the easiest way to start with Regular Expressions. Write it in OOP way
$regex=new VerbalExpressions;
$regex ->startOfLine()
->then("http")
->maybe("s")
->then("://")
->maybe("www.")
->anythingBut(" ")
->endOfLine();
$regex->test("http://d.com")
A lot of implementations on other languages exist
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