Github Short links:
0 ❯ curl -i http://git.io -F 'url=https://github.com/blueimp/jQuery-File-Upload/wiki/Options#replacefileinput quote> '
HTTP/1.1 100 Continue
HTTP/1.1 201 Created
Server: github.com
Date: Thu, 08 Jan 2015 18:38:56 GMT
Content-Type: text/html;charset=utf-8
Connection: keep-alive
Status: 201 Created
Location: http://git.io/Vs-7Lw
Content-Length: 75
X-Runtime: 0.010351
X-Node: gitio1
X-Revision: 1c8b9e99364ed90246c649aaf251ac7acf93337d
https://github.com/blueimp/jQuery-File-Upload/wiki/Options#replacefileinput%
Very handy to include long GitHub documentation links in commit messages or emails etc. I think this works only for GH-based urls.