http://short.i2p/readme.html
It's also a great way to add branding to your short URLs, instead of using the same public URL shortener everyone uses. ➤ YOURLS Features Free and open-source software, Private (your links only) or Public (everybody can create short links, fine for an intranet), Terrific Plugin architecture and dozens of plugins to easily implement new features, Handy bookmarklets to easily shorten and share links, Awesome stats : historical click reports, referrers tracking, visitors geo-location,...