The NFC Ring app has built in support for Facebook, Twitter, generic website links, Etherpad and Youtube.
You can use the app to write any link you want, such as your own blog or a news page. Simply choose your link and hold your rings public inlay to the sweet spot on your phone or tablet.
NFC Ring Control is Open source software. The Source code is available at https://github.com/mclear/NFC_Ring_Control
Our Community maintains a Q&A at https://github.com/mclear/NFC_Ring_Control/wiki
Please post any issues on our bugtracker: https://github.com/mclear/NFC_Ring_Control/issues/new
Please post bug reports before posting any negative reviews, our community works hard to maintain this software, we appreciate the feedback and your assistance.