This is the official Catcoin wallet! To transfer Catcoin, go to a file hosting service and share the link to your Catcoin. To upload the transferred Catcoin, see inside the project and go into fullscreen. While in fullscreen, click Transfer Catcoin. Go out of fullscreen and then right click the list. Click Import. Select "your catcoin.txt". Click Read Transferred Catcoin to get the Catcoin. To mine Catcoin, click Mine Catcoin and enter the info it needs. Wait until you get your Catcoin.
This uses the Catcoin API, which is a good option for projects that use Catcoin.