Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!
PST.NET - Virtual payment cards for online shopping and advertising
/Tab - The simple way to split a bill among friends.
Coinramp - The Coinramp Card lets you spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards
EquiTable - Split the bill fairly
EPN.net - Virtual cards for any advertising accounts and personal purchases