transactionfee.info
transactionfee.info allows users to check the fee efficiency of their last transaction. There is also a /charts page which is nearly a project in it’s own. Build together with @ziggamon.
mempool.observer
mempool.observer displays various mempool statistics and notifys users when their transaction confirms.
altcoins.b10c.me
A simple coinmarketcap.com price overlay with coin conversion.