# Waves Ecosystem Apps
Here are some useful applications based on Waves blockchain:
Displays the Waves blockchain data in human-readable format.
Allows to top up account balance in the test network with 10 WAVES at a time.
Browser extension that provides secure key storage and enables interaction with third-party Waves-based services. Waves Keeper API allows web services to interact with user accounts if their browser has Waves Keeper installed.
Designed for oracle card registration and search.
Displays ratings of tokens (projects) issued on the Waves blockchain.