Bitcoin Implementation in Scala
Waves Node application
Pegasus is a chrome extension that implements a wallet for the IOTA cryptocurrency. In addition, Pegasus injects the iotajs library allowing developers to interact with IOTA ecosystem without paying attention on how to keep the seed safe.
a free (libre) open source, mobile OS for Ethereum
Zold Web Wallets and RESTful HTTP API
Nimbus: an Ethereum 1.0 & 2.0 Client for Resource-Restricted Devices
An Experimental Non-Blockchain Cryptocurrency for Fast Micro Payments
The official wallet interface for Nexus blockchain