A combination of proven and scalable technologies is used to develop the Melalie network.
For the blockchain network we use the open source blockchain SDK from Cosmos. The Cosmos SDK provides us with great software that has proven itself as battle tested software. Large applications already use the SDK and/or Tendermint in complex production environments.
For the back-end we use a combination of Python and Ruby (on Rails). On the front-end we use React (native). Furthermore we have different API's to allow third party apps to connect to the Melalie platform and network.