Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Coinfy - Coinfy is a free & open source online wallet for Bitcoin, Ethereum and ERC20 tokens.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Barginex - Invest in the world's top financial assets easily and securely with bitcoin.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Es Faucets - Es Faucets are basically the crypto enthusiasts that allow the users to claim about the crypto amount.