CoinMarketCal - All crypto events that help crypto traders at one place
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Coinwink - Crypto alerts, watchlist and portfolio tracking app for Bitcoin, Ethereum, and other 3500+ crypto coins and tokens
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Cryptorch API - Cryptorch API is an AI-powered machine learning utility that is used in forecasting the prices for various cryptocurrencies from Bitcoin to BitTorrent.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.