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CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
BuilderTREND - Buildertrend is the #1 construction management software and construction app for home builders, remodelers, specialty contractors and commercial construction.