CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.

Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.

Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development

TwistedWave - TwistedWave is one of the unique audio editors that allow you to edit your music file online without any installation.

Bitrise - Tens of thousands of agencies, startups and enterprise companies with mobile apps - including Runkeeper, Grindr, Duolingo and more - use Bitrise to automate their way to increased productivity & speed

Radium - Radium is a music editor with a new type of interface.