
Description: Violinist.io is an open source platform for automated testing of Python packages. It helps developers run tests on their packages against multiple Python versions on every commit to GitHub, BitBucket, or GitLab. This allows catching issues early before releasing new package versions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tachikoma.io is an open-source alternative to Zapier for automating workflows between web apps and services. It provides a visual interface to connect triggers and actions from various services to create automation recipes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API