Rainglow Color Themes - 320+ color themes for a variety of editors and software.
SourceForge - The Complete Open-Source and Business Software Platform.
Sweet Themes - Color Themes for Slack
openDesktop.org - The website openDesktop.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
OSOR - OSOR is the Open Source Observatory, a project to provide a framework for developing and executing autonomous observations.