Recommended and mentioned products
Self-Hosted Trello is a project management application created for all sizes of businesses.
Motion and Trello - for team productivity and syncing.
Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Example: Github - for the actual code being written.
Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
Google Analytics and Hotjar - tracking the customer, improving UI/UX.