Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

SharpProxy is a simple, threaded, point-to-point proxy. It was originally created to open up local ASP.NET development servers through Visual Studio for testing on mobile devices.