GitHub - AppFlowy-IO/AppFlowy: AppFlowy is an open-source alternative to Notion. You are in charge of your data and customizations. Built with Flutter and Rust.

Planner

The open-source, self-hostable to-do app | Vikunja

WeekToDo | Free and Open Source Minimalist Weekly Planner and To Do list App

GitHub - ransome1/sleek: todo.txt manager for Linux, Windows and MacOS, free and open-source (FOSS)

Pendulums | Time tracking

Cattr | Time tracking

Super Productivity – a to do list to get your head free