clipt is CLI (Command Line Interface) Pomodoro Timer. Although the name mentions command line, but it is flexible to be equipped with and support a GUI interface. It's a multi-user program written in C for Unix that allows each user of the system have their own Pomodoro timer.
PlanSH is a simple cross-platform planner / time tracking application, that works from command line. It's purpose is to track tasks/ time spent on tasks fast. Plan and track your tasks without mouse and windows. Just join to develop more features