Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland.

Pylote is a software to draw on the computer screen and manipulate various instruments of geometry.
This is a multiplatform software, free (GNU GPL), made in Python (programming language) and PyQt for the GUI.
Pylote works with a computer screen image.

Interactively analyze NLP models for model understanding in an extensible and framework agnostic interface.

Written in Python without dependencies with an optional MRU ordering which could also be used as an application launcher and CtrlP alternative.

Archivy is a self-hosted knowledge repository that allows you to safely preserve useful content that contributes to your knowledge bank.

fastmod is a fast partial replacement for codemod. Like codemod, it is a tool to assist you with large-scale codebase refactors, and it supports most of codemod's options. fastmod's major philosophical difference from codemod is that it is focused on improving the use case "I want to use interactive mode to make sure my regex is correct, and then I want to apply the regex everywhere".

A clever little console text editor. Written in C, forked out of mle.

whowatch is a simple, easy-to-use interactive who-like command line program for monitoring processes and users on a Linux system in real time.

A window manager manages the windows that applications bring up. We recommend the best c.ompositing, stacking, tiling, and dynamic window managers.