glirc in vertical split screen mode showing two channels

glirc

console IRC client

glirc is a console IRC client with an emphasis on providing dynamic views into the model of your IRC connections.
maximum reference compressor for ZPAQ open standard

zpaq

maximum reference compressor for ZPAQ open standard

The PAQ family is a series of open source data compression archivers that have evolved through collaborative development to top rankings on several benchmarks measuring compression ratio although at the expense of speed and memory usage.
satellite tracking software for observing purposes

previsat

satellite tracking software for observing purposes

Previsat is very easy to use, it shows positions of artificial satellites in real-time or manual mode. PreviSat is able to make predictions of their passes and also predictions of Iridium flares.
text-to-UML converter

plantuml

text-to-UML converter

PlantUML is a program allowing to draw UML diagrams, using a simple human readable text description.
projectM PulseAudio module

projectm-pulseaudio

projectM PulseAudio module

projectM is an iterative music visualization library which uses OpenGL for hardware acceleration. It is compatible with Milkdrop presets.
Available at: https://tools.suckless.org/sent/

sent

simple plaintext presentation tool

sent does not need LaTeX, libreoffice or any other fancy file format, it uses plaintext files to describe the slides and can include images via farbfeld. Every paragraph represents a slide in the presentation.