Alternatives to GTKWave

Open-source version of the X.Org X Window System

Software-defined radio receiver powered by GNU Radio and Qt

Data analysis and visualization application

Terminal emulator

Virtual instrument suite for Digilent Test and Measurement devices

SPICE simulation software, schematic capture and waveform viewer

Git GUI

Mimic the aesthetic of ray-oscilloscopes

Font viewer for various font formats

Visualisation, analysis, and annotation of music audio recordings

Drivers for DisplayLink docks, adapters and monitors

Tools for measuring, inspecting & testing on-screen graphics and layouts