tilda terminal emulator - Tilda is a GTK+ terminal emulator.
FRAMEWORK 2D+3D - Free Windows structural civil engineering software 2D/3D
Alacritty - Alacritty is a blazing fast, GPU accelerated terminal emulator.
Estru3D - SourceForge presents the Estru3D project. Estru3D is an open source application.
Sakura - sakura is a terminal emulator based on GTK and libvte
Structurix - Analysis of structures based on the principle of the finite element method.