KiCad

Comprehensive suite for creating professional electronic schematics and PCB layouts with open-source flexibility

Underwater typing adventure that sharpens keyboard skills with addictive challenges, stats tracking, and retro charm

Create digital sheet music and tablature at the same time

Equation editor for adding notations to mathematical problems

Software used for extracting audio files and digitizing them

Learn anything related to the hard sciences using this program

Great point-plotting and graph-making tool for researchers