Useful software (mostly FOSS)

= OK, good or very good
? = interesting, but not yet tested

Programming

Python
Python libs: Serial, Matplotlib, Numpy, Scipy, PIL/Pillow, Pygame, kivy, Pandas
Geany editor
Thonny: Python3 IDE

Graphics + CNC

Dia: diagram editor
Inkscape
FreeCAD
LibreCAD (2D CAD)
openSCAD
HeeksCAD for CAM
GIMP image editor
? FlatCAM

Electronics

KICAD: schematics + board layout
? https://easyeda.com/ schematic capture, PCB, simulation online
Arduino
GTKterm: serial port terminal

Simulation

? QUCS
Scilab

Tools

Etcher: install ISO files to USB stick
Midnight commander
Meld: file and directory compare
Diffuse: file compare
? Comparedir: sync folders
VNC viewer: view remote desktops
inxi: view detailed machine info
GParted: partition editor
Pandoc: document converter
find in files: use Geany: Search - Find in files
printfriendly.com: Addon for browser to print web pages
Browser as editor:
data:text/html, <html contenteditable> (text + images can be pasted to this)

Geographic

QLandkarteGT: view all sorts of maps
TilemapBase: python lib for displaying maps

DTP / Books

Scribus
Calibre ebook reader/converter / manager

Music

Audacity: sound recorder + editor
Pure data: graphical music programming
SoundConverter
RipperX
SuperCollider: audio synthesis and algorithmic composition
? Canorus: note editor (lightwight alternative to musescore)
? Qtractor

Video

Openshot: video editor

Network

Filezilla: file transfer
Wireshark

Virtual machines

Virtualbox
QEMU