Tools for making textures, models, sounds, mods, …
In this topic, I'll post various free/libre tools for making textures, models, sounds and mods.
Text below each program indicates the supported platforms, where installation or compilation is not too tricky. There is no particular sorting order.
GIMP: raster graphics editor, good for manipulation
GNU/Linux BSD OS X Windows
Krita: raster graphics editor, handles graphic tablets better than GIMP
GNU/Linux BSD OS X Windows
Inkscape: vector graphics editor
GNU/Linux BSD OS X Windows
Aseprite: pixel art editor
GNU/Linux BSD OS X Windows
mtPaint: raster graphics and pixel art editor
GNU/Linux Windows
MyPaint: raster graphics editor similar to Krita
GNU/Linux OS X Windows
Pinta: raster graphics editor similar to Paint.NET
GNU/Linux BSD OS X Windows
NeoTextureEdit: procedural texture generator (any resolution), with 3D preview
GNU/Linux BSD OS X Windows
TextureGenerator-Online: Web-based texture generator (any resolution) with 3D preview
GNU/Linux BSD OS X Windows
NormalMap-Online: Web-based normal/specular/parallax/ambient occlusion map generator, with 3D preview
GNU/Linux BSD OS X Windows
AwesomeBump: Qt5-powered tool to make normal maps, specular maps, and much more
GNU/Linux Windows
Blender: 3D modeller and renderer suite, can export to OBJ format (and X/B3D with add-ons)
GNU/Linux BSD OS X Windows
Wings3D: 3D modeller, can export to OBJ format
GNU/Linux BSD OS X Windows
open3mod: 3D model viewer and converter, can export to OBJ format
Windows
Tesseract: game with map editor, can export to OBJ format
GNU/Linux BSD OS X Windows
NodeBoxEditor: can export to OBJ format
GNU/Linux BSD Windows
NetRadiant: map editor, can export to OBJ format
GNU/Linux BSD OS X Windows
Ardour: Digital Audio Workstation suite
GNU/Linux BSD OS X
LMMS: another Digital Audio Workstation suite
GNU/Linux OS X Windows
Audacity: manipulate, convert and record sounds
GNU/Linux BSD OS X Windows
SFXR: generate basic sounds based on waves and noise
GNU/Linux BSD OS X Windows
Geany: lightweight, yet full-featured IDE, quick loading
GNU/Linux BSD Windows
Notepad++: similar to Geany, quick loading
Windows
Kate: lightweight editor using Qt, quick loading
GNU/Linux BSD
Gedit: lightweight editor using GTK+, quick loading
GNU/Linux BSD
Atom: fuly hackable editor based on Web technologies (install language-lua package for Lua support), slow loading
GNU/Linux OS X Windows
Light Table: fully hackable editor using the Clojure programming language, slow loading
GNU/Linux OS X Windows
Vim: powerful command-line text editor
GNU/Linux BSD OS X Windows
Cygwin: run shell scripts on Windows
Windows
msysgit: lets you use Git from the Windows command prompt
Windows
Text below each program indicates the supported platforms, where installation or compilation is not too tricky. There is no particular sorting order.
Textures
GIMP: raster graphics editor, good for manipulation
GNU/Linux BSD OS X Windows
Krita: raster graphics editor, handles graphic tablets better than GIMP
GNU/Linux BSD OS X Windows
Inkscape: vector graphics editor
GNU/Linux BSD OS X Windows
Aseprite: pixel art editor
GNU/Linux BSD OS X Windows
mtPaint: raster graphics and pixel art editor
GNU/Linux Windows
MyPaint: raster graphics editor similar to Krita
GNU/Linux OS X Windows
Pinta: raster graphics editor similar to Paint.NET
GNU/Linux BSD OS X Windows
NeoTextureEdit: procedural texture generator (any resolution), with 3D preview
GNU/Linux BSD OS X Windows
TextureGenerator-Online: Web-based texture generator (any resolution) with 3D preview
GNU/Linux BSD OS X Windows
NormalMap-Online: Web-based normal/specular/parallax/ambient occlusion map generator, with 3D preview
GNU/Linux BSD OS X Windows
AwesomeBump: Qt5-powered tool to make normal maps, specular maps, and much more
GNU/Linux Windows
Models
Blender: 3D modeller and renderer suite, can export to OBJ format (and X/B3D with add-ons)
GNU/Linux BSD OS X Windows
Wings3D: 3D modeller, can export to OBJ format
GNU/Linux BSD OS X Windows
open3mod: 3D model viewer and converter, can export to OBJ format
Windows
Tesseract: game with map editor, can export to OBJ format
GNU/Linux BSD OS X Windows
NodeBoxEditor: can export to OBJ format
GNU/Linux BSD Windows
NetRadiant: map editor, can export to OBJ format
GNU/Linux BSD OS X Windows
Sounds
Ardour: Digital Audio Workstation suite
GNU/Linux BSD OS X
LMMS: another Digital Audio Workstation suite
GNU/Linux OS X Windows
Audacity: manipulate, convert and record sounds
GNU/Linux BSD OS X Windows
SFXR: generate basic sounds based on waves and noise
GNU/Linux BSD OS X Windows
Code editors (supporting Lua)
Geany: lightweight, yet full-featured IDE, quick loading
GNU/Linux BSD Windows
Notepad++: similar to Geany, quick loading
Windows
Kate: lightweight editor using Qt, quick loading
GNU/Linux BSD
Gedit: lightweight editor using GTK+, quick loading
GNU/Linux BSD
Atom: fuly hackable editor based on Web technologies (install language-lua package for Lua support), slow loading
GNU/Linux OS X Windows
Light Table: fully hackable editor using the Clojure programming language, slow loading
GNU/Linux OS X Windows
Vim: powerful command-line text editor
GNU/Linux BSD OS X Windows
Other
Cygwin: run shell scripts on Windows
Windows
msysgit: lets you use Git from the Windows command prompt
Windows