3D modeling editor focused on creating low-polygon models, especially popular for projects in Minecraft.
Command-line tool for converting and manipulating images in various formats.

Shows hexadecimal color codes and has many features.
Free software that provides a graphical interface for the powerful command line utility ExifTool.
Tool that allows you to create stick-figure animations in a very intuitive way.
Utility that allows you to doodle over any application in Windows.