KolourPaint is a simple painting program to quickly create raster images. It is useful as a touch-up tool and simple image editing tasks.
Synfig
Professional open-source 2D Animation Software for Linux.
GThumb
gThumb is an image viewer and browser for the GNOME Desktop. It also includes an importer tool for transferring photos from cameras.
Pinta
Pinta is a free, open source program for drawing and image editing.
Pencil2D
An easy, intuitive tool to make 2D hand-drawn animations.
PDF Arranger
Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface
OpenShot
We designed OpenShot Video Editor to be an easy to use, quick to learn, and surprisingly powerful video editor. Take a quick look at some of our most popular features and capabilities.
GIFCurry
The open-source, Haskell-built video editor for GIF makers.
Flowblade
Flowblade is a multitrack non-linear video editor for Linux released under GPL 3 license.
Drawpile
Drawpile is a Free software collaborative drawing program that allows multiple users to sketch on the same canvas simultaneously.