LunaPic is an online photo editor that allows you to edit, crop, rotate and resize images, add effects to your photos, create slideshows, animation and collagesand convert video to gifs.
QGifer is a tool for extracting part of a video to an animated GIF file.
GIF extraction from a video file Color palette editor Variable color palette support Dithering Text rendering Graphics insertion Object interpolation Cropping .
The project seems to be no longer developed. Last version, 0.2.1, released in June 2013, can be still downloaded from SourceForge.
Gifsicle manipulates GIF image files. Depending on command line options, it can merge several GIFs into a GIF animation; explode an animation into its component frames; change individual frames in an animation; turn interlacing on and off; add transparency; add delays...
Beneton Movie GIF (BMG) is a complete GIF editing tool made in Game Maker. Either beginners and advanced users will find an utility to this simple and effective program. BMG supports 48 file formats, such as BMP, GIF, JPG, and PNG. Use drag-and-drop to move frames quickly.
Mara is a web-based software suite for quick image editing and painting. Includes a huge set of tools, among which are traditional tools for graphic editors, as well as unique ones, which you will not find anywhere else.
Converts APNG animations into animated GIF format. Wu64 quantization is used for true-color files.s. Transparency is handled either using a threshold, or composed over chosen background color. CLI version is OS-independent, GUI version is available for Windows.