The best open source alternative to Microsoft GIF Animator is ImageMagick. If that doesn't suit you, our users have ranked more than 25 alternatives to Microsoft GIF Animator and six of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft GIF Animator are Gifsicle, QGifer, GIF to APNG and APNG Assembler.
ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.
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...
QGifer is a tool for extracting part of a video to an animated GIF file.
Features
GIF extraction from a video file Color palette editor Variable color palette support Dithering Text rendering Graphics insertion Object interpolation Cropping .
Converts GIF animations into animated PNG format. Usually it makes the files smaller. CLI version is OS-independent, GUI version is available for Windows.
Creates highly optimized Animated PNG files from PNG/TGA image sequences. CLI versions available for all major OSes.
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.
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