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Cut and convert video files

Convert to AVI and other formats all your favorite video files in one go

XP Codec Pack is one of the most complete codec packs

Imports, manages and writes video files on disks

Video editor with collaborative features

Play, edit, and convert MP4 videos to MP3, WMA, and OGG files

Windows

Windows Mac

CleverCoding

Mathlete

Free

Mathlete helps develop critical math skills in additions, subtraction, multiplication and division.