Litnerd - The Pixar for education, reading program for K-5 schools
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Cotrio - The most beautiful way to move your brain and imagination
Data Rescue - When Apple's system recovery fails, recover any and all files with Data Rescue 3. This data rescue software will even work if your Mac's hard drive fails to mount.
WonderBox - Wikipedia for kids — Learn with friends and family
Disk Drill by Cleverfiles - Recover any type of deleted files in Windows & Mac including Office documents, messages, and media files quickly and easily.