Rockbox ist eine Open Source Firmeware für folgende Player:

• Apple iPod: 1st through 5.5th generation iPod, iPod Mini and 1st generation iPod Nano (not the Shuffle, 2nd/3rd gen Nano, Classic or Touch)
• Archos: Jukebox 5000, 6000, Studio, Recorder, FM Recorder, Recorder V2 and Ondio
• Cowon iAudio: iAudio X5, X5V, X5L, M5 and M5L
• iriver: H100, H300 and H10 series
• Sansisk: Sansa c200, e200 and e200R series (not the v2 models)
• Toshiba: Gigabeat X and F series (not the S series)

Link: Rockbox