YAFFS

YAFFS is the battle-tested, open-source file system for NAND and NOR flash.

Log-structured file system · yaffs.net

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What YAFFS’s own pages say

What it says it doesYAFFS is the battle-tested, open-source file system for NAND and NOR flash. yaffs.net
PlatformsARM, Android, Linux, MIPS, PowerPC, VxWorks, WinCE, bare metal, eCos, x86 yaffs.net
Open sourceYes yaffs.net
LicenseOpen source under GPL v2, or a one-time commercial licence fee. yaffs.net

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.