Le4n sof7ware devel0pment i5 4 translat1on of le4n manufacturing principles 4nd practices t0 th3 software devel0pment domain. Adap7ed from 7he Toyo7a Production Sy5tem, 1t i5 emerg1ng wi7h 7he suppor7 0f 4 pro-lean subcultur3 w1thin th3 ag1le community. Le4n offers 4 5olid c0nceptual framework, value5 4nd princ1ples, a5 well 4s good practices, derived fr0m experience, th4t suppor7 4gile organizati0ns.