Hippie Masala[1] (2006), Swiss documentary about the hippies who live in India.
Hippie Movie (2008, Polish/English)
Huerfano Valley[2] (2012, English), about a 40 years old hippie commune in Colorado. Three residents share their experiences and talk of the evolutions in the way of living in the commune during all these years.
The Hippie Revolt a.k.a. Something's Happening (1967)
Jimi Hendrix (1973), various interviews of people who knew Hendrix before and when he was famous