1- Palestine
Palestinian Prisoners' Society: http://www.ppsmo.org/english.html

Palestinian Prisoners Information: http://www.alqassam.ps/english/?action=prisoners

2- Guantanamo
Cage Prisoners: http://www.cageprisoners.com

3- Others
Prisoner abuse in Iraq, Afghanistan and elsewhere: http://www.cooperativeresearch.org/project.jsp?project=us_torture_abuse

Homaidan Alturki: http://www.homaidanalturki.com/EN