- Queensland Mailbox Bible Club
The Queensland Mailbox Bible Club is a non-profit, non-denominational organisation operated by Christians who volunteer their time and efforts to send out Bible lessons through the mail.
- Thai prison life
A website about the various prisons in Thailand.
- Prison Alert
Another opportunity to write to prisoners who are being persecuted for their faith.
- Prisoners Abroad
Prisoners Abroad is a small UK-based charity dedicated to supporting British citizens imprisoned overseas. They also provide assistance to those affected by imprisonment, and help ex-prisoners start a new life free of crime after their release.
- Foreign prisoners
The Foreign Prisoner Support Service is organised for the charitable purpose of creating education and awareness about foreign internment, prison conditions and foreign judicial processes, drug education and prevention, in an effort to seek to deter would-be offenders and to campaign for those wrongfully convicted.
- Prison Studies
International centre for prison studies
Kairos prison ministry Australia
- Days for Girls International
- Prison Fellowship International