Restricted login shells for TNF project hosts.

cvssh - login shell for revision control (cvs, hg, git)
rocvssh - login shell for read-only access to cvs (not hg or git)
rohg - login shell for read-only access to hg (not cvs or git)
pwstore - set initial Kerberos password
update_my_keys - replace ~/.ssh/authorized_keys file

Homepage:
https://www.NetBSD.org/developers/
