Fortran Friends - For RISC OS users interested the programming language Fortran - http://fortran.orpheusweb.co.uk/
DataPower 2 Discussion Group - The DataPower 2 discussion group is an unmoderated forum for technical and other discussion related to DataPower 2. - http://groups.yahoo.com/group/dp2discuss/
4QD Digital Photography - Mailing list for RISC OS users. - http://www.4qd.org/ro/digiphot/index.html
Christian Acorn User Group - User group for Christian Acorn Users. - http://www.jellybaby.net/rougol/AAUG/xaug/index.html