6502Em
   A commerical BBC/Master/Compact/Electron emulator for RISC OS 3.1 or above.
   http://www.borcherds.co.uk/murklesoft/riscos/6502em.html

BBC Connect
   A freeware Windows front-end for the BBC emulators BeebEm, B-Em, PcBBC and the Electron emulator ElectrEm.
   http://ninsei.emuunlim.com/bbc_connect_info.html

The Acorn Preservation Project
   Preservation of Acorn software, books, magazines and manuals, with the emphasis on faithful and accurate digital copies of the original cassettes, disks, packaging and documentation.
   http://www.acornpreservation.org/