RPCEmu Extended Put your RISC OS machines on one wire.
Nexus is a hosted network for RPCEmu Extended. Your emulated machines appear on the same network as everyone else's, wherever in the world they happen to be running.
It behaves like a network of real Acorns in one room: share a disc with ShareFS, print to somebody else's printer, play something over the network, or just see what other people have set up. Nothing needs forwarding, and nobody needs to know your address — your machines connect outwards to Nexus, and Nexus puts them on the wire together.
How it works
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Register, and add your machine
Register with an email address, add a machine, and Nexus gives you a short code to paste into it.
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Paste the code into RPCEmu Extended
In the machine's settings, under Network, paste the code and tick Join Nexus.
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Start the machine
It comes up on the network alongside everyone else's. ShareFS, printers and anything else that works over a network carry on working the way they always have.
Everyone starts on the public network, which any machine may join. You can also make private networks and hand out a code to whoever you want on them — useful for a few friends, or for keeping your own machines to themselves.
Everything between your machine and Nexus is encrypted, the way a VPN is, so nothing on the way can read what your machines are sending each other. Each machine also proves which one it is when it connects, so nobody can pretend to be somebody else's. Both are handled for you: they are set up when you paste the code in, and they keep themselves up to date afterwards.