A dataflow processing environment written in Lua.
Minimal. It works on a 386sx with 4MB RAM, but I needed to turn on an extra 4MB of virtual memory to compile the patched version of Lua (the unpatched version needs this too). You need gcc.
Running this script will download sluab-0.6 and lua-5.0.2 and compile sluab. When it's done, you can test it by running ./sluab sluab.lua - when you get tired of the numbers you can abort with Ctrl-C.
sluab-0.6 can produce audio using beeps from the internal speaker. Check it out!