Please contribute Snippets in Plain Text; this site aims more at being a Library than a Download Center. I believe it's quicker to review someones' code that to download, unpack, open & crawl through: let's just it being accessible, shall we?
Some snippets here are just plain copied/pasted from Daniele Benedettelli' nxc tutorial
Drunken tribot v1 That's where the beginner should start with, for an ultra-simple yet effective random movement based on a drunken robot tribulations
Drunken tribot v2 Single thread, simple random "drunken" programme for any species of 'bot with a touch sensor in front.
Drunken tribot v3 Thriple-Threaded Totally Drunk 'bot tries to avoid certain tiles on the floor on top of being really unable to avoid any obstacle or take any rational decision regarding where to
Motor1 Simple Move Forward & Back for two motors
Mutex starting the Multiple Thread Way
Random is your first, simple step to Randomisation of behaviour.
2Threads42motors introduction to separate, non-exclusive threads
TripleMutexwithTouchandDistance fully functional but laggy.
Other Peoples' Snippets
pong This one contains a very cool version of the old Pong game. It was written by Michael Anderson.
Better Rex is an nxc version of the very mind of Mr Alpha Rex; I say the Very Mind because the code by G.Hawkins is heavily commented, very instructive.