1. TtvfsTiny tree virtual file system - a small C++ library for app-internal VFS support. Like PhysicsFS.
2. JpsJump Point Search, public domain, single .h -- OBSOLETE! See tinypile repo for a better version.
3. hwmfDemo for Arduino Mega (ATmega2560) and an LCD. Got 2nd place at Revision 2020 wild compo.