CA-Clipper:Official home page.
Alaska Xbase++: A 32Bit compiler for the Clipper/Xbase language on the Windows platform.
Cl2C: CA-Clipper to C compiler.
Clip: Object oriented, CA-Clipper and Xbase compatible compiler.
FlagShip: A database development and porting system for moving xBase based languages to UNIX.
Harbour project: A public project for an open source Clipper language compatible compiler. It will become a 100% Clipper compatible compiler for multiple platforms and includes all source code
nanoBase: A GPL'ed xBase-compatible system for DOS.