CA-Clipper [Remco Broekhoff]
a general purpose, high-level programming language well suited to corporate and commercial applications development
Clipper
Introducción, características, bases de datos, procedimientos y tablas
Clipper Tool Producers
List of Free/Shareware Clipper Tools Types and Counts
miClipper
Temas, librerías y utilitarios
RvG Clipper Collection
downloadable demo copies of the libraries, Cool CA-Clipper Links (comprehensive list with CA-Clipper Links) and Cool CA-Clipper Tips & Tricks
Usenet - comp.lang.clipper