Type Inference in Prograph
article by BenoƮt Lanaspre and Hugh Glaser http://www.dsse.ecs.soton.ac.uk/techreports/95-03/95-3.html
Pictorius Prograph
Vendor site for the language developer. http://192.219.29.95/prograph.html
NTT Systems Inc. - Prograph Development
Overview, MVC System, Graph Objects, PCT Tools, Layered Protocol Tool, Drug Trial Simulation http://www.ntt.ca/prohome.html
Distributed Prograph
Article by B. Lanaspre and H. Glaser. http://eprints.ecs.soton.ac.uk/583/
Towards a Better Visual Programming Language: Critiquing Prograph's Control Structures
Analyzes a visual dataflow programming language, especially control structures, in view of some principles of good design for visual languages. Then introduces alternative structures in a new language called SIVL: SImple Visual Language. http://www-cs.canisius.edu/~meyer/VP/CCSCNE/home.html
OSPGL
Official site of the Open-Source Purely Graphical Language Initiative. OSPGL is intended as the successor of the visual programming language Prograph. http://www.ospgli.org/
Hello, World program
Prograph http://www2.latech.edu/~acm/helloworld/prograph.html
A Pictorial Button Class in Prograph
Article by Terry Kilshaw in MacTech magazine (Volume 9 Issue 1). http://www.mactech.com/articles/mactech/Vol.09/09.01/PictButton/index.html