ACC basketball scheduling problem
<a href="http://www.ps.uni-sb.de/~walser/acc/acc.html">, an AMPL model 
and 0-1 IP instances of the original problem (presented by Nemhauser and
Trick), 
J.P. Walser (University of Saarbruecken) 

Secretary's Nightmare scheduling problem
CAIA-94 <http://cdr.stanford.edu/html/people/petrie/caia.html>, the
workshop on Coordinated Design and Planning, March 1994, introduced the
"secretary's nightmare" scheduling problem.

CSP Lab (in Lisp) <ftp://ftp.cs.strath.ac.uk/local/pat/csp-lab> created
by Patrick Prosser. There is also a Scheme version
<ftp://ftp.cs.strath.ac.uk/local/pat/csp-lab.scm>.  Algorithms include
bt, bm, bj, cbj, fc, fc-cbj, and mac.

CSPLib v2.0: a benchmark library for constraints compiled by Toby Walsh, 
Ian Gent, and Bart Selman. <http://csplib.cs.strath.ac.uk>
<email:csplib@cs.strath.ac.uk>

ECLiPSe Code Samples
<http://www.icparc.ic.ac.uk/eclipse/examples/>

The Munich Rent Advisor
<http://www.pst.informatik.uni-muenchen.de/~fruehwir/miet-demo.html>
was written using the CHR library of Eclipse
<http://www.ecrc.de/eclipse/eclipse.html>, by Thom Fruehwirth
<http://www.pst.informatik.uni-muenchen.de/~fruehwir/>.

The Mystery Shopper benchmark
<http://www.cs.unh.edu/ccc/archive/constraints/archive/mystery-shopper-bench
mark.txt>
was developed by Jimmy Ho Man Lee <jlee@cs.cuhk.hk> and introduced at
CP'96.

Neng-Fa Zhou <zhou@mse.kyutech.ac.jp> has developed a multi-layer
channel router in CLP(FD), and hopes that the program can be used as a
good benchmark for evaluating CLP(FD) systems.  The program, and a
number ofq other CLP benchmarks, are available from
<ftp://ftp.kyutech.ac.jp/pub/Language/prolog/>.

OR-Library <http://mscmga.ms.ic.ac.uk/info.html> of test data sets
(Imperial College, J.E. Beasley)

Planning and Scheduling <http://www.NeoSoft.com/~benchmrx/> Benchmarks
(Barry Fox, Mark Ringer)

Radio Link Frequency Assignment Problem can be found
at the TU-Delft RLFAP archive <http://dutiosd.twi.tudelft.nl/~rlfap/>
and on this site at
<ftp://ftp.cs.unh.edu/pub/csp/archive/code/benchmarks/FullRLFAP/>

Scheduling Benchmarks and Resources
<http://fi-www.arc.nasa.gov/fia/projects/xfr/papers/benchmark-article.html>
(A paper by Mark Drummond, NASA Ames Research Center; also a postscript
<http://fi-www.arc.nasa.gov/fia/projects/xfr/papers/med-sigman.ps>
version)

Traffic Lights
<http://www.cs.unh.edu/ccc/archive/constraints/archive/traffic.html> example
by Walter Hower <http://yeats.ucc.ie/~walter/>

TSP
<http://www.iwr.uni-heidelberg.de/iwr/comopt/soft/TSPLIB95/TSPLIB.html>
Travelling Salesman Problems library, maintained by Gerhard Reinelt
(Gerhard.Reinelt@IWR.Uni-Heidelberg.de)

Zebra Puzzle <http://www.ecrc.de/eclipse/html/extroot/node59.html> --
in Eclipse using CLP(Finite Domains)