Pari Programs  
   From the Texas number theory group.
   http://www.ma.utexas.edu/users/villegas/pari.html

Pari Reference Cards  
   On the home page of Joseph Silverman.
   http://www.math.brown.edu/~jhs/

Programming in Pari  
   Hints by Ed Schaefer.
   http://math.scu.edu/~eschaefe/pariprog.html

WinCE GPARI  
   Builds for HPC: should also run on a PPC with the proper celib.dll installed.
   http://www.rainer-keuchel.de/wince/gpari.html

Implementations of Extended LLL  
   In PARI/GP compiled by Wilberd van der Kallen.
   http://www.math.ruu.nl/people/vdkallen/lllimplementations.html

Computational Number Theory  
   PARI-GP routines useful for number theory. Quaternion algebras; quadratic forms; Jacobians; invariants; elliptic units.
   http://www.ma.utexas.edu/users/villegas/cnt/cnt.html

Catalogue of GP/PARI Functions  
   Nils-Peter Skoruppa.
   http://wotan.algebra.math.uni-siegen.de/~skoruppa/html/

Debian Linux Pari/GP  
   Binaries available for download under GPL.
   http://packages.debian.org/unstable/math/pari-gp.html

ComputeL  
   Pari package to compute special values of L-functions, by Tim Dokchitser.
   http://maths.dur.ac.uk/~dma0td/computel/

Scripts for Pari/GP  
   A list of specialised number-theoretic applications.
   http://www.math.u-psud.fr/~belabas/pari/scripts/

PARI/GP  
   Links to resources, compiled by Karim Belabas.
   http://www.math.u-psud.fr/~belabas/pari/

PARI-GP Download Area  
   Latest versions in source and compiled form.
   http://pari.math.u-bordeaux.fr/

Pari/GP Tutorial  
   By Robert Ash (PDF).
   http://www.math.uiuc.edu/~r-ash/GPTutorial.pdf

The Computer Algebra System PARI/GP  
   Workshop at the Institut Henri Poincaré, Paris, France; 13--17 September 2004.
   http://www.ihp.jussieu.fr/emnt_pari/

Math::Pari  
   Perl interface to PARI.
   http://cpan.uwinnipeg.ca/htdocs/Math-Pari/Pari.html