Code to Compute Heights on Elliptic Curves
- Magma implementation of Silverman's algorithm to compute the canonical height on an elliptic curve over a number field or function field, by Martine Girard.
- http://www.institut.math.jussieu.fr/~girard/magma/anglais.html

Periods of Hilbert Modular Forms
- A package of PARI programs (v.2.1.1 or higher) for calculations described in "Periods of Hilbert modular forms and rational points on elliptic curves" by H. Darmon and A. Logan.
- http://www.math.mcgill.ca/darmon/programs/logan/logan.html

Ellipsa
- Includes Primo, an implementation of ECPP, and CPG, class polynomial builder.
- http://www.ellipsa.net/

Heegner Tools
- Peter Green's Heegner Points package. Requires Linux and Pari/GP 2.1.1 or higher.
- http://www.math.mcgill.ca/darmon/programs/heegner/heegner.html

EIS
- Software for computing Fourier coefficients of Eisenstein series attached to lattices by M. Kuss and J. Bruinier. Binaries for x86-Linux.
- http://www.mathi.uni-heidelberg.de/~bruinier/Readme.eis

APECS
- FTP site for Ian McConnell's MAPLE programs.
- ftp://ftp.math.mcgill.ca/pub/apecs

TECC
- Tiny Elliptic Curve Calculator, by Masanari Kida. Requires KASH 2.2.
- http://matha.e-one.uec.ac.jp/~kida/TECC.html

Modular Forms Software
- HECKE can be used to compute basis of q-expansions and Hecke operators on fairly general spaces of modular forms.
- http://modular.fas.harvard.edu/Tables/software.html