Useful Links

Useful (and often free) Softwares.

LaTeX:

Text Editor: TeXShop.
Online text editor (useful for the iPad and collaborative projects): WriteLaTeX
Track modifications on LaTeX files: latexdiff. (requires perl)
MathIM : online chat with a LaTeX feature.

Reference management:

Mendeley.

Programming:

Free Matlab: Octave.
Graph theory: iGraph and Networkx. (Click here for a walkthrough to install igraph.)
Numerical analysis with Python, Scipy/Numpy.
Great text editor for programming, Sublime (not free).

Web:

This website's engine, Drupal, and useful extensions:

  1. Biblio: to manage articles and references.
  2. Views: to display content using a query.
  3. Internationalization: to manage a bilingual site.
  4. DruTeX: to typeset LaTeX code in html.

Other Useful Links

Generate pictures from LaTeX online.
P-value calculator.
Understanding a PhD in twelve pictures.
In doubt...

English