Utilities

• Telephone Books

  • PagineBianche
  • PagineGialle

• Science

  • World Lecture Hall
  • MathWorld
  • Numerical Recipes
  • PhysicsWeb
  • SciCentral

• Computing

  • JavaSE7-Documentation
  • Free Programming Resources
  • GNU
  • DevCentral (Tutorials)
  • CPAN (Comprehensive Perl Archive Network)
  • CTAN (Comprehensive TeX Archive Network)
  • Detexify

• ... etc ...

  • ANPRI
  • INPDAP
  • MAIF
  • Rete Telematica Comuni Italiani (Anci Cnc) - ICI