Beamer: a latex class to produce professional presentations Jabref: an open source bibliography reference manager LaTeX2HTML: bringing high quality documents to the Web MiKTeX: an up-to-date TeX implementation for Windows operating system Texniccenter: user friendly text editor for Latex under windows
Maxima: symbolic Computation Program (sourceforge) Scilab: the open source platform for numerical computation wolfram: online computation
Free Tools and Sites for optimizations
AMPL-CPLEX: A Modeling Language for Mathematical Programming
SeamCat: developed within the frame of European Conference of Postal and
Telecommunication administrations (CEPT) and used for statistical modeling of
interference between various radiocommunications systems
Standardization and Normalization bodies
3GPP: the official site where you can find the specification for UMTS 3GPP2: the official site where you can find the specification for cdma2000 IETF: the Internet Engineering Task Force P1900: the objective is to develop supporting standards dealing with new technologies and techniques being developed for next generation radio and advanced spectrum management. IEEE: the official site for IEEE standards
ITU: is an international organization within the United Nations System where governments and the private sector coordinate global telecom networks and services.