Latex
[1] Latex tips & Tips for PhD writers.
[3] Latex catalogue [GOOD ONE]
[4] Latex Reference from Berkeley [GOOD ONE]
[5] Latex tools [GOOD ONE]
[8] Beamer tutorial with examples [GOOD ONE]
[10] Beamer tutorial [Very GOOD]
[11] Nice short intro to Latex with its various uses
[12] LaTex templates list
[13] Drawing Trace Diagrams with TikZ
[14] A Tikz primer
[15] What is TeX ?
[16] TeX resources (articles/tools) from TUG
[17] LaTeX tricks
[18] Beamer Lecture Howto
[19] Presentation Tools