Statistical Package for the Social Sciences (SPSS)
All Purpose quantitative analysis tool. Does just about everything (descriptive statistics, correlations, chi square, t-test, ANOVA and the like, Cronbach's alpha, factor analysis, regressions, and linear or path models.

NVivo
NVivo is qualitative analysis software used to code and organize unstructured textual data, with capability of analyzing audio and video data as well.

Atlas.ti
Good for analyzing qualitative data. Good for all stages from coding through theme development.

Strata
Quantitative Analysis, like SPSS

MaxQDA
Qualitative Analysis.

R
R is an open source language and environment for quantitative data manipulation, calculation, and graphics.

Excel
Quantitative Analysis Database functions Data Visualization