if you are gathering quantitative data, then SPSS is excellent.
if you are gathering qualitative data, then you may use MAXQDA – MAXQDA is a professional software for qualitative and mixed methods data analysis. The software is available as a universal app for Windows and Mac OS X and can help you analyze all kinds of unstructured data like interviews, articles, media, surveys, twitter, and more.
or Computer Assisted/Aided Qualitative Data Analysis Software (CAQDAS) offers tools that assist with qualitative research such as transcription analysis, coding and text interpretation, recursive abstraction, content analysis, discourse analysis, grounded theory methodology, etc.