Once you've collected the data, you need to start analysing it! Hoepfully your analysis plan as part of your study protocol means this is not news to you!
Heres a few tools for data analysis:
1. Quantitative Data Analysis
SPSS UTAS has a subscription, otherwise you'll have to pay
JASP (free) and offers a range of analyses and a good range of instructional guides and videos
Jamovi (free) uses an "R" backend with cloud & desktop options and a few instructional guides and videos, also has some handy community-built modules
R (free) the O.G. interface is command line, guides here
Confidence interval calculator (free) as described
2. Qualitative Data Analysis
NVivo UTAS has a subscription, otherwise you'll have to pay
Taguette (free) cloud and desktop options, user guide here
CATMA (free) stands for computer assisted text markup and analysis, guide here
RQDA (free) built on R, hasn't been updated since 2020/COVID
QDS Miner Lite (free) less features than the paid QDA Miner