Friedman's test is a non-parametric test alternative to the repeated measures ANOVA. This workflow will demonstrate how to perform one with a sample dataset, or with your own! You can follow along with the community guide here: https://community.julius.ai/t/guide-running-friedmans-test-non-parametric/886.
This test is used to compare the medians of two independent groups when the assumption of normality is violated. You can follow along with the community post: https://community.julius.ai/t/guide-krusal-wallis-and-mann-whitney-u-tests-non-parametric/719
The wilcoxon signed rank test is a non-parametric alternative to the paired t-test. It compares two related groups. You can follow along with the community guide here: https://community.julius.ai/t/guide-running-a-wilcoxon-signed-rank-test-non-parametric-test/874.