Prototype Orange widgets — only for the brave.
Bayesian tests for comparison of classifiers
Orange3 add-on for exploring time series and sequential data.
Orange add-on for dealing with geography and geo-location.
Networks add-on for Orange 3 data mining software package.
Orange Bioinformatics add-on for Orange data mining software package.
Orange3 TextMining add-on.
Orange add-on for mining frequent itemsets and association rules.