This is a system that many scientists in the World use. Any contribution will affect thousands!
You can help in any way: reviewing or improving the Help Page, the Code, the GUI, etc; or even adding new features.
Heberle, H.; Meirelles, G. V.; da Silva, F. R.; Telles, G. P.; Minghim, R. InteractiVenn: a web-based tool for the analysis of sets through Venn diagrams. BMC Bioinformatics 16:169 (2015). http://doi.org/10.1186/s12859-015-0611-3