If you're into old phylogenetics methods and want to contribute ideas, fork it. if you find a bug in C code you'd rather not touch, file an issue and I'll probably fix it. If you use it for something weird, let me know.
chriscreevey.github.io/clann/
chriscreevey.github.io
Clann: Investigating phylogenetic information through supertree analyses. A free software tool for phylogenomics.