Bram Moolenaar is an active member of the open source software community. He is the author of Vim, a text editor which is very popular among programmers and users of Free Software.
He is also:
Board member of the NLUUG, the Dutch Unix user group.
Project leader of A-A-P, a build tool similar to make.
Founder and treasurer of the ICCF Holland foundation, a small charitable organization that supports a project aimed at helping AIDS victims in Uganda.