I'd also combine Vimwiki with todo.txt, the commandline tool. You can pipe your todo list with tags and categories to Vim, thus wikifying it, or pipe it to pand

I'd also combine Vimwiki with todo.txt, the commandline tool. You can pipe your todo list with tags and categories to Vim, thus wikifying it, or pipe it to pandoc and export as PDF, HTML, LaTeX, slideshows, etc.