>PHPWiki is that software. No real need to look further. It can link
>internally to group-created information and externally
>(PFAF and ATTRA, for example) to databases and websites, lists and
>newsgroups and more. It can contain text documents,
>graphics, multimedia, videos, sound files, pictures, diagrams, blueprints
(i.e. >architectural), charts, table data, search engines,
>landscape/farmstead/permaculture plans, flowcharts (renewable energy
>systems and wiring diagrams) and more.