CMS recommendations for web help

[jtrosen]

Could anyone offer a recommendation for hosting web output? I need a way to index the content of PDFs and several large (around 700 topics each plus complex folder structures) web help systems so that users will be able to search across all the content. We're already using DNN Platform for our company web site, but I've played with it a little, and the file management is not going to work for us (too many folders to add manually one by one). The number of CMSes out there is bewildering, and most of them emphasize workflow, versioning, social media, etc. (none of which we'll be using initially). I'm primarily interested in indexing and search functions. If anyone is using something fitting this need that's working well, please let me know! TIA!