Secure GnuPG Form is a Web form that sends encrypted email and attachments using GnuPG, without the sender needing to have GnuPG installed. Versions are available with Recaptcha.net support and two-factor authentication using a username and password and the free PhoneFactor.com service.
BitNami DokuWiki Stack is an easy to use installer for DokuWiki, which is a standards-compliant, simple to use wiki mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups, and small companies. It has a simple but powerful syntax that makes sure the data files remain readable outside the wiki and eases the creation of structured texts. All data is stored in plain text files; no database is required.