WebMail Pro PHP
WebMail Pro PHP is an enterprise-grade webmail system. It offers a responsive, modern interface, broad compatibility with popular email systems and key features like message threading, thumbnail previews and encryption.
DokuWiki is a standards-compliant, simple to use wiki optimized for creating documentation. It is targeted at developer teams, workgroups, and small companies. All data is stored in plain text files, so no database is required.