- PHP Sockets
- PHP SQLite3
- PHP BCMath
- PHP pthreads by krakjoe: Threading for PHP - Share Nothing, Do Everything.
- PHP YAML by Bryan Davis: The Yaml PHP Extension provides a wrapper to the LibYAML library.
- LibYAML by Kirill Simonov: A YAML 1.1 parser and emitter written in C.
- cURL: cURL is a command line tool for transferring data with URL syntax
- Zlib: A Massively Spiffy Yet Delicately Unobtrusive Compression Library
- Source RCON Protocol
- UT3 Query Protocol