Policyd v2 (codenamed "cluebringer") is a multi-platform policy server for popular MTAs. This policy daemon is designed mostly for large scale mail hosting environments. The main goal is to implement as many spam combating and email compliance features as possible while at the same time maintaining portability, stability, and performance. Its features include detailed policy and group specification, access control, helo/ehlo checks (helo randomization prevention and RFC compliance), SPF checks, Greylisting, Quotas, and Amavisd-new integration.
Gmagick is a PHP extension to create, modify, and obtain meta-information of images using the GraphicsMagick API. GraphicsMagick prides itself as the swiss army knife of image processing. It works with over 88 major formats including DPX, GIF, JPEG, JPEG-2000, PNG, PDF, PNM, and TIFF. Gmagick consists of a main Gmagick class, a GmagickDraw class that is in effect a drawing wand, and a GmagickPixel class of which instances represent a single pixel of an image (color, opacity).
Libntoh aims to be a user-friendly library to provide an easy way to perform defragmentation and reassembly of network/transport protocols. It is intended to provide a flexible, thread-safe, and highly configurable environment for the user. It performs IP defragmentation and TCP reassembly.