XCache is a open-source opcode cacher, which means that it accelerates the performance of PHP on servers. It optimizes performance by removing the compilation time of PHP scripts by caching the compiled state of PHP scripts into the shm (RAM) and uses the compiled version straight from the RAM. This will increase the rate of page generation time by up to 5 times as it also optimizes many other aspects of php scripts and reduce serverload....

Thin is a Ruby web server that glues together 3 of the best Ruby libraries in web history:

• the Mongrel parser, the root of Mongrel speed and security
• Event Machine, a network I/O library with extremely high scalability, performance and stability
• Rack, a minimal interface between webservers and Ruby frameworks...

A boot loader for Embedded boards based on PowerPC, ARM, MIPS and other processors, which can be installed in a boot ROM and used to initialize and test the hardware or to download and run application code.

The development of U-Boot is closely related to Linux: some parts of the source code originate in the Linux source tree, we have some header files in common, and special provision has been made to support booting of Linux images....

Perl Application Development and Refactoring Environment

A Perl IDE written in Perl

FVWM is a multiple large virtual desktop window manager with very modest resource consumption but highly configurable. Once configured it will suit working habits like no other window manager.

It conforms to virtually all modern desktop specifications, supports transparency and antialiasing in every component. The backgrounds can be set on a per-desktop or per-screen basis with one of the many included modules....

The Eclipse Graphical Modeling Project (GMP) provides a set of generative components and runtime infrastructures for developing graphical editors based on EMF and GEF.

• GMF Notation: a model to store diagrams
• GMF Runtime: a runtime API that is used to manage graphical diagram in using the MVC pattern....

dvd::rip is a full featured DVD copy program written in Perl. It provides an easy to use but feature-rich Gtk+ GUI to control almost all aspects of the ripping and transcoding process. It uses the widely known video processing swissknife transcode and many other Open Source tools....

Apache Tomcat Connectors produces web server plugins to connect Apache HTTPS, IIS or Sun web server with backend server via the AJP protocol. The most important backend example is Apache Tomcat.

Nova is a cloud computing fabric controller (the main part of an IaaS system). It is written in Python, uses the Eventlet framework, and relies on the standard AMQP messaging protocol.

dibi is tiny 'n' smart database abstraction layer for PHP 5. It is designed with simplicity in mind.

dibi is free (released under the terms of the dibi license). You can use it to develop either open source or commerical applications.