The Linux Kernel is one of the most complex open source projects. There are a lot of books, however it is still a difficult subject to comprehend. The Interactive map of Linux Kernel gives you a top-down view of the Kernel. You can see most important layers, functionalities, modules, functions and calls. You can zoom in and drag around to see details. Each item on the map is a hypertext link to source code or documentation.
a Linux-like environment for Windows. A way to run native linux apps on Windows and make way to magically make native Windows apps aware of UNIX ® functionality after a rebuild.
Encryption Toolkit that provides anyone with the ability to add strong security capabilities to an application in as little as half an hour, without needing to know any of the low-level details that make the encryption or authentication work.
feature-rich and very fast scenegraph-engine. Its purpose is to deliver a toolkit for the creation of interactive 3D environments using the graphic-hardware of common desktop computers.
a 2D graphics library, support for multiple output devices. (output targets include the X Window System, Win32, image buffers, PostScript, PDF, and SVG file output. Experimental backends OpenGL (through glitz), Quartz, and XCB.
a cross platform audio library and toolset to let you easily implement the latest audio technologies into your title. FMOD now supports 13 platforms! Win32, Win64, WinCE, Linux, Linux64, Macintosh (os8/9/10/x86) PS2, PSP, PS3, Xbox, Xbox 360
Joshua Bloch about designing APIs and why it matters heavily for a the success of a company or a projects. Mostly common sense but useful if you get into a debate about it