3Delight is a very fast RenderMan-compliant renderer designed to produce photorealistic images for serious production environments. Some of its features include ray tracing, global illumination, motion blur, depth of field, subdivision surfaces, programmable shaders, quality antialiasing, and antialiased multi-depth shadow maps. The API and the shading language are very similar to what is described in the RenderMan interface documentation.
3M Touch Systems USB TouchScreen Driver is a package containing a kernel module which supports a USB touchscreen device made by 3M Touch Systems (formerly known as MicroTouch Systems Inc.). This touchscreen is also known as IBM SurePoint, and it is used for instance in IBM SurePOS 750. This kernel module is a pre version, and still requires a lot of improvements, but it works well. If anyone is interested in further development, we can move the sources to SourceForge.net. The driver was tested on kernel 2.3.99-pre9, and XFree-3.3.6-20.
4DIAC is a framework for distributed industrial automation and control. It aims to provide an open, IEC-61499-compliant basis that lets the user establish a distributed industrial automation and control environment based on the targets' portability, configurability, and interoperability.
4K Video Downloader is a video and audio downloader for YouTube, Vimeo, Facebook, Dailymotion, Metacafe, and other video-sharing services. It features video quality up to 4k resolution, FLV, MP4, and MKV support, extraction of audio to the MP3 format, and a "Smart Mode" for fast downloads.
4PSA VoipNow is PBX software for service providers and enterprises. Easy to use and deploy, it can run on x86 or PowerPC based servers and delivers advanced IP telephony services. It can be deployed in various working scenarios to provide hosted VoIP services in high availability xSP environments, advanced call center services, or enterprise telephony in organizations of all sizes. A free Express version is available.