Free bsd os software for linux

Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer. SDL is used by MPEG playback software, emulators, and many popular games, including the award winning Linux port of "Civilization: Call To Power."
Simple DirectMedia Layer supports Linux, Windows, BeOS, MacOS Classic, MacOS X, FreeBSD, OpenBSD, BSD/OS, Solaris, IRIX, and QNX. There is also code, but no official support, for Windows CE, AmigaOS, Dreamcast, Atari, NetBSD, AIX, OSF/Tru64, RISC OS, and SymbianOS.
SDL is written in C, but works with C++ natively, and has bindings to several other languages, including Ada, Eiffel, Java, Lua, ML, Perl, PHP, Pike, Python, and Ruby.
Enhancements:
- Dynamic X11 loading is only enabled with gcc 4 supporting -fvisibility=hidden. This fixes crashes related to symbol collisions, and allows building on Solaris and IRIX.
- Fixed building SDL with Xinerama disabled.
- Fixed DRI OpenGL library loading, using RTLD_GLOBAL in dlopen().
- Added pkgconfig configuration support.

libphidgets is a user-space access library for the Phidget devices, written in C. libphidgets provides a generic and flexible way to access and interact with the Phidgets and comes with all the advantages of a user-space library.

It is based on libhid (which is based on libusb), thus it requires no HID support in the kernel. Furthermore, it aims to support all operating system supported by libusb/libhid: Linux, BSD, OS X, and Windows.

libphidgets is still under development and it does not have a proper homepage (if you want to write one, please contact us!). Until one is ready, you are welcome to download the software and try it out, it should be easy to use if you have some knowledge of C and are willing to read someone else s code.

libdnet provides a simplified, portable interface to several low-level networking routines.
Main features:
- network address manipulation
- kernel arp(4) cache and route(4) table lookup and manipulation
- network firewalling (IP filter, ipfw, ipchains, pf, PktFilter, ...)
- network interface lookup and manipulation
- IP tunnelling (BSD/Linux tun, Universal TUN/TAP device)
- raw IP packet and Ethernet frame transmission
Supported languages:
- C, C++
- Python
- Perl, Ruby (see below)
Supported platforms:
- BSD (OpenBSD, FreeBSD, NetBSD, BSD/OS)
- Linux (Redhat, Debian, Slackware, etc.)
- MacOS X
- Windows (NT/2000/XP)
- Solaris
- IRIX
- HP-UX
- Tru64

SDL_net library is a small sample cross-platform networking library, with a sample chat client and server application. The chat client uses the GUIlib GUI framework library.

Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer. It is used by MPEG playback software, emulators, and many popular games, including the award winning Linux port of "Civilization: Call To Power."

Simple DirectMedia Layer supports Linux, Windows, BeOS, MacOS Classic, MacOS X, FreeBSD, OpenBSD, BSD/OS, Solaris, IRIX, and QNX. There is also code, but no official support, for Windows CE, AmigaOS, Dreamcast, Atari, NetBSD, AIX, OSF/Tru64, RISC OS, and SymbianOS.

SDL is written in C, but works with C++ natively, and has bindings to several other languages, including Ada, Eiffel, Java, Lua, ML, Perl, PHP, Pike, Python, and Ruby.

libhid is a user-space HID access library written in C. It provides a generic and flexible way to access and interact with USB HID devices, much like libusb does for plain USB devices.
It is based on libusb, thus it requires no HID support in the kernel. Furthermore, it aims to support all operating system supported by libusb: Linux, BSD, OS X, and Windows.
libhid is still under development and it does not have a proper homepage (if you want to write one, please contact us!).
Until one is ready, you are welcome to download the software and try it out, it should be easy to use if you have some knowledge of C and are willing to read someone elses code. Documentation does not yet exist, but we are working to provide it using Doxygen
Enhancements:
- This release of libhid adds a few new functions and a new Python HID wrapper library, but it is mostly a maintenance release.

DragonFly is an Linux operating system and environment designed to be the logical continuation of the FreeBSD-4.x OS series. These operating systems belong in the same class as Linux in that they are based on UNIX ideals and APIs. DragonFly is a fork in the path, so to speak, giving the BSD base an opportunity to grow in an entirely new direction from the one taken in the FreeBSD-5 series.

It is our belief that the correct choice of features and algorithms can yield the potential for excellent scalability, robustness, and debuggability in a number of broad system categories. Not just for SMP or NUMA, but for everything from a single-node UP system to a massively clustered system. It is our belief that a fairly simple but wide-ranging set of goals will lay the groundwork for future growth.

The existing BSD cores, including FreeBSD-5, are still primarily based on models which could at best be called strained as they are applied to modern systems. The true innovation has given way to basically just laying on hacks to add features, such as encrypted disks and security layering that in a better environment could be developed at far less cost and with far greater flexibility.

We also believe that it is important to provide API solutions which allow reasonable backwards and forwards version compatibility, at least between userland and the kernel, in a mix-and-match environment. If one considers the situation from the ultimate in clustering... secure anonymous system clustering over the internet, the necessity of having properly specified APIs becomes apparent.

Finally, we believe that a fully integrated and feature-full upgrade mechanism should exist to allow end users and system operators of all walks of life to easily maintain their systems. Debian Linux has shown us the way, but it is possible to do better.

DragonFly is going to be a multi-year project at the very least. Achieving our goal set will require a great deal of groundwork just to reposition existing mechanisms to fit the new models. The goals link will take you to a more detailed description of what we hope to accomplish.

1.2.0 is our second major DragonFly release and the first one which we have created a separate CVS branch for. DragonFlys policy is to only commit bug fixes to release branches.

This release represents a significant milestone in our efforts to improve the kernel infrastructure. DragonFly is still running under the Big Giant Lock, but this will probably be the last release where that is the case.

The greatest progress has been made in the network subsystem. The TCP stack is now almost fully threaded (and will likely be the first subsystem we remove the BGL from in coming months). The TCP stack now fully supports the SACK protocol and a large number of bug and performance fixes have gone in, especially in regard to GigE performance over LANs.

The namecache has been completely rewritten and is now considered to be production-ready with this release. The rewrite will greatly simplify future filesystem work and is a necessary precursor for our ultimate goal of creating a clusterable OS.

This will be last release that uses GCC 2.95.x as the default compiler. Both GCC 3.4.x and GCC 2.95.x are supported in this release through the use of the CCVER environment variable (gcc2 or gcc34). GCC 2.95.x is to be retired soon due to its lack of TLS support. The current development branch will soon start depending heavily on TLS support and __thread both within the kernel and in libc and other libraries. This release fully supports TLS segments for programs compiled with gcc-3.4.x.

It goes without saying that this release is far more stable then our 1.0A release. A huge number of bug fixes, performance improvements, and design changes have been made since the 1.0A release.