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AI4R is a collection of ruby algorithms implementations, covering several Artificial intelligence fields. It implements: * Genetic algorithms * Self-organized maps (SOM) * Neural Networks - Multilayer perceptron with Backpropagation learning - Hopfield net * Automatic classifiers (Machine Learning) - ID3 (Decision Trees) - PRISM (J. Cendrowska, 1987) - Multilayer Perceptron - OneR (AKA One Attribute Rule, 1R) - ZeroR - Hyperpipes - Naive Bayes - IB1 (D. Aha, D. Kibler - 1991) * Data clustering - K-means, Bisecting K-means - Single linkage, Complete linkage, Average linkage, Weighted Average linkage, Centroid linkage, Median linkage, Ward's method linkage - Diana (Divisive Analysis)

KeePass is a free open source password manager, which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key file. So you only have to remember one single master password or select the key file to unlock the whole database. The databases are encrypted using the best and most secure encryption algorithms currently known (AES and Twofish). This is the official KeePass application, which was originally only available for Windows, but has now been re-written with .Net and able to be run on BSD, Linux and Mac OS X with Mono.

This code appears to have only cursory resemblance to Bruce Schneier's blowfish and twofish algorithms in that it too has a table-based decoder. Derivation from FairKeys code by Jon Lech Johanson at nanocrew.net. If you don't know what that is, don't bother looking here further. This is a Pure Perl implementation. I doubt there is any need for xs coding for what would mainly be processing 16 bytes at a time. This code is part of an ongoing effort to clone portions of the Apple iTMS in Perl for portability. See www.hymn-project.org for prior efforts by others.

FVCool is the FreeBSD version of the famous VCool software (http://vcool.occludo.net) which changes the PCI configuration data of some chipsets and thus allows AMD Athlon/Duron CPUs to go into power-save mode. This makes the CPU consume a lot less electric energy, and it produces a lot less heat as well. This trick is not a secret - on FreeBSD, you can actually achieve the same effect which this software has using the "pciconf" command. Please note that this software may have a negative impact on the system's stability and thus should not be employed in production or mission-critical environments.

"Swapd" is a daemon that watches free memory and manages swap files. If free memory drops too low, additional swap files are created. Additionally, if there is too much free memory, swap files are deactivated and disk space may be reclaimed. "Linux swapd" (http://sourceforge.net/projects/swapd/) didn't work very well, but the idea was good. I started making a version that would work and would also be somewhat portable. It currently compiles on Linux and FreeBSD, but requires `libstatgrab' (http://www.i-scream.org/libstatgrab/) to work on platforms that don't have /proc/meminfo (i.e., platforms that aren't Linux).

Markdown is a text-to-HTML filter; it translates an easy-to-read and easy-to-write structured text format into HTML. Markdown's text format is most similar to that of plain text email, and supports features such as headers, *emphasis*, code blocks, blockquotes, and links. Markdown's syntax is designed not as a generic markup language, but specifically to serve as a front-end to (X)HTML. You can use span-level HTML tags anywhere in a Markdown document, and you can use block level HTML tags (like <div> and <table> as well). Text::MultiMarkdown implements the MultiMarkdown markdown syntax extensions from: http://fletcherpenney.net/multimarkdown/

Rarian is designed to be a replacement for scrollkeeper. It is currently undergoing heavy development. As of writing, rarian can be installed in place of scrollkeeper and everything will work okay. Rarian manages documentation metadata (as specified by the Open Source Metadata Framework (OMF) and provides a simple API to allow help browsers to find, sort, and search the document catalog. It will also be able to communicate with catalog servers on the Net to search for documents which are not on the local system.

This plugin implements the Catalyst::Authentication v.10 API. This plugin uses Net::LDAP to let your application authenticate against an LDAP directory. It has a pretty high degree of flexibility, given the wide variation of LDAP directories and schemas from one system to another. It authenticates users in two steps: 1) A search of the directory is performed, looking for a user object that matches the username you pass. This is done with the bind credentials supplied in the "binddn" and "bindpw" configuration options. 2) If that object is found, we then re-bind to the directory as that object. Assuming this is successful, the user is Authenticated.

[from README.decode]: This package contains extra decoding functions. SquirrelMail decoding functions are used to display and convert messages encoded in different character sets. Extra decoding library provides support of some complex Eastern character sets and some rarely used Apple character sets. Current release supports Big5, Windows-874 (cp874, Thai), Windows-949 (UHC, Korean), EUC-CN, EUC-JP, EUC-KR, EUC-TW, GB18030, GB2312, ISO-2022-CN, ISO-2022-JP, ISO-2022-JP-2, ISO-2022-KR, Shift_JIS and various x-mac-* character sets. Extra decoding library can be used in SquirrelMail 1.4.4 or newer. It depends on sq_is8bit() function. In order to optimize decoding of Eastern character sets, PHP installation needs recode (http://www.php.net/recode) or iconv (http://www.php.net/iconv) support. Some decoding functions can use mbstring functions present in php 4.3.0. Mbstring decoding needs sq_mb_list_encodings() function from SquirrelMail 1.5.1 or 1.4.6. Some decoding code that be activated only when $aggressive_decoding variable is set to true. This variable should be enabled only on smaller systems, that don't call aggressive decoding functions very often. Turning on $aggressive_decoding variable by default in packaged SquirrelMail versions is not recommended.

CryptoFS is a encrypted filesystem for Filesystem in Userspace (FUSE) and the Linux Userland FileSystem (LUFS). Visit http://fuse.sourceforge.net/ for more information on FUSE, or http://lufs.sourceforge.net/lufs/ for more information on LUFS. CryptoFS will use a normal directory to store files encrypted. The mountpoint will contain the decrypted files. Every file stored in this mountpoint will be written encrypted (data and filename) to the directory that was mounted. If you unmount the directory the encrypted data can only be access by mounting the directory with the correct key again. Like other FUSE/LUFS filesystems it does not need root access or any complicated setup like creating a filesystem on a encrypted disk using the loop device. CryptoFS can be build for FUSE, and LUFS. When you build for FUSE you get a program to mount the filesystem. For LUFS a shared library will be built that can be used by LUFS's lufsd. Both methods can use the same encrypted directory.