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What if a simple mental exercise could improve your memory and intelligence? A recent study published in PNAS, an important scientific journal, shows that a particular memory task called Dual N-Back actually improves working memory (short term memory) and fluid intelligence. This finding is important because fluid intelligence was previously thought to be unchangeable. The game involves remembering a sequence of spoken letters and a sequence of positions of a square at the same time. In addition to its ability to closely replicate the conditions of the original study by Jaeggi et al. (2008), Brain Workshop includes optional extended game modes such as Triple N-Back and Arithmetic N-Back. It also includes features such as statistics tracking, graphs and easy configurability.

exMARS combines the latest advance in corewar simulation technology, with proactive performance optimizations. Actually exMARS is a redcode simulator, just like exhaust and pMARS. In fact, I have shamelessly taken sourcecode from pMARS, exhaust, some ideas from qMars, a shot of optimizations, shook everything well, and garnished everything with a high level interface for Ruby. The resulting program has the following main features: * Uses the parser from pMARS, so no previous parsing is necessary. At first this was my main motivation for exMARS. * Speed: 50% faster than pmars on a Pentium III, and often more than twice as fast than pmars on a Pentium 4 (using gcc 3.3.1, and the same compiler options). * Rewritten the code in a more object oriented way, which allows different Mars at the same time in the same program, it should also be thread save. * To get Ruby interface you can install games/ruby-exmars port.

Jin is an open source, cross platform, graphical client (interface) for chess servers. It currently supports these servers: * The Internet Chess Club (aka ICC) * The Free Internet Chess Server (aka FICS) A short list of Jin's main features: * Graphical chess board with many board patterns and piece sets to choose from. You can also create your own * Chat/Command console with (customizable) color-coding for different types of chat/text * A seek graph, showing the currently sought games in a visual manner * Flexible game logger, which saves your finished games to your hard disk (doesn't work in JinApplet) * A scripter, which allows you to define automatic responses to certain events * A list of common actions, which can be quickly executed at the press of a button

Explore other star systems. Earn money by trading, carrying passengers, or completing missions. Use your earnings to buy a better ship or to upgrade the weapons and engines on your current one. Blow up pirates. Take sides in a civil war. Or leave human space behind and hope to find some friendly aliens whose culture is more civilized than your own... Endless Sky is a sandbox-style space exploration game similar to Elite, Escape Velocity, or Star Control. You start out as the captain of a tiny space ship and can choose what to do from there. The game includes a major plot line and many minor missions, but you can choose whether you want to play through the plot or strike out on your own as a merchant or bounty hunter or explorer.

Tanglet is a single player word finding game based on Boggle. The object of the game is to list as many words as you can before the time runs out. There are several timer modes that determine how much time you start with, and if you get extra time when you find a word. You can join letters horizontally, vertically, or diagonally in any direction to make a word, so as long as the letters are next to each other on the board. However, you can not reuse the same letter cells in a single word. Also, each word must be at least three letters on a normal board, and four letters on a large board.

The computer calculates a combination of five characters (each between A and J) and you have to try to find out the combination the computer has calculated. Your questions to the computer are also combinations of five characters (each between A and J). You get sets of black and/or white blocks as answers to your questions. If you get a black block as answer it means that there is one character in your try at the correct position (but you don't know which one it is). If you get a white block as answer it means that there is a character in your guess that also occurs in the solution, but at another position (but you don't know which one it is and at which position it would be correct).

Objective Caml is an implementation of the ML language, based on the Caml Light dialect extended with a complete class-based object system and a powerful module system in the style of Standard ML. Objective Caml comprises two compilers. One generates bytecode which is then interpreted by a C program. This compiler runs quickly, generates compact code with moderate memory requirements, and is portable to essentially any 32 or 64 bit Unix platform. Performance of generated programs is quite good for a bytecoded implementation: almost twice as fast as Caml Light 0.7. This compiler can be used either as a standalone, batch-oriented compiler that produces standalone programs, or as an interactive, toplevel-based system. The other compiler generates high-performance native code for a number of processors. Compilation takes longer and generates bigger code, but the generated programs deliver excellent performance, while retaining the moderate memory requirements of the bytecode compiler.

Petite Chez Scheme is a complete Scheme system that is fully compatible with Chez Scheme but uses high-speed threaded interpreter technology in place of Chez Scheme's incremental native-code compiler. Programs written for Chez Scheme run unchanged in Petite Chez Scheme, as long as they do not depend specifically on the compiler. In fact, Petite Chez Scheme is built from the same sources as Chez Scheme, with all but the compiler sources included. Petite Chez Scheme was conceived as a freely distributable run-time environment for compiled Chez Scheme applications. To serve this purpose, it needed to have a complete run-time environment, including, for many applications, a working evaluator. The result is a system that is useful not only to our customers for the applications they distribute, but also to people who want to use a top-quality Scheme system and can't justify purchasing Chez Scheme.

Alpine is a screen-oriented message-handling tool for news, and POP, IMAP, and local e-mail. In its default configuration it offers a limited set of functions geared toward the novice user, but it also has a large list of optional "power-user" and personal-preference features. Alpine's basic feature set includes: * View, Save, Export, Delete, Print, Reply and Forward messages. Compose messages in a simple editor with word-wrap and a spelling checker. Messages may be postponed for later completion. * Selection and management of message folders. * Address book to keep a list of long or frequently-used addresses. Personal distribution lists may be defined. Addresses may be taken into the address book from incoming mail without retyping them. * New mail checking/notification occurs automatically (configurable). * On-line, context-sensitive help screens. Alpine supports MIME (Multipurpose Internet Mail Extensions), an Internet Standard for representing multipart and multimedia data in email.

SMTP feed -- SMTP Fast Exploding External Deliverer for Sendmail Smtpfeed is a SMTP delivery agent which is called by sendmail, and it improves required time to complete delivery of copies of a message to recipients of huge number. This delay of delivery by sendmail causes by the fact that implementation of SMTP delivery routine in sendmail processes all delivery in a series. For this reason, when it takes long time for delivery to one recipient which is in a huge list, delivery to following recipients is greatly influenced. To avoid such a problem, delivery agents should be implemented so that a delivery is not influenced by preceding delivery: DNS query and SMTP delivery par destination should be processed in parallel. Smtpfeed is the SMTP delivery agent for sendmail implemented with this idea.