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Elan is an educational programming language for learning and teaching systematic programming. It was developed in 1974 by a group at the Technical University of Berlin as an alternative to BASIC in teaching, and approved for use in secondary schools in Germany by the "Arbeitskreis Schulsprache". It is presently in use in a number of schools in Western Germany, Belgium, The Netherlands and Hungary for informatics teaching in secondary education, and used at the Radboud University Nijmegen in the Netherlands for teaching systematic programming to students from various disciplines and in teacher courses.

PyPy is a fast, compliant alternative implementation of the Python language (2.7.1). It has several advantages and distinct features: - Speed: thanks to its Just-in-Time compiler, Python programs often run faster on PyPy. - Memory usage: large, memory-hungry Python programs might end up taking less space than they do in CPython. - Compatibility: PyPy is highly compatible with existing python code. It supports ctypes and can run popular python libraries like twisted and django. - Sandboxing: PyPy provides the ability to run untrusted code in a fully secure way. - Stackless: PyPy can be configured to run in stackless mode, providing micro-threads for massive concurrency. - As well as other features.

Gnat_Util is a library uniting a number of GNAT sources that are used by different tools. At the moment Gnat_Util provides GNAT sources needed by ASIS, GNATCOLL and Gprbuild. Its main purpose is allowing to simultaneously use tools like ASIS and GNATCOLL (and other ones based on GNAT sources, if they are to come), which would normally cause name conflicts between the same GNAT sources that they use. Building both of them using same set of sources that is Gnat_Util solves this problem.

This is v2.0 of a Basic Interpreter by Phil J. A. Cockcroft earlier versions used to be known as Rabbit Basic. According to an earlier lisencing document: === This code is being put in the Public Domain since I will soon loose network connectivity (I am leaving my job) and I don't particularly want to sell it. This system does not contain any proprietary software. All the algorithms are original or come from publicly available sources. There are no licensing restrictions on this code or documentation at all. I only ask that you give appropriate credit to the author. === So, there you have it. :)

tcbasic implements a small subset of BASIC known as Tiny BASIC. It provides the following statements and commands: INPUT, PRINT, LET, GOTO, GOSUB, RETURN, IF, END, CLEAR, LIST, RUN, and STOP. Integer and floating point arithmetic is supported, and strings may be PRINTed. The following built-in functions are provided: SIN, COS, TAN, COT, ATN, EXP, LOG, ABS, SQR, RND. The small size of the language make it easy to learn and master while providing all of the building blocks needed to develop many interesting programs. tcbasic runs on a variety of platforms and aims to be as portable as possible.

Mail Avenger is a highly-configurable, MTA-independent SMTP server daemon. It lets users run messages through filters like ClamAV and SpamAssassin during SMTP transactions, so the server can reject mail before assuming responsibility for its delivery. Other unique features include TCP SYN fingerprint and network route recording, verification of sender addresses through SMTP callbacks, SPF (sender policy framework) as a general policy language, qmail-style control over both SMTP-level behavior and local delivery of extension addresses, mail-bomb protection, integration with kernel firewalls, and more.

Courier pythonfilter pythonfilter is a framework for developing courierfilter programs in Python. The pythonfilter program itself is a multi-threaded daemon that loads filters as python modules and passes the control and data files from courier to each module in turn. pythonfilter includes several modules that provide utility functions. These modules are found in the "courier" directory. The "config" module provides functions to access or interpret Courier's configuration settings. The "control" module provides functions to interpret Courier's control files. pythonfilter is distributed under the GNU General Public License (GPL), as described in the COPYING file.

The OpenChange MAPI library aims to provide interoperability with an Open Source implementation of Microsoft Exchange protocols under UNIX/Linux. The current implementation offers a client-side library which can be used in existing messaging clients and offer native compatibility with Exchange Servers up to 2007. MAPI stands for Messaging Application Programming Interface and is used in the Microsoft Exchange Server groupware server. This solution works with Outlook and provides collaborative features such as a messaging server, shared calendars, contact databases, public folders and tasks.

MIME::Lite is intended as a simple, standalone module for generating (not parsing!) MIME messages... specifically, it allows you to output a simple, decent single- or multi-part message with text or binary attachments. It does not require that you have the Mail:: or MIME:: modules installed. To use the built-in SMTP interface (and thereby avoid calling sendmail) please install the Net module through ports/net/p5-Net, or stand alone. This package will contain the Net::SMTP code required. If you need more sophisticated behaviour from MIME, please install the MIME::tools package instead.

qmailanalog is a collection of tools to help you analyze qmail-send's activity record. It supplies statistics to answer a wide variety of questions: * overall: how many messages? recipients? attempts? etc. * ddist: how soon were 50% of the messages delivered? 90%? 95%? 99%? * rxdelay: what's the best order of recipients for mailing lists? * recipients, rhosts: who's getting mail? bytes? messages? attempts? * successes, failures, deferrals: why? how often? how much delay? * senders, suids: messages? bytes? load? recipients? attempts? delay? qmailanalog also includes several tools to focus attention on particular senders, recipients, or messages.