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VARKON can be used as a traditional CAD-system with drafting, modelling and visualization if you want to but the real power of VARKON is in parametric modelling and CAD applications development. VARKON includes interactive parametric modelling in 2D or 3D but also the unique MBS programming language integrated in the graphical environment. The system was originally developed by a group at the University of Linkoping in Sweden during 1984-86 under the leadership of Dr. Johan Kjellander who was then the president of Microform AB. From 1986 the system was owned, marketed and further developed by Microform AB.

What Is QCad? QCad is a professional CAD System. With QCad you can easily construct and change drawings with ISO-texts and many other features and save them as DXF-files. These DXF-files are the interface to many CAD-systems such as AutoCAD (c) and many others. What is QCad not? QCad is no designer tool. That means you can not create any filled shapes nor any crazy freehand forms. Also you can not drag and drop the objects in the drawing with the mouse. If you find any bugs, send a report to bugs@qcad.org.

Xwota is a very simple Linux/FreeBSD/xBSD client for the WOTA Database (Who is On The Air Database) written by me (IZ0ETE). It's very similar to a DX Cluster client, but it works with the WOTA server. If you don't known what is the WOTA DB, please read some info at http://www.wotadb.org. It's written in C and GTK, and it should work on the latest Linux/BSD distributions. Please report to me your successful installation. (Linux, FreeBSD at the moment)

ish is a format to encode binary files to text file, or decode text files into binary file. ish has strong error correction/detection functionality using CRC and checksum. This format is popular in Japanese BBS'es. To non-Japanese people: To produce non-Japanese text a user should use "-s7" option. Other options such as "-ss" may produce Japanese text. To Japanese people: To use ish over NetNews newsgroups (such as fj.*), use "-s7" option. Use of "-ss" will not give you the optimal performance. "-ss" option is just for BBSes that use Shift-JIS as their native Japanese encoding.

JLog is short for "journaled log" and this package is really an API and implementation that is libjlog. What is libjlog? libjlog is a pure C, very simple durable message queue with multiple subscribers and publishers (both thread and multi-process safe). The basic concept is that publishers can open a log and write messages to it while subscribers open the log and consume messages from it. "That sounds easy." libjlog abstracts away the need to perform log rotation or maintenance by publishing into fixed size log buffers and eliminating old log buffers when there are no more consumers pending.

It is pretty easy to gather status information from all sorts of things, ranging from the temperature in your office to the number of octets which have passed through the FDDI interface of your router. But it is not so trivial to store this data in a efficient and systematic manner. This is where RRDtool kicks in. It lets you log and analyze the data you gather from all kinds of data-sources. The data analysis part of RRDtool is based on the ability to quickly generate graphical representations of the data values collected over a definable time period.

Mango is a pure-Perl non-blocking I/O MongoDB driver, optimized for use with the Mojolicious real-time web framework, and with multiple event loop support. Since MongoDB is still changing rapidly, only the latest stable version is supported. Many arguments passed to methods as well as values of attributes get serialized to BSON with Mango::BSON, which provides many helper functions you can use to generate data types that are not available natively in Perl. All connections will be reset automatically if a new process has been forked, this allows multiple processes to share the same Mango object safely.

Memcached::libmemcached - Thin fast full interface to the libmemcached client API Memcached::libmemcached is a very thin, highly efficient, wrapper around the libmemcached library. It gives full access to the rich functionality offered by libmemcached. libmemcached is fast, light on memory usage, thread safe, and provide full access to server side methods. - Synchronous and Asynchronous support. - TCP and Unix Socket protocols. - A half dozen or so different hash algorithms. - Implementations of the new cas, replace, and append operators. - Man pages written up on entire API. - Implements both modulo and consistent hashing solutions.

RRD::Simple provides a simple interface to RRDTool's RRDs module. This module does not currently offer fetch method that is available in the RRDs module. It does however create RRD files with a sensible set of default RRA (Round Robin Archive) definitions, and can dynamically add new data source names to an existing RRD file. This module is ideal for quick and simple storage of data within an RRD file if you do not need to, nor want to, bother defining custom RRA definitions.

SQL::Interp converts a list of intermixed SQL fragments and variable references into a conventional SQL string and list of bind values suitable for passing onto DBI. This simple technique creates database calls that are simpler to create and easier to read, while still giving you full access to custom SQL. SQL::Interp properly binds or escapes variables. This recommended practice safeguards against "SQL injection" attacks. The DBI documentation has several links on the topic. Besides the simple techniques shown above, The SQL-Interpolate distribution includes the optional DBIx::Interp module.