Free handling software for linux

JFwadmin provides a Java high level GUI for ipchains.

JFwadmin is a Java 2 high-level X11 tool for ipchains.

The GUI displays easy-to-understand services.

Features include scripts generation, firewall save and restore, automatic interface and IP address and routes detection, current firewall configuration display, and handling of masq-modules and port-forwarding.

C++ Command Line Library provides a framework for handling command line options and arguments. Either variables (of any type) are set to values given at the command line. Or user defined functions are called with arguments (of any type) read from the command line.
It was developed and tested using kdevelop 2.1 and gcc 2.95.3 on SuSE Linux 7.3.x
Main features:
- Easy extraction of command line arguments
- Automatic conversion of command line arguments to any type (even user defined classes)
- Convenient handling of command line usage errors by exceptions
- Complete documentation
- And all this is absolutely free

pandoc is an implementation of markdown (and much more) in Haskell.
It can convert markdown-formatted text to HTML, LaTeX, rich text format, reStructuredText, or an S5 HTML slide show.
pandoc can also convert HTML, LaTeX, and reStructuredText to markdown.
Enhancements:
- This release fixes bugs in handling of ordered lists (in markdown) and raw HTML (in markdown and HTML).

Whats On Air is a suite of programs that can handle radio stations metadata. Such metadata is the currently playing track as well as the last playing tracks and some general informations about the radio stations.

wlan-ui is a very small Linux GUI tool for connecting to wireless networks. It is written in perl, and is a basic example of using perl with Gtk and Glade.

There is also some simple process handling (forking off a process, collecting output, killing the process if cancelled).

Jakelib2 is a cross platform C++ class library with a Java-like API. An automatic garbage collector is used to take care of unused objects.

External libraries like PCRE or GTK+ are beeing integrated to provide the programmer with a homogeneous, easy to use programming environment that covers every days tasks like string handling, data storage, networking, or GUI programming.

GStreamer is a library that allows the construction of graphs of media-handling components, ranging from simple Vorbis and Ogg playback to complex audio (mixing) and video (non-linear editing) processing.
Applications can take advantage of advances in codec and filter technology transparently. Developers can add new codecs and filters by writing a simple plugin with a clean, generic interface.
Main features:
- Parallel installability with 0.8.x series
- Threadsafe design and API
- new id3 demuxer (replaces the mad one in gst-plugins-ugly)
- memleak fixes in avidemux, wavparse, level, smoke
- ports of multipart,
- fixes in flacdec, flxdec, rtp
- documentation updates on videomixer
- added new sunaudiosink, gconfaudiosrc and gconfvideosrc elements