flickrfs

virtual filesystem for flickr online photosharing service

Flickrfs is a virtual filesystem which mounts on your machine like any other partition. Once mounted it retrieves information about your photos hosted on your flickr account, and shows them as files. You can easily copy photos from your local machine to this mount and it will automatically upload them to your flickr account. Similarly you can copy the files from your mount to the local machine and it will download your images from flickr.

libjakarta-ecs-java

Element construction set for various markup languages

Generation API directly supports HTML 4.0 and XML, but can easily be extended to create tags for any markup language. Documents are created through native Java objects instead of generating the markup directly.
Flight Gear Flight Simulator

flightgear

Flight Gear Flight Simulator

FlightGear Flight Simulator (often shortened to FlightGear or FGFS) is a sophisticated free, completely open-source flight simulator framework, created by volunteers.
Flexible, Ruby based make

rant

Flexible, Ruby based make

Similar to make, the rant commandline tool reads a file called Rantfile, which contains task definitions. Unlike make, however, an Rantfile is just a valid script written in the Ruby programming language. Since Ruby comes with many useful libraries and is portable across many different operating systems, it is easy to write portable Rantfiles.
slowly modify the color of the X root window

floatbg

slowly modify the color of the X root window

Subtly changes the color of the root window over time, so slowly that it won't be noticed. This is a good alternative to placing a picture in the root window.

flow-tools

collects and processes NetFlow data

Flow-tools is library and a collection of programs used to collect, send, process, and generate reports from NetFlow data. The tools can be used together on a single server or distributed to multiple servers for large deployments. The flow-tools library provides an API for development of custom applications for NetFlow export versions 1,5,6 and the 14 currently defined version 8 subversions. A Perl and Python interface have been contributed and are included in the package.