DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks).

If you've ever looked at your ssh log (/var/log/secure on Redhat, /var/log/auth.log on Mandrake, etc...) you may be alarmed to see how many hackers attempted to gain access to your server. Hopefully, none of them were successful (but then again, how would you know?). Wouldn't it be better to automatically prevent that attacker from continuing to gain entry into your system?...

Plack is a Perl module and namespace that contains a set of reference server implementations, middleware and utility modules for PSGI, Perl Web Server Gateway Interface.

PNP4Nagios is an addon to nagios which analyzes performance data provided by plugins and stores them automatically into RRD-databases (Round Robin Databases, see RRDTool).

During development of PNP we set value on easy installation and little maintenance while running it. An administrator should do other things than configure graphing tools....

OpenLP is an open source worship presentation program written specially for churches. It can display songs, Bible verses, videos, images and even PowerPoint presentations if PowerPoint XP or higher is installed.

OpenLP keeps a database of songs, which you can add, edit and update. You can import songs from other openlp.org songs databases or even other presentation applications....

Elixir is a declarative layer on top of SQLAlchemy. It is a fairly thin wrapper, which provides the ability to define model objects following the Active Record design pattern, and using a DSL syntax similar to that of the Ruby on Rails ActiveRecord system....

Byobu is a Japanese term for decorative, multi-panel screens that serve as folding room dividers. As an open source project, Byobu is an elegant enhancement of the otherwise functional, plain, practical GNU Screen. Byobu includes an enhanced profile and configuration utilities for the GNU screen window manager, such as toggle-able system status notifications....

Synchronizes multiple folders with each other, keeping them up-to-date. One folder of each pair is kept encrypted.

Very useful when using cloud storage tools like SkyDrive, GDrive or Dropbox.

qpsmtpd is a flexible smtpd daemon written in Perl. Apart from the core SMTP features, all functionality is implemented in small "extension plugins" using the easy to use object oriented plugin API.

qpsmtpd was originally written as a drop-in qmail-smtpd replacement, but now it also includes smtp forward, postfix, exim and maildir "backends"....

Linq provider for MySQL, Oracle, SQL Server, PostgreSQL, SQLite, Ingres and Firebird

ROS (Robot Operating System) provides libraries and tools to help software developers create robot applications. It provides hardware abstraction, device drivers, libraries, visualizers, message-passing, package management, and more.

This is just the core part of the ros platform, common tools and stacks can be found in this project:...