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The Statistics::LineFit module does weighted or unweighted least-squares line fitting to two-dimensional data (y = a + b * x). (This is also called linear regression.) In addition to the slope and y-intercept, the module can return the square of the correlation coefficient (R squared), the Durbin-Watson statistic, the mean squared error, sigma, the t statistics, the variance of the estimates of the slope and y-intercept, the predicted y values and the residuals of the y values.

The Math::VectorReal package defines a 3D mathematical "vector", in a way that is compatible with the previous CPAN module Math::MatrixReal. However it provides a more vector oriented set of mathematical functions and overload operators, to the MatrixReal package. For example the normal perl string functions "x" and "." have been overloaded to allow vector cross and dot product operations. Vector math formula thus looks like vector math formula in perl programs using this package.

Graphillion is a Python software package on search, optimization, and enumeration for a graphset, or a set of graphs. - Lightweight data structures for handling x-illions of graphs - Search, optimization, and enumerate large and complex graph sets - Efficient implementation extending Python with C/C++ - Working with existing graph tools like NetworkX - Open source MIT license - Well tested: more than 600 unit tests - Fast prototyping, easy to teach, and multi-platform

Triangle generates exact Delaunay triangulations, constrained Delaunay triangulations, Voronoi diagrams, and quality conforming Delaunay triangulations. The latter can be generated with no small angles, and are thus suitable for finite element analysis. Show Me graphically displays (using X) the contents of geometric files, especially those generated by Triangle, my two-dimensional quality mesh generator and Delaunay triangulator. Show Me can also write PostScript images to files.

gtkfind is the program to use when you don't want to have to remember all the options to find(1). It is a graphical program that allows you to search for files and (optionally) perform operations on them. You can search for files by using wildcards, by matching file types and/or permissions, etc. gtkfind requires X and the GTK+ toolkit. It is still under development, but has reached a stage where it is actually useful.

uTox is lightweight Tox (https://github.com/irungentoo/ProjectTox-Core) client written in C. Simple and convenient program for confidential communication. Still early in development, though it already supports some of the most important features, like file transfers, A/V, group chats, and DNS Discovery. There are also binaries for other OS: Linux, Android, OS X and Windows, which makes it possible to communicate between users of different OS.

Bandwidth Monitor NG is a small and simple console-based live bandwidth monitor for Linux, BSD, Solaris, Mac OS X and others. Short list of features: * supports /proc/net/dev, netstat, getifaddr, sysctl, kstat and libstatgrab * unlimited number of interfaces supported * interfaces are added or removed dynamically from list * white-/blacklist of interfaces * output of KB/s, Kb/s, packets, errors, average, max and total sum * output in curses, plain console, CSV or HTML * configfile

GTK-VNC is a VNC viewer widget for GTK+. It is built using coroutines, allowing it to be completely asynchronous while remaining single threaded. It supports RFB protocols 3.3 through 3.8 and the VeNCrypt authentication extension providing SSL/TLS encryption with x509 certificate authentication. The core library is written in C and a binding for Python using PyGTK is available. The networking layer supports connections over both IPv4 and IPv6. Example code illustrates how to build a vncviewer replacement using either C or Python.

Hans makes it possible to tunnel IPv4 through ICMP echo packets, so you could call it a ping tunnel. This can be useful when you find yourself in the situation that your Internet access is firewalled, but pings are allowed. Hans runs on Linux as a client and a server. It runs on Mac OS X, iPhone/iPod touch, FreeBSD and OpenBSD as a client only.

pysmb is an experimental SMB/CIFS library written in Python. It implements the client-side SMB/CIFS protocol which allows your Python application to access and transfer files to/from SMB/CIFS shared folders like your Windows file sharing and Samba folders. It was tested with Windows XP SP3, Windows Vista, Windows 7 and Samba 3.x. Modules smb - Contains all the SMB operations and constants nmb - Contains some of the NetBIOS over TCP/IP operations which is necessary for the smb module to operate.