CellProfiler - Free Microscope Image Processing Software

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CellProfiler is free, open-source cell image analysis software. Its strength is in processing large numbers of images, even hundreds of thousands. In theory it can be used on images of any sort. In particular, it has been geared for scientists analyzing images of cells, a type of Microscope image processing.

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Blender - Free Computer Simulation Download

Developer(s) The Blender Foundation
Stable Release 2.49b / September 3, 2009; 13 months ago (2009-09-03)
Preview Release 2.54 Beta / September 12, 2010; 50 days ago (2010-09-12)
Written in C, C++, and Python
Operating System Linux
Mac OS X
Microsoft Windows
FreeBSD
IRIX
Solaris
Type 3D Computer Graphics
License GNU General Public License v2 or later
Website www.blender.org

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Blender is a free 3D graphics application that can be used for modeling, UV unwrapping, texturing, rigging, water and smoke simulations, skinning, animating, rendering, particle and other simulations, non-linear editing, compositing, and creating interactive 3D applications, including video games, animated film, or visual effects.

Blender's features include advanced simulation tools such as rigid, realistic body, fluid, cloth and softbody dynamics, modifier-based modeling tools, powerful character animation tools, a node-based material and compositing system and Python for embedded scripting.

Released as free software under the GNU General Public License, Blender is available for a number of operating systems, including GNU/Linux, Mac OS X, and Microsoft Windows

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SimPy - Free Computer Simulation Download

Developer(s) SimPy developer community
Stable Release 2.1.0 / [June 2010]
Written in Python
Operating System Cross-platform
Type Discrete event simulation
License LGPL
Website SimPy.SourceForge.net


SimPy is a process-based, object-oriented discrete-event simulation language. It is implemented in standard Python and released as open source software under the GNU Lesser General Public License (LGPL). It provides the modeller with components for building a simulation model including Processes, for active entities like customers, messages, and vehicles, and Resources, for passive components that form limited capacity congestion points like servers, checkout counters, and tunnels. There are two varieties of Buffer classes, Levels to hold stored quantities and Stores to hold sets of objects. It has commands to aid interaction between entities. It provides Monitor and Tally objects to aid in gathering statistics but the generation of random variates depends on the standard Python random module.

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Because it is implemented in Python, SimPy is platform-independent.

SimPy simulates parallel processes by an efficient implementation of coroutines using Python's generators capability. It is based on ideas from Simula and SIMSCRIPT II.5.

The first version was released in December 2002. Version 2.0, including an object-oriented but compatible interface and new documentation, was released in January 2009. Version 2.0.1, was released in April 2009.

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