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  Analyzed about 13 hours ago

Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. Automatic graph drawing has many important applications in software engineering, database and web design, networking, and in visual interfaces for many other domains. Graphviz is open source graph visualization software. ... [More]

1.21M lines of code

9 current contributors

6 days since last commit

423 users on Open Hub

Moderate Activity



  Analyzed about 4 hours ago

SciPy is a collection of mathematical routines that builds on the NumPy array extension. It collects a large number of general-purpose scientific and engineering routines. With NumPy + SciPy, you can use Python much as you would use Octave, Scilab, Matlab, or IDL

458K lines of code

140 current contributors

About 9 hours since last commit

186 users on Open Hub

Very High Activity



  Analyzed 10 months ago

gnuplot plots 2d and 3d graphs, from a data file or with a formula. It has an interactive mode with online help, or it can be used non-interactively. gnuplot does function fitting to data sets, and it does output to many terminals, among which are PostScript, X11 display, PNG, and GIF (via the old gd library).

160K lines of code

7 current contributors

11 months since last commit

168 users on Open Hub

Activity Not Available
Licenses: No declared licenses



  Analyzed about 14 hours ago

R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S. There are some impo... [More]

728K lines of code

15 current contributors

1 day since last commit

141 users on Open Hub

Very High Activity

GNU Octave


  Analyzed about 21 hours ago

Octave is a high-level language, primarily intended for numerical computations. It provides a convenient command line interface for solving linear and nonlinear problems numerically, and for performing other numerical experiments. It may also be used as a batch-oriented language.

1.04M lines of code

102 current contributors

1 day since last commit

129 users on Open Hub

Very High Activity

Bullet Physics Engine


  Analyzed 2 days ago

Bullet is a 3D Collision Detection and Rigid Body Dynamics Library for games and special effects for film and animations. Bullet is integrated into many 3d modelers including Maya, Houdini, Cinema 4D, LightWave and Blender. It is free for commercial use and open source under the permissive ZLib License. Bullet is cross-platform for ... [More]

905K lines of code

26 current contributors

13 days since last commit

59 users on Open Hub

Moderate Activity

CLISP - an ANSI Common Lisp


  Analyzed 1 day ago

GNU CLISP is an ANSI Common Lisp implementation with an interpreter, compiler, debugger, object system (CLOS, MOP), sockets, fast bignums, arbitrary precision floats, and foreign language interface which runs on most UNIXes and Win32.

1.35M lines of code

1 current contributors

7 months since last commit

57 users on Open Hub

Very Low Activity

Maxima -- GPL CAS based on DOE-MACSYMA


  Analyzed about 7 hours ago

Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors. Maxima yields high precision numeric results by using exact... [More]

536K lines of code

17 current contributors

6 days since last commit

55 users on Open Hub

High Activity

Sage: Open Source Mathematics Software


  Analyzed 1 day ago

Sage is mathematical software, very much in the same vein as MATLAB, MAGMA, Maple, and Mathematica. Unlike these systems, every component of Sage is GPL-compatible. The interpretative language of Sage is Python, a mainstream programming language. Use Sage for studying a huge range of mathematics, including algebra, calculus, elementary... [More]

601K lines of code

160 current contributors

7 days since last commit

49 users on Open Hub

Very High Activity



  Analyzed 1 day ago

SymPy is a Python library for symbolic mathematics. It aims to become a full-featured computer algebra system (CAS) while keeping the code as simple as possible in order to be comprehensible and easily extensible. SymPy is written entirely in Python and does not require any external libraries, except optionally for plotting support.

242K lines of code

119 current contributors

2 days since last commit

37 users on Open Hub

Very High Activity