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GraphViz

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  Analyzed about 15 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 ... [More] source graph visualization software. It has several main graph layout programs. See the gallery for some sample layouts. It also has web and interactive graphical interfaces, and auxiliary tools, libraries, and language bindings. [Less]

1.13M lines of code

13 current contributors

3 days since last commit

419 users on Open Hub

Moderate Activity
4.24138
   
I Use This

gnuplot

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  Analyzed about 1 year 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).

164K lines of code

3 current contributors

about 1 year since last commit

164 users on Open Hub

Activity Not Available
4.18367
   
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Licenses: No declared licenses

R

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  Analyzed over 1 year 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 ... [More] implementation of S. There are some important differences, but much code written for S runs unaltered under R. R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity. [Less]

764K lines of code

13 current contributors

over 1 year since last commit

151 users on Open Hub

Activity Not Available
4.51613
   
I Use This

GNU Octave

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  Analyzed about 5 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.

1.51M lines of code

71 current contributors

about 19 hours since last commit

130 users on Open Hub

Very High Activity
4.27273
   
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CLISP - an ANSI Common Lisp

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  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.

1.42M lines of code

5 current contributors

5 days since last commit

52 users on Open Hub

Moderate Activity
4.46667
   
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Maxima -- GPL CAS based on DOE-MACSYMA

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  Analyzed about 15 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 ... [More] precision numeric results by using exact fractions, arbitrary precision integers, and variable precision floating point numbers. Maxima can plot functions and data in two and three dimensions. The Maxima source code can be compiled on many systems, including Windows, Linux, and MacOS X. The source code for all systems and precompiled binaries for Windows and Linux are available at the SourceForge file manager. [Less]

568K lines of code

21 current contributors

1 day since last commit

51 users on Open Hub

High Activity
4.44828
   
I Use This

Sage: Open Source Mathematics Software

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  Analyzed about 18 hours 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 ... [More] , including algebra, calculus, elementary to very advanced number theory, cryptography, numerical computation, commutative algebra, group theory, combinatorics, graph theory, and exact linear algebra. It is available for download from sagemath.org and its mirrors in source or binary form. If you have any questions and/or problems please report them to the Google groups sage-devel or sage-support. You can also drop by in #sagemath on freenode IRC. [Less]

621K lines of code

125 current contributors

7 days since last commit

50 users on Open Hub

Very High Activity
4.73913
   
I Use This

SymPy

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  Analyzed about 17 hours 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.

314K lines of code

161 current contributors

1 day since last commit

38 users on Open Hub

Very High Activity
4.44444
   
I Use This

Anjuta DevStudio

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  Analyzed about 18 hours ago

Anjuta is a versatile Integrated Development Environment (IDE) for C and C++ in GNU/Linux. It has been written for GTK/GNOME, and features a number of advanced programming facilities. These include project management, application wizards, an onboard interactive debugger, and a powerful source editor ... [More] with source browsing and syntax highlighting. [Less]

394K lines of code

24 current contributors

12 days since last commit

35 users on Open Hub

Moderate Activity
3.64286
   
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mcrypt

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  Analyzed over 1 year ago

mcrypt is a program for encrypting files or streams. It is intended to be a replacement for the old UNIX crypt. It uses well-known and well-tested algorithms like BLOWFISH, AES, ARCFOUR, CAST-128, and more in several modes of operation. It also has a compatibility mode with the old UNIX crypt program and the des program found in Solaris.

149K lines of code

0 current contributors

about 6 years since last commit

33 users on Open Hub

Activity Not Available
4.2
   
I Use This
Licenses: No declared licenses