Showing 889 open source projects for "gnu operating system"

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  • 1

    42

    Simulation for spacecraft attitude control system analysis and design

    42 is a comprehensive general-purpose simulation of spacecraft attitude and orbit dynamics. Its primary purpose is to support design and validation of attitude control systems, from concept studies through integration and test. 42 accurately models multi-body spacecraft attitude dynamics (with rigid and/or flexible bodies), and both two-body and three-body orbital flight regimes, modelling environments from low Earth orbit to throughout the solar system. 42 simulates multiple spacecraft...
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    Downloads: 19 This Week
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  • 2
    iTop - IT Service Management & CMDB

    iTop - IT Service Management & CMDB

    An easy, extensible web based IT service management platform

    Whether you’re an infrastructure manager handling complex systems, a service support leader striving for customer satisfaction, or a decision-maker focused on ROI and compliance, iTop adapts to your processes to simplify your tasks, streamline operations, and enhance service quality. iTop (IT Operations Portal) by Combodo is an all-in-one, open-source ITSM platform designed to streamline IT operations. iTop offers a highly customizable, low-code Configuration Management Database (CMDB),...
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    Downloads: 747 This Week
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  • 3
    EtherApe
    EtherApe is a graphical network monitor modeled after etherman. Featuring Ethernet, IP, TCP, FDDI, Token Ring and wireless modes, it displays network activity graphically. Hosts and links change in size with traffic. Color coded protocols display.
    Downloads: 38 This Week
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  • 4
    XCSoar

    XCSoar

    ... the open-source glide computer

    XCSoar is a tactical glide computer for Android, Linux, macOS, and Windows.
    Downloads: 6 This Week
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  • 5
    Object-oriented database

    Object-oriented database

    Object-Oriented Database in C# with PowerShell interface

    - Suitable for mobile apps, enterprise software in C#, data science tasks. - Can be easily used as a local database in C# application or used as database server. - Nested data structures supported. - PowerShell interface for interactive mode and scripting. - Available as cloud database on ENGITEX own cloud as well as for local deployment. See project Wiki for more.
    Downloads: 0 This Week
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  • 6

    PLplot

    Cross-platform, scientific graphics plotting library

    PLplot is a cross-platform, scientific graphics plotting library that supports math symbols and human languages (via UTF-8 user input strings); plot capabilities for multiple non-interactive plot file formats and in multiple interactive environments; and bindings for multiple computer languages.
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    Downloads: 142 This Week
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  • 7
    Catbird Linux

    Catbird Linux

    Linux for content creation, web scraping, coding, and data analysis.

    Catbird Linux is a USB pluggable Live Linux operating system built for media creation, web scraping, and software coding. It is the daily driver you want for retrieving data, making videos or podcasts, and making software tools to automate the repetitive tasks. It is ready for work in Python, Lua, and Go languages, with numerous packages for web scraping or downloading data via API calls.
    Downloads: 12 This Week
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  • 8
    Asymptote

    Asymptote

    2D & 3D TeX-Aware Vector Graphics Language

    Asymptote is a powerful descriptive vector graphics language for technical drawing, inspired by MetaPost but with an improved C++-like syntax. Asymptote provides for figures the same high-quality typesetting that LaTeX does for scientific text.
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    Downloads: 147 This Week
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  • 9
    The Timeline Project

    The Timeline Project

    Cross-platform app for displaying and navigating events on a timeline.

    The Timeline Project aims to create a free, cross-platform application for displaying and navigating events on a timeline.
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    Downloads: 86 This Week
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  • 10
    Msc-generator

    Msc-generator

    Draws signalling charts, block diagrams and graphs from text input.

    NOTE! We have moved to https://gitlab.com/msc-generator/msc-generator All development happens there. Also, download new releases & submit issues there. A tool to draw various charts from textual descriptions. Currently, three types of charts are supported: Message Sequence Charts, generic Graphs, and Block Diagrams, with more to be added in the future. There is a command-line version for Linux and Mac (replacing mscgen), which now sports a GUI, as well. Msc-generator allows fine...
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    Downloads: 39 This Week
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  • 11
    Strings Edit

    Strings Edit

    String editing and formatting library for Ada

    Strings edit is a library that provides I/O facilities for integers, floating-point numbers, Roman numerals, and strings. Both input and output subroutines support string pointers for consequent stream processing. The output can be aligned in a fixed size field with padding. Numeric input can be checked against expected values range to be either saturated or to raise an exception. For floating-point output either relative or absolute output precision can be specified. UTF-8 encoded strings...
    Downloads: 0 This Week
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  • 12
    Chart2D
    A Java class library for visualizing quantitative data using two-dimensional category charts [pie, line, vertical bar, horizontal bar, scatter-plot (dot), combination, and overlay charts]. Charts are of type JComponent and BufferedImage.
    Downloads: 0 This Week
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  • 13
    PMViewer is a Visualization tool for Astrophysical N-Body and Hydro Simulations. GADGET-2 data support.With/Without periodical boundary conditions.Snapshot of scene in PPM and GIF formats.Flying in 3D space. Active/Passive Stereo 3D support.
    Downloads: 0 This Week
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  • 14
    Jmol

    Jmol

    An interactive viewer for three-dimensional chemical structures.

    Over 1,000,000 page views per month. Jmol/JSmol is a molecular viewer for 3D chemical structures that runs in four independent modes: an HTML5-only web application utilizing jQuery, a Java applet, a stand-alone Java program (Jmol.jar), and a "headless" server-side component (JmolData.jar). Jmol can read many file types, including PDB, CIF, SDF, MOL, PyMOL PSE files, and Spartan files, as well as output from Gaussian, GAMESS, MOPAC, VASP, CRYSTAL, CASTEP, QuantumEspresso, VMD, and many other...
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    Downloads: 467 This Week
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  • 15
    Altaxo Data Processing/Plotting Program

    Altaxo Data Processing/Plotting Program

    Data manipulation and plotting program with scripting

    Altaxo is a data manipulation and plotting program written in C# for MS.NET. It is featuring worksheet views and plot views, a scripting language (currently C#) for data processing and automation, import of data from ASCII files or from images, export of graphs and embedding of graphs in other documents.
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    Downloads: 1 This Week
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  • 16
    GeoTools, the Java GIS toolkit

    GeoTools, the Java GIS toolkit

    Toolkit for working with and mapping geospatial data

    GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data. GeoTools is an Open Source Geospatial Foundation project. The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
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    Downloads: 460 This Week
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  • 17
    Java Treeview - An Open Source, Extensible Viewer for Microarray Data in the PCL or CDT format
    Downloads: 16 This Week
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  • 18
    JaxoDraw

    JaxoDraw

    JaxoDraw: Feynman Diagrams made easy!

    JaxoDraw is a tool to generate Feynman diagrams in a mouse click-and-drag fashion. Graphs can be exported to a variety of graphics formats and arbitrary latex code can be used for labels to produce high-quality publishing-style figures.
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    Downloads: 36 This Week
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  • 19
    xoscope is a digital oscilloscope using input from a sound card or EsounD and/or a ProbeScope/osziFOX and will soon support Bitscope hardware. Includes 8 signal displays, variable time scale, math, memory, measurements, and file save/load.
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    Downloads: 14 This Week
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  • 20

    NeuroSuite

    Klusters, NeuroScope and NDManager

    NeuroSuite consists of three applications to visualize and process data from neurophysiological recordings. Klusters is a powerful and easy-to-use cluster cutting application designed to help neurophysiologists sort action potentials recorded from multiple neurons on groups of electrodes (e.g., tetrodes or multisite silicon probes). NeuroScope is an advanced viewer for electrophysiological and behavioral data: it can display local field potentials (EEG), neuronal spikes, behavioral...
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    Downloads: 49 This Week
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  • 21
    WxMAP2
    A python-based system to diagnosis and make weather maps (wxmap) of numerical weather prediction models using the Grid Analysis and Display System (GrADS) from opengrads.org
    Downloads: 3 This Week
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  • 22

    json-scada

    A portable SCADA/IoT platform centered on the MongoDB database server.

    Standard IT tools applied to SCADA/IoT (MongoDB, PostgreSQL/TimescaleDB,Node.js, C#, Golang, Grafana, etc.). MongoDB as the real-time core database, persistence layer, config store, SOE historian. Portability and interoperability over Linux, Windows, x86/64, ARM. Horizontal scalability, from a single computer to big clusters (MongoDB-sharding), Bare Metal, Docker containers, VM, cloud, or hybrid deployments. Unlimited tags, servers, and users. HTML5 Web interface. UTF-8/I18N. Protocols:...
    Downloads: 10 This Week
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  • 23
    Ngraph-gtk
    The repository was moved to GitHub https://github.com/htrb/ngraph-gtk User's manual https://htrb.github.io/ngraph-gtk/manual/ Japanese web page https://htrb.github.io/homepage/ngraph/ngraph-gtk.html
    Downloads: 4 This Week
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  • 24
    RLPlot is a scientific plotting program to produce high quality graphs from data. It is a cross platform development written in C/C++ and may be compiled under Windows32 or Linux. RLPlot for Linux uses Trolltech's Qt.
    Downloads: 2 This Week
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  • 25
    HPCC Systems

    HPCC Systems

    End-to-end big data in a massively scalable supercomputing platform.

    Important: As of April 20, 2026, this project can now be found at https://github.com/hpcc-systems/HPCC-Platform/releases. HPCC Systems® (www.hpccsystems.com) from LexisNexis® Risk Solutions is a proven, open source solution for Big Data insights that can be implemented by businesses of all sizes. With HPCC Systems, developers can design applications with Big Data at their core, enabling businesses to better analyze and understand data at scale, improving business time to results and...
    Downloads: 0 This Week
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