Open Source JavaScript Scientific/Engineering Software

JavaScript Scientific/Engineering Software

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Browse free open source JavaScript Scientific/Engineering Software and projects below. Use the toggles on the left to filter open source JavaScript Scientific/Engineering Software by OS, license, language, programming language, and project status.

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  • 1

    GeographicLib

    Geographic library

    GeographicLib is a small C++ library for: geodesic and rhumb line calculations; conversions between geographic, UTM, UPS, MGRS, geocentric, and local cartesian coordinates; gravity (e.g., EGM2008) and geomagnetic field (e.g., WMM2020) calculations.
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    Downloads: 53,435 This Week
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  • 2
    Sweet Home 3D

    Sweet Home 3D

    An interior design application to draw house plans & arrange furniture

    Download the full version at: https://www.sweethome3d.com/download.jsp?adid=sourceforge Sweet Home 3D is an interior design application that helps you to quickly draw the floor plan of your house, arrange furniture on it, and visit the results in 3D.
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    Downloads: 28,361 This Week
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  • 3
    FlightGear - Flight Simulator

    FlightGear - Flight Simulator

    FlightGear Flight Simulator: free open-source multiplatform flight sim

    Founded in 1997, FlightGear is developed by a worldwide group of volunteers, brought together by a shared ambition to create the most realistic flight simulator possible that is free to use, modify and distribute. FlightGear is used all over the world by desktop flight simulator enthusiasts, for research in universities and for interactive exhibits in museums. FlightGear features more than 400 aircraft, a worldwide scenery database, a multi-player environment, detailed sky modelling, a flexible and open aircraft modelling system, varied networking options, multiple display support, a powerful scripting language and an open architecture. Best of all, being open-source, the simulator is owned by the community and everyone is encouraged to contribute.
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    Downloads: 2,496 This Week
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  • 4
    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 quantum chemistry programs. Files can be transferred directly from several databases, including RCSB, EDS, NCI, PubChem, and MaterialsProject. Multiple files can be loaded and compared. A rich scripting language and a well-developed web API allow easy customization of the user interface. Features include interactive animation and linear morphing. Jmol interfaces well with JSpecView for spectroscopy, JSME for 2D->3D conversion, POV-Ray for images, and CAD programs for 3D printing (VRML export).
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    Downloads: 934 This Week
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  • 5
    Bridge Designer and Contest

    Bridge Designer and Contest

    A national virtual bridge engineering contest for kids of all ages.

    **Unfortunately, the Bridge Contest is no longer operational. We hope the code base will be of use to others with similar projects in mind.** A national virtual bridge engineering contest with prizes for middle and high school kids, grades 6 to 12, but anyone can enter for fun. Based on the award-wining Bridge Designer client software, now open source through this project. Web site infrastructure supports worldwide participation in qualifying and semifinal rounds with a tiny administrative staff. The new Rails back end is a RubyMine project. Thanks to JetBrains for this mega development environment!
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    Downloads: 2,948 This Week
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  • 6
    CNCjs

    CNCjs

    A web-based interface for CNC milling controller running Grbl, Marlin,

    A web-based interface for CNC milling controller running Grbl, Smoothieware, or TinyG. It runs on a Raspberry Pi or a laptop computer that you have Node.js installed, connecting to the Arduino over a serial connection using a USB serial port, a Bluetooth serial module, or a Serial-to-WiFi module like XBee or USR-WIFI232-T.
    Downloads: 79 This Week
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  • 7
    OpenMRS

    OpenMRS

    Open source Health IT for the planet

    OpenMRS is a community-developed, open source, enterprise electronic medical record system. Our mission is to improve health care delivery in resource-constrained environments by coordinating a global community to creates and support this software.
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    Downloads: 431 This Week
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  • 8
    Grafana

    Grafana

    Leading open-source visualization and observability platform

    Grafana OSS is a leading open-source visualization and observability platform that lets you query, visualize, alert on, and explore your data—regardless of where it’s stored. With support for 100+ data source plugins (such as Prometheus, Loki, Elasticsearch, InfluxDB, SQL/NoSQL databases, OTel, and more), you can unify metrics, logs, traces, and other observability signals in one place. Grafana OSS empowers you to build dynamic, reusable dashboards with rich visualizations, template variables, interactive filtering, and cross-panel linking. Its Explore mode enables ad-hoc queries and side-by-side comparisons of time ranges, queries, and data sources. Grafana also includes built-in alerting, allowing you to define threshold-based rules and send notifications to external systems (e.g. Slack, PagerDuty, OpsGenie). Backed by a strong community (https://grafana.com/community/) and open governance, Grafana OSS is free to use, modify, and deploy under the AGPL-3.0 license.
    Downloads: 31 This Week
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  • 9
    OpenClinic GA

    OpenClinic GA

    Open Source Integrated Hospital Information Management System

    OpenClinic GA is an open source integrated hospital information management system covering management of administrative, financial, clinical, lab, x-ray, pharmacy, meals distribution and other data. Extensive statistical and reporting capabilities. OpenClinic GA and OpenClinic GMAO are owned by Frank Verbeke, MD, PhD at Post-Factum BV (https://www.post-factum.be)
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    Downloads: 150 This Week
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  • 10
    MathJax

    MathJax

    Beautiful and accessible math in all browsers

    A JavaScript display engine for mathematics that works in all browsers. No more setup for readers. It just works. MathJax provides tools to transform your content from traditional print sources into modern, accessible web content and ePubs. The MathJax team is available to train your staff in using our resources for preparing online teaching material and creating accessible STEM content. MathJax is highly flexible and can be tailored to the needs of your institution by creating customized configurations and specialized software workflows. MathJax uses CSS with web fonts or SVG, instead of bitmap images or Flash, so equations scale with surrounding text at all zoom levels. MathJax is highly modular on input and output. Use MathML, TeX, and ASCIImath as input and produce HTML+CSS, SVG, or MathML as output. MathJax works with screenreaders & provides expression zoom and interactive exploration. You also can copy equations into Office, LaTeX, wikis, and other software.
    Downloads: 21 This Week
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  • 11
    Leaflet

    Leaflet

    Open-source JavaScript library for mobile-friendly interactive maps

    Leaflet is a leading open source JavaScript library for creating interactive, mobile-friendly maps. Leaflet is light at just about 38 KB, but is already fully equipped with all the mapping features you could need. Leaflet is simple but efficient. It doesn’t try to do everything for everybody, rather it focuses on making the basic things work perfectly. It comes ready with exceptional layering tools, customization features such as pure CSS3 popups and controls, map controls and more right out of the box, and works on all major desktop and mobile platforms. Leaflet also comes with a range of interaction features, and can be extended with an abundance of great plugins.
    Downloads: 20 This Week
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  • 12
    Open Nautical Charts
    Open Nautical Charts offers free seacharts for everybody. This charts are usable (offline) with several ship-plotters and Navigation-equipement on board. kap, Png, Jpr, png-cal, For user with Open CPN or SeaClear and other.
    Downloads: 73 This Week
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  • 13
    MathCast Equation Editor
    A Mathematics Equation Editor. Lets you type in equations, which can be added to documents, emails, and webpages or simply exported to picture files. It features a simple graphical interface, equation list management, MathML support, and the unique feature "Mathcasting" for adding math to XHTML.
    Downloads: 74 This Week
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  • 14
    Kibana

    Kibana

    Your window into the Elastic Stack

    Kibana is a analytics and search dashboard for Elasticsearch that allows you to visualize Elasticsearch data and efficiently navigate the Elastic Stack. With Kibana you can visualize and shape your data simply and intuitively, share visualizations for greater collaboration, organize dashboards and visualizations, and so much more.
    Downloads: 10 This Week
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  • 15
    Seeker

    Seeker

    Accurately Locate Smartphones using Social Engineering

    Seeker is an open source project that demonstrates how to obtain precise location information from devices using social engineering and web-based techniques. The tool sets up a phishing page that asks for location permissions, allowing GPS and other device data to be shared if the user consents. It can capture latitude, longitude, accuracy, altitude, direction, and even speed, with results displayed in a terminal. The project supports both manual deployment and tunneling services like Ngrok for external access. While primarily intended as an educational resource on security awareness, it highlights the risks of exposing geolocation data online. Its simplicity and effectiveness have made it a popular project in cybersecurity learning circles.
    Downloads: 9 This Week
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  • 16
    ScadaBR

    ScadaBR

    Open source SCADA

    We are now on GitHub: https://github.com/ScadaBR/ScadaBR ScadaBR is a SCADA (Supervisory Control and Data Acquisition) system with applications in Process Control and Automation, being developed and distributed using the open source model.
    Downloads: 62 This Week
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  • 17
    GeigerLog

    GeigerLog

    Python program for Geiger counters and Environmental Sensors

    GeigerLog is a combination of data logger, presenter, and analyzer, and is now released in version 2.1! Based on Python (Version 3), it runs on Linux, Windows, Macs, Raspberry Pi, and other. GeigerLog is WiFi-enabled for servers and clients; it can be monitored by SmartPhone. Initially developed for Geiger counters, it is now a more universal tool, which equally well handles data like temperature, air-pressure, humidity, CO2. Continues to support Geiger counters like GQ Electronic's GMC-300/500/600 , RadMon, RadPro, Gamma-Scout, audio-click and other low-cost Geiger counters, IoT devices, I2C based sensors, GQ EMF devices. GeigerLog reads data from devices, saves them to databases, prints to screen and plots as auto-updated, customizable graphs. Quality control using Statistics, Scatter, Poisson, FFT & Autocorrelation, and more. Gamma Spectra - can be displayed, calibrated, and evaluated in GeigerLog! The Raspberry Pi 4, 5 qualify as GeigerLog hosts.
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    Downloads: 70 This Week
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  • 18
    Mapbox GL JS

    Mapbox GL JS

    Interactive, thoroughly customizable maps in the browser

    Mapbox GL JS is a JavaScript library that uses WebGL to render interactive maps from vector tiles and Mapbox styles. It is part of the Mapbox GL ecosystem, which includes Mapbox Mobile, a compatible renderer written in C++ with bindings for desktop and mobile platforms. Mapbox GL JS is part of the cross-platform Mapbox GL ecosystem, which also includes compatible native SDKs for applications on Android, iOS, macOS, Qt, and React Native. Mapbox provides building blocks to add location features like maps, search, and navigation into any experience you create. To get started with GL JS or any of our other building blocks, sign up for a Mapbox account. In addition to GL JS, this repository contains code, issues, and test fixtures that are common to both GL JS and the native SDKs. Mapbox GL JS v2 enables 3D mapping with elevated terrain, customizable skies and atmospheric lighting, a new camera, and performance enhancements.
    Downloads: 6 This Week
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  • 19
    MathMod

    MathMod

    MathMod is a mathematical modeling software

    MathMod is a portable interactive plotting and graphing program for Windows, Linux, MacOSX and many other platforms. MathMod allows to plot 3D mathematical surfaces, described by implicit or parametric equations, and offers a very large database of model samples that can be generated with it. It's Free and Open Source. Change-log for MathMod-13.0 (15/11/2025) 1) Scripts generator to add thickness to iso/parametric surfaces 2) Undo/Redo commands for navigating through previous scripts 3) New scripts, Bug-fixes, code optimization and documentation update For a complete list of changes made during the course of development, please visit: https://github.com/users/parisolab/projects/2
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    Downloads: 29 This Week
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  • 20
    JSmol

    JSmol

    JavaScript-Based Molecular Viewer From Jmol

    JSmol is the extension of the Java-based molecular visualization applet Jmol (jmol.sourceforge.net) as an HTML5 JavaScript-only web app. It can be used in conjunction with the Java applet to provide an alternative to Java when the platform does not support that (iPhone/iPad) or does not support applets (Android). Used in conjunction with the Jmol JavaScript Object (http://wiki.jmol.org/index.php/Jmol_Javascript_Object), JSmol seamlessly offers alternatives to Java on these non-Applet platforms. JSmol can read all the files that Jmol reads. You can do all the scripting that Jmol does. You can create all the buttons and links and such that you are used to creating for Jmol. All of the rendering capability of the Jmol applet is there. JSmol has both a console and a popup menu. JSmol is integrated fully with JSME and JSpecView. A "lite" version of JSmol provides minimal functionality (balls and sticks only) for extremely small-bandwith apps. Released 1/12/2013
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    Downloads: 37 This Week
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  • 21
    GeoNetwork opensource - Metadata Catalog
    A web based Metadata Catalog Server for data description and discovery. Supports both generic and geospatial data discovery. It implements international standards (e.g. ISO19115/19139/19119, ISO19115-3, DCAT-AP, CSW 2.0, OGC API Records). It originates from the United Nations and is used by many governments as geoportal software. Active development and discussion takes place on GitHub and OSGeo Discourse. You can also connect directly with the companies supporting the development. Source code available on github https://github.com/geonetwork/
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    Downloads: 110 This Week
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  • 22
    OpenLayers

    OpenLayers

    A high-performance, feature-packed library for all your mapping needs

    OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles, vector data and markers loaded from any source. OpenLayers has been developed to further the use of geographic information of all kinds. It is completely free, Open Source JavaScript, released under the 2-clause BSD License (also known as the FreeBSD). Pull tiles from OSM, Bing, MapBox, Stamen, and any other XYZ source you can find. OGC mapping services and untiled layers also supported. Render vector data from GeoJSON, TopoJSON, KML, GML, Mapbox vector tiles, and other formats. Leverages Canvas 2D, WebGL, and all the latest greatness from HTML5. Mobile support out of the box. Build lightweight custom profiles with just the components you need. Style your map controls with straight-forward CSS. Hook into different levels of the API or use 3rd party libraries to customize and extend functionality.
    Downloads: 4 This Week
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  • 23
    OSHMI - Open Substation HMI

    OSHMI - Open Substation HMI

    SCADA HMI for substations, IoT and automation applications

    Now with IEC61850 support! This project combines existing open source projects and tools to create a very capable, mobile and cloud-friendly HMI system that can rival proprietary software. This approach makes it possible to join forces of each project (Chromium, SVG/HTML5, PHP, Lua, SQLite, Inkscape, Lib61850, OpenDNP3, Nginx, Vega, PostgreSQL, Grafana,…) to achieve a great set of open, evergreen, modular and customizable tools for building great HMIs for automation projects. This is not a toy project! It's been actually used in dozens of substations up to 230kV level and also in control centers with configurations up to 70.000 tags. Feel free to ask questions in the "Discussion" section. Help sponsoring OSHMI here https://github.com/sponsors/riclolsen. >>> Have a look also at my new SCADA project here: https://github.com/riclolsen/json-scada
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    Downloads: 28 This Week
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  • 24
    SingleSkin

    SingleSkin

    Software for design single skin kites, speedgliders and paragliders

    All-in-one software for desing single skin paragliders like Ozone XXLite. Allow to modify wing shape, profile, settings. Allow to print sew templates with scale 1:1 in A4 or other small printer's formats. Export sew templates to DXF. Main code writen in Javascript, GUI writen in Visual C# 2010 Express.
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    Downloads: 36 This Week
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  • 25
    Lithology Docker for CorelDraw

    Lithology Docker for CorelDraw

    For the design of geological sections, illustrations

    Telegram chat https://t.me/+cDV5ccIDOJ42OTc6 Telegram group https://t.me/+qvT9A2fX5-c5YWMy YouTube channel https://www.youtube.com/@finich1981 Lithology is a docker for CorelDRAW, which is designed to build geological sections, geological maps, and well mapping schemes. Installation You can use the installer, which is located in the setup folder Or install it manually from the archive in the zip folder There are two folders in the archive Lithology and LithologyResources Copy the Lithology folder to c:\Program Files\Corel\CorelDRAW Graphics Suite XXXX\Programs64\Addons\ Copy the LithologyResources folder to c:\Users \{Your user}\AppData\Roaming\Corel\CorelDRAW Graphics Suite XXXX\Custom Data\ Launch CorelDRAW, open docker from the menu Window-> Windows settings-> Lithology
    Downloads: 55 This Week
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