Open Source Java Scientific/Engineering Apps for Android

Java Scientific/Engineering Apps for Android

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

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  • 1
    OpenCV

    OpenCV

    Open Source Computer Vision Library

    The Open Source Computer Vision Library has >2500 algorithms, extensive documentation and sample code for real-time computer vision. It works on Windows, Linux, Mac OS X, Android, iOS in your browser through JavaScript. Languages: C++, Python, Julia, Javascript Homepage: https://opencv.org Q&A forum: https://forum.opencv.org/ Documentation: https://docs.opencv.org Source code: https://github.com/opencv Please pay special attention to our tutorials! https://docs.opencv.org/master Books about the OpenCV are described here: https://opencv.org/books.html
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    4.7 out of 5 stars 123 Reviews
    Downloads: 4,141 This Week
    Last Update:
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  • 2
    RTranslator

    RTranslator

    Open source real-time translation app for Android that runs locally

    RTranslator is a free, open-source Android application designed for real-time multilingual communication through locally running artificial intelligence. It translates conversations without requiring continuous internet access after the necessary models are downloaded. The application combines speech recognition, neural machine translation, and text-to-speech synthesis. Its Conversation mode connects multiple smartphones to translate speech between participants in their preferred languages. WalkieTalkie mode enables two people to communicate using a single phone with automatic language detection. RTranslator also provides conventional text translation and Bluetooth headset integration. Using models such as Whisper and locally executed translation engines, it emphasizes privacy and offline accessibility for international communication.
    Downloads: 14 This Week
    Last Update:
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  • 3
    OpenRocket
    An Open Source model rocket simulator.
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    4.9 out of 5 stars 12 Reviews
    Downloads: 61 This Week
    Last Update:
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  • 4
    Advanced Trigonometry Calculator

    Advanced Trigonometry Calculator

    Open-source C/C++ math engine for advanced scientific computing

    Advanced Trigonometry Calculator (ATC) is an open-source mathematical computing engine written mainly in C/C++. Created in 2011 and maintained by Renato Alexandre dos Santos Freitas, ATC is designed as a practical Windows desktop application for advanced calculations, automation, and technical problem solving. ATC supports equation solving, polynomial tools, complex numbers, matrix calculations, statistics, physics, geometry, unit conversions, DSP/FFT operations, and scripting. It can also process batch TXT files, making it useful for repeatable calculations and automated workflows. The project also includes ATC Online Alpha, a WebAssembly-based version that brings parts of the ATC engine to the web. ATC is released under the GPLv3 license and is made in Portugal.
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    5.0 out of 5 stars 2 Reviews
    Downloads: 48 This Week
    Last Update:
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  • 5
    GoGoGo

    GoGoGo

    A virtual location tool implemented using the Android debugging API

    GoGoGo, also known as VirtGO, is an Android GPS location spoofing application that allows users to simulate their device's geographic location without physically moving. The app uses Android's mock location APIs and map integration to let users select virtual locations, search for destinations, or manually enter GPS coordinates. GoGoGo features a floating joystick that enables users to simulate movement in different directions while using other applications. Users can create custom travel routes with multiple waypoints, adjust movement speeds, and simulate walking, running, or cycling. The app also includes location history, saved destinations, GPX file import and export, and customizable GPS parameters such as altitude, accuracy, and update intervals. 影梭(VirtGO)是一款适用于 Android 的虚拟定位工具,支持地图选点、地点搜索、坐标输入和 GPS 位置模拟,无需 Root 即可使用。它还提供路线规划、模拟移动、悬浮摇杆控制、速度调节、位置收藏以及 GPX 文件导入导出等功能,适用于应用开发、定位测试和地图功能验证。
    Downloads: 4 This Week
    Last Update:
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  • 6
    GpsMid
    Java Midlet to use OpenStreetMap data on a J2ME ready Mobile. Displays a moving map using external or internal GPS, shows the street name on which you are. There is Navigation support for car drivers, bicyclists and pedestrians plus many more ...
    5.0 out of 5 stars 42 Reviews
    Downloads: 16 This Week
    Last Update:
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  • 7
    OpenBot

    OpenBot

    OpenBot leverages smartphones as brains for low-cost robots

    OpenBot leverages smartphones as brains for low-cost robots. We have designed a small electric vehicle that costs about $50 and serves as a robot body. Our software stack for Android smartphones supports advanced robotics workloads such as person following and real-time autonomous navigation. Current robots are either expensive or make significant compromises on sensory richness, computational power, and communication capabilities. We propose to leverage smartphones to equip robots with extensive sensor suites, powerful computational abilities, state-of-the-art communication channels, and access to a thriving software ecosystem. We design a small electric vehicle that costs $50 and serves as a robot body for standard Android smartphones. We develop a software stack that allows smartphones to use this body for mobile operation and demonstrate that the system is sufficiently powerful to support advanced robotics workloads such as person following and real-time autonomous navigation.
    Downloads: 3 This Week
    Last Update:
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  • 8
    Andruav

    Andruav

    Android companion computers for drones & RC vehicles

    Andruav is an interconnected Android-based system that uses mobile phones as companion computers to add advanced capabilities to your drones and RC vehicles. It saves you a lot of gear and wiring by replacing dedicated FPV equipment, telemetry radios, and ground stations with a single Android phone. What you need Just two Android devices running Andruav: One device stays on the vehicle as the companion computer — connected to your flight controller over USB, streaming FPV video from its camera, and relaying telemetry. The other device becomes your ground station — displaying live video, telemetry, map position, and flight controls. The two devices talk to each other over WiFi or 3G / 4G / 5G, giving you telemetry range limited only by your mobile network instead of your radio.
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    5.0 out of 5 stars 1 Review
    Downloads: 31 This Week
    Last Update:
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  • 9
    Bluetooth GPS for Android

    Bluetooth GPS for Android

    An application for using an external bluetooth GPS on Android devices

    An application for using an external bluetooth GPS on Android devices. The application connects to a Bluetooth device (NMEA GPS) and creates a GPS provider which can be used to replace the internal GPS.
    5.0 out of 5 stars 5 Reviews
    Downloads: 12 This Week
    Last Update:
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  • 10
    Mobile Open-Source Software and Tools

    Mobile Open-Source Software and Tools

    Android, UIQ 3.0, Series 60 Edition 5 open-source software

    Android, Symbian UIQ 3.0 and Symbian Series 60 Edition 5 open-source software, tools, libraries and themes. Most notable the FX-602P / FX-603P Simulator and the HP-45 Emulator are hosted here.
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    5.0 out of 5 stars 1 Review
    Downloads: 21 This Week
    Last Update:
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  • 11
    JLibModbus - Java Modbus Library

    JLibModbus - Java Modbus Library

    A modbus library implemented in Java.

    JLibModbus is an implementation of the Modbus protocol v1.1b in java language. The library supports the most popular communication libraries (jssc, rxtx, jSerialComm, purejavacomm, java comm api); Maven dependency: <dependency> <groupId>com.intelligt.modbus</groupId> <artifactId>jlibmodbus</artifactId> <version>1.2.9.7</version> </dependency> Implemented MODBUS functions: 0x01 Read Coils 0x02 Read Discrete Inputs 0x03 Read Holding Registers 0x04 Read Input Registers 0x05 Write Single Coil 0x06 Write Single Register 0x07 Read Exception Status 0x08 Diagnostics 0x0B Get Comm Event Counter 0x0C Get Comm Event Log 0x0F Write Multiple Coils 0x10 Write Multiple Registers 0x11 Report Slave Id 0x14 Read File Record 0x15 Write File Record 0x16 Mask Write Register 0x17 Read Write Multiple Registers 0x18 Read Fifo Queue 0x2B Encapsulated Interface Transport (Read Device Identification interface)
    4.8 out of 5 stars 5 Reviews
    Downloads: 8 This Week
    Last Update:
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  • 12

    GPSInfo

    Apl. móvil de Información georeferenciada + visor 3D escritorio

    Plataforma de creación de información georeferenciada desde dispositivo móvil. Aplicación de escritorio 3D para explotación de la información. NEW: actualizada apk para soporte hasta Android 4.4 KitKat
    Downloads: 28 This Week
    Last Update:
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  • 13
    GPSLogger

    GPSLogger

    Lightweight GPS Logging Application For Android

    GPSLogger is an Android app that logs GPS information to various formats (GPX, KML, CSV, NMEA, Custom URL) and has options for uploading (SFTP, OpenStreetMap, Google Drive, Dropbox, Email). This app aims to be as battery efficient as possible. GPSLogger uses the GPS capabilities of your Android phone to log coordinates to GPS format files at regular intervals. This can be particularly useful if you want to geotag your photos after a day out or share your travel route with someone. The purpose of this application is to be battery efficient to save you battery power when abroad and last as long as possible.
    Downloads: 1 This Week
    Last Update:
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  • 14
    J2ObjC

    J2ObjC

    A Java to iOS Objective-C translation tool and runtime

    J2ObjC is an open-source command-line tool from Google that translates Java source code to Objective-C for the iOS (iPhone/iPad) platform. This tool enables Java source to be part of an iOS application's build, as no editing of the generated files is necessary. The goal is to write an app's non-UI code (such as application logic and data models) in Java, which is then shared by web apps (using GWT), Android apps, and iOS apps. J2ObjC supports most Java language and runtime features required by client-side application developers, including exceptions, inner and anonymous classes, generic types, threads and reflection. JUnit test translation and execution is also supported. J2ObjC cannot convert Android binary applications. Developers must have source code for their Android app, which they either own or are licensed to use.
    Downloads: 1 This Week
    Last Update:
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  • 15
    UnifiedNlp

    UnifiedNlp

    Alternative network location provider for Android

    UnifiedNlp is a free, open-source Android network location provider designed to determine device locations without relying on Google's proprietary location services. It uses a plugin-based architecture that allows third-party backends to supply geographical positioning information. Supported backends can estimate locations from nearby Wi-Fi networks, cellular towers, and compatible location databases. Users can select and configure different providers according to their privacy and accuracy requirements. The software integrates with Android's network-based location functionality on compatible installations. It supports devices running without Google applications and provides a variant for systems with Google services installed. UnifiedNlp is also incorporated into microG GmsCore. Its modular design offers an alternative approach to network geolocation on Android.
    Downloads: 1 This Week
    Last Update:
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  • 16
    OpenOrienteering

    OpenOrienteering

    Former project page

    See https://www.openorienteering.org/apps/mapper/
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    5.0 out of 5 stars 10 Reviews
    Downloads: 5 This Week
    Last Update:
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  • 17
    Navigational Algorithms

    Navigational Algorithms

    Navigational Algorithms - Marine navigation

    - Celestial Navigation: Sight Reduction, Line Of Position, Fix... - Positional Astronomy: Nautical Almanac, RA, GHA, Dec - Coastal Navigation: Range, Bering, Horizontal angles, IALA... - Sailings: Rhumbs, Loxodromic, Orthodromic, Meridional parts... - Weather , Tides - Software: PC, Android https://sites.google.com/site/navigationalalgorithms/
    5.0 out of 5 stars 1 Review
    Downloads: 10 This Week
    Last Update:
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  • 18
    Android 41CV
    A HP41CV simulator for the Android platform. This version is the second beta release and includes nearly all functionality of the HP41CV including running programmes. Programmes can be imported / exported on csv format. A simple programme editor incl
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    5.0 out of 5 stars 11 Reviews
    Downloads: 3 This Week
    Last Update:
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  • 19
    Wuweido 3D CAD

    Wuweido 3D CAD

    Free 3D Mobile CAD

    Wuweido is a professional 3D CAD on your phone or tablet. More than just a viewer, dozens of modeling tools are provided to create and modify 3D models in the most natural way. Wuweido allows you to import and export models in standard CAD format. Unlike Onshape™ on Cloud, Wuweido is running locally on your device and it's more like Rhino™ 3D on mobile. Wuweido is powered by OPEN CASCADE. OPEN CASCADE is an incredible powerful geometry kernel innovating quickly. Wuweido is inspired by CAD Assistant. Modeling features: 1. Draft creation tools: Line, Poly Line, Arc, Spline, Circle, Ellipse, Rectangle, Regular Polygon. 2. Primitive Solid creation tools: Box, Cone, Truncated Cone, Cylinder, Sphere, Torus, Wedge, Truncated Wedge, Pyramid, Truncated Pyramid. 3. Sweep modeling tools: Extrude, Revolve, Loft, Pipe, Path 4. Boolean operation tools: Intersect, Subtract, Union, Xor, Fuse 5. Transform tools: Move, Rotate, Mirror, Scale
    3.0 out of 5 stars 2 Reviews
    Downloads: 16 This Week
    Last Update:
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  • 20
    Symja Java Computer Algebra

    Symja Java Computer Algebra

    Symja - Java computer algebra language & symbolic math library

    Symja - computer algebra language and Java symbolic math library. Moved to https://github.com/axkr/symja_android_library. The Android App can be found at: https://github.com/axkr/symja-example
    5.0 out of 5 stars 1 Review
    Downloads: 7 This Week
    Last Update:
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  • 21
    Arduino CNC Controller

    Arduino CNC Controller

    APP for control a manual mill and obtain a CNC Mill

    APP for Android 3.1 or greater to implement a CNC Controller that send orders using USB port to Arduino Mega 2560 R3 board to control 3 stepper motor to have a real CNC mill /// APP para Android 3.1 o superior para implementar un Controlador de CNC que envia ordenes usando el puerto USB a la placa Arduino Mega 2560 R3 para controlar 3 motores paso a paso para tener una fresadora de CNC real.
    Downloads: 8 This Week
    Last Update:
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  • 22
    openBmap

    openBmap

    a free and open map of wireless communicating objects

    openBmap collects data and provides open maps and statistics of all communicating objects: cellular antennas, wifi hotspots. All softwares from back-end to client are open-source under AGPL v3 license.
    5.0 out of 5 stars 4 Reviews
    Downloads: 2 This Week
    Last Update:
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  • 23
    Geosearch

    Geosearch

    Allows you to monitor the movement of users on a Google map.

    Geosearch is a free/open source program to monitor the movement of users on a Google map. You can send SMS, make calls and find the optimal road to reach another user. Geosearch is an Android 4.0 application (API level 14).
    5.0 out of 5 stars 1 Review
    Downloads: 3 This Week
    Last Update:
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  • 24
    MobTracker

    MobTracker

    Android Mobile Tracking Platform

    Android Mobile Phone Tracking Platform merging sourceforge projects: https://sourceforge.net/projects/gpsmapper/ & https://sourceforge.net/projects/gpsinfo/ Android mobile GPS/Network location sended to server. Two kinds of viewers: 1. Google maps 2. NASA WorldWind
    Downloads: 5 This Week
    Last Update:
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  • 25
    medintux

    medintux

    Gestion de Cabinet Medical / Medical Patient Record

    Since 2 months, new version will arrive in QT5, with better integration of multimedia document and multilanguage support. If you have some specificity in your country, tell us we can integrate it. Medintux est une suite logicielle pour la gestion du cabinet médical et des services hospitaliers. Agrément ROSP, Compatible HAS avec le Vidal ou Thériaque, CIM10, codage CCAM. Liaison Sesam Vitale, Hprim, Apicrypt, Sigems. 100% Paramétrable et personnalisable. Environnement : Fonctionne sous MAC, Linux, PC, Android et mode Web intégré dans un navigateur. Fonctionnalités : Comptabilité, Gestion du dossier patient, Gestion documentaire, Gestion des admissions et des salles d'attentes. Aide à la prescription.... Base de donnée : Gestion client serveur avec Mysql. Supporte des milliers de dossiers sans ralentissement. Une communauté active avec plusieurs centaines d'utilisateurs au quotidien. Medintux est un projet mature utilisable au quotidien
    Downloads: 5 This Week
    Last Update:
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