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

  • Keep company data safe with Chrome Enterprise Icon
    Keep company data safe with Chrome Enterprise

    Protect your business with AI policies and data loss prevention in the browser

    Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.
    Download Chrome
  • Print management system for direct buyers, brokers, in-plants and printers. Icon
    Print management system for direct buyers, brokers, in-plants and printers.

    P3Software is a premier provider of intelligent print management solutions.

    P3Software's affordable print management system, is ideally suited for corporate, non-profit and educational print buyers, print managers, in-plants and print manufacturers. Designed by print experts, this easy-to-use print procurement management system helps users manage the print sourcing and buying workflow, from initial job specification to project delivery. Core features include bid and buy or direct buy, customer proposal (estimate), customer direct ordering, enhanced CRM, powerful reporting, easy access to current and historical data, and outstanding training and support.
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  • 1
    Mongoose Embedded Web Server

    Mongoose Embedded Web Server

    An embedded web server

    Mongoose is a networking library for C/C++. It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, MQTT. It is designed for connecting devices and bringing them online. On the market since 2004, used by vast number of open source and commercial products - it even runs on the International Space Station! Mongoose makes embedded network programming fast, robust, and easy. Cross-platform, works on Linux/UNIX, MacOS, Windows, Android, FreeRTOS, etc. Supported embedded architectures: ESP32, NRF52, STM32, NXP, and more. Built-in protocols: plain TCP/UDP, HTTP, MQTT, Websocket. SSL/TLS support: mbedTLS, OpenSSL or custom (via API). Used to solve a wide range of business needs, like implementing Web UI interface on devices, RESTful API services, telemetry data exchange, remote control for a product, remote software updates, remote monitoring, and others.
    Downloads: 17 This Week
    Last Update:
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  • 2
    AniVu

    AniVu

    All-in-one Android app for RSS, BitTorrent dl & play

    AniVu, is an all-in-one tool for RSS subscription and updates, bit torrent downloads, and video playback. AniVu utilizes the MVI architecture and fully adopts the Material You design style. All pages are developed using Jetpack Compose.
    Downloads: 2 This Week
    Last Update:
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  • 3
    ServiceStack

    ServiceStack

    Simple, fast, versatile and full-featured services framework

    One framework to power them all. Write your HTTP APIs once and take advantage of end-to-end typed integrations for all popular web, mobile and desktop platforms. ServiceStack's primary goal is to enhance the value of System APIs which serve as the blueprint that most features centered around. By using simple & pure dependency-free DTO models decoupled from any implementation we're free to continue layering on features which now sees ServiceStack APIs as the most versatile in the world where the same high-performance APIs can be consumed from HTTP in any combination of Route, QueryString, FormData or a myriad of data formats, via popular resilient MQ Servers whilst simultaneously supporting legacy integrations like SOAP or adopting new technologies like gRPC without sacrificing any native HTTP integrations. To maximize the value of APIs we're focused beyond the API boundary by making it as simple as possible for API Consumers to call your APIs.
    Downloads: 2 This Week
    Last Update:
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  • 4
    wallabag

    wallabag

    A self hostable application for saving web pages

    wallabag extracts the article's content (and only its content!) and displays it in a comfortable view. If you already have an account on Pocket, Readability, Instapaper or Pinboard, you can import your data into wallabag. If you're a developer and you want to connect your application to wallabag, we offer you an API. You can use wallabag on your computer, thanks to our web application. But you can also take wallabag everywhere. For example, it's possible to save an article on your laptop at work, start to read it on your smartphone in the subway and finish reading it on your ereader in your bed. wallabag is supported by many feed aggregators (or RSS readers). wallabag.it is the quality service that you need to host wallabag. For only €9 per year, you'll get a quality hosting, a professional support, automatic upgrades and daily backups.
    Downloads: 1 This Week
    Last Update:
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  • EasySend is a no-code platform that transforms customer journeys Icon
    EasySend is a no-code platform that transforms customer journeys

    Defy form limits. 
Create digital experiences.

    Evolve forms into smart, AI-powered digital workflows that streamline your data intake and elevate customer experiences.
    Learn More
  • 5

    ErpNet.FP

    Server for printing to fiscal printers

    ErpNet.FP is a light-weight cross-platform Http server facilitating printing to fiscal printers through simple JSON Api.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Loid is used to work with Java and Objective-C to simplify data exchange bindings. Loid can generate meta-information available at run-time. Requesting clients or applications can inference on the meta-information for data binding.
    Downloads: 0 This Week
    Last Update:
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  • 7
    NewsBlur

    NewsBlur

    NewsBlur is a personal news reader that brings people together

    NewsBlur is an open-source, full-stack RSS news reader and social reading platform with a hosted service and native clients. The backend crawls and parses feeds at scale, stores stories, and pushes updates to users in near real time, while the web app and mobile apps provide rich reading experiences. Its hallmark is “training”: you can tell the system what you like or dislike—authors, keywords, tags—and it prioritizes stories accordingly, surfacing what matters most. Features like saved stories, tagging, full-text search, and offline reading make it practical for heavy information consumers. Social elements allow sharing to your own “blurblog,” following friends, and discovering curated content, which turns a solitary reader into a lightweight network. Architecturally, it demonstrates a production-ready aggregation pipeline, a multi-tenant web app, and cross-platform clients living in one coherent codebase.
    Downloads: 0 This Week
    Last Update:
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  • 8
    SALATI

    SALATI

    Prayer Times for iPhone and Android built-in Calendar

    Add Prayer Times to your built-in Calendar App. Many Countries and Cities available via https://salati.de SALATI provides prayer times as iCal File Format that can subscribed to your Calendar for all platforms supporting webcal and ics Format like Outlook, Apple Calendar, Google Calendar, iOS and Android. Free Service
    Downloads: 0 This Week
    Last Update:
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  • 9
    "Spoted" is a location-based application for Android-phones. It is created for collecting and sharing your favorite "Spots" according to a kind of sport like Skateboarding or Parkour. Have fun!
    Downloads: 0 This Week
    Last Update:
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  • Call center software with almost endless possibilities Icon
    Call center software with almost endless possibilities

    Squaretalk is an integration-friendly cloud communications platform for sales and support teams.

    Powerful and versatile communications platform with automations and integrations made simple. So simple, you’ll have time for the other parts of your business.
    Learn More
  • 10
    Synder

    Synder

    Atom/RSS/SearchSuggestion/OPML processing framework

    Synder is an Atom/RSS/SearchSuggestion/OPML processing framework It is Optimized For Android, but works with Java SE/EE. Synder has a small-footprint, low memory consumption. The only dependency for parsing is a SAX2 implementation.
    Downloads: 0 This Week
    Last Update:
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  • 11

    TechDoc

    Technical documentation for mobile phones

    TechDoc is a distributed system composed of a number of applications: a central java based web application using a SQLite database to import Technical documentation from CSV files (catalogue + files) and an Android based app or an iPhone/iPad app to install in a mobile phone, which is synchronized with the central web application and is able to work off-line and show the catalogue and files (e.g. PDF files). iPhone/iPad app can be downloaded through the Apple App Store. The Android version is available in this site as well as in the Android Market.
    Downloads: 0 This Week
    Last Update:
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  • 12
    WebRemote

    WebRemote

    Use an android device as a RemoteControl for web-connected devices.

    Those of us who are tinkerers, web developers, and/or sys admins sometimes need to quickly hit a complex URL and read the response. This might be done for the sake of testing an API method, or reading a sensor at a remote location. Cheap, small webservers are now commonplace, and the temptation is to use the (now ubiquitous) smart phone as a remote control for all of these new web-connected devices. https://play.google.com/store/apps/details?id=com.sapienciaexmachina.webremote#?t=W251bGwsMSwxLDIxMiwiY29tLnNhcGllbmNpYWV4bWFjaGluYS53ZWJyZW1vdGUiXQ..
    Downloads: 0 This Week
    Last Update:
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  • 13

    WinCC Open Architecture C# Framework

    C# Framework for WinCC OA Open Architecture connectivity (XMLRPC)

    Author: Andreas Vogler Homepage: www.rocworks.at Communication .Net client to WinCC Open Architecture. Works fine with MonoTouch and Mono for Android! GPLv3 License is used for the public domain. If you plan to use it in a CLOSED SOURCE project, please get in touch with me - andres.vogler@gmail.com ! Communication can be done directly with XMLRPC or with the included proxy: * .net remoting is used for "commands" from the client to the proxy (dpConnect, dpQueryConnect). * tcp (xml over tcp) for sending unsolicited data/events from the proxy to the client. The proxy also acts as a distributor - if clients have the same dp(Query)Connects, the connects are done once, and the proxy will forward it to the clients. Easy example for a dpQueryConnect with a delegate: client.DpQueryConnectSingle((object s, ArrayList a) => { Console.WriteLine("event!); }, "SELECT '_online.._value', '_online.._stime' FROM '*.**'");
    Downloads: 0 This Week
    Last Update:
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  • 14

    email-validation-api.com

    Email Address Verification API

    We provide a High Quality / Real-Time Email address Verification API. We perform checks on both local username and domain name parts of the Email address syntax. Our system evaluate a score based on the username syntax risk, as well as some deep server verifications, such as: MX records existence, SMTP host, open ports, and the answers after a socket conversation between our server and the SMTP host. Our API will answer to your requests using the output format of your choice, with the results of several verifications, available to you from the different fields as described in our documentation. You are free to make use of those check points for your own needs, but you can also simply rely on our score indicator, which is based on the whole analysis, in order to quickly decide which addresses to keep or better to drop. (Basically with a score from 90 to 100 you are good to go) In addition, we offer a Windows Desktop software making a simple use of our API.
    Downloads: 0 This Week
    Last Update:
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  • 15
    focuslab_control
    Software para controle de laboratório ótico, Client-Server com tecnologias Java para backend e Delphi para frontend.
    Downloads: 0 This Week
    Last Update:
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  • 16

    stafftracker

    Track your roaming staff, know their whereabouts and give them orders

    Track your roaming staff, know their whereabouts and give them orders instantly. Works with web admin app, Android, Nokia etc. clients...
    Downloads: 0 This Week
    Last Update:
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