Showing 155 open source projects for "open source pos"

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    Demo Series - Small Business Backup By Veeam

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    Endpoint Management with Remote Control Built In

    Patch, monitor, and connect to Windows and macOS devices from one console

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  • 1
    Telegram Desktop

    Telegram Desktop

    Telegram Desktop messaging app

    Telegram Desktop is the official C++/Qt-based cross-platform client for Telegram, implementing the full Telegram API and MTProto protocol for secure messaging, voice/video calls, file sharing, and chat features. It provides message sync across devices, supports themes, stickers, bots, and is actively maintained.
    Downloads: 650 This Week
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  • 2
    AyuGram Desktop

    AyuGram Desktop

    Desktop Telegram client with good customization and Ghost mode.

    AyuGram Desktop is a powerful, open-source Telegram desktop client designed for users who want deeper control, privacy, and customization. Built as a fork of Telegram Desktop, it extends the core experience with advanced features while staying fast and familiar. AyuGram focuses heavily on privacy tools like ghost mode and anti-recall to give users more control over their messaging behavior.
    Downloads: 214 This Week
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  • 3
    Session Desktop

    Session Desktop

    A Decentralized, Onion Routed, Private Messenger

    Session Desktop is an open-source, privacy-focused messaging application that brings secure, decentralized communication to desktop environments such as Windows, macOS, and Linux, providing users with encrypted text, media, and group chats without requiring phone numbers or email addresses. Built on the Session protocol and the Loki network, it routes messages through a distributed onion-routing network that hides metadata like sender, timing, and location so that conversations are resistant to surveillance and correlation attacks. ...
    Downloads: 49 This Week
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  • 4
    DiscordChatExporter

    DiscordChatExporter

    Saves Discord chat logs to a file

    DiscordChatExporter is a cross-platform utility that allows users to export Discord chat histories into structured files for archival, analysis, or backup purposes. The tool connects to Discord accounts and retrieves message history from servers, channels, or direct messages, then converts the data into formats such as HTML or JSON. It is designed to preserve message structure, timestamps, attachments, and formatting so exported conversations remain easy to navigate and review. The project...
    Downloads: 52 This Week
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    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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  • 5
    Fluxer

    Fluxer

    A free and open source instant messaging and VoIP platform

    Fluxer is a free and open-source instant messaging and VoIP platform designed to provide communities, friend groups, and teams with a self-hostable communication alternative. The project combines real-time chat, voice calling, and community features into a unified system that can be deployed independently rather than relying on centralized proprietary services.
    Downloads: 16 This Week
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  • 6
    Signal Desktop

    Signal Desktop

    Private messenger for Windows, Mac, and Linux

    Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect. State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time. Share text, voice messages, photos, videos, GIFs and files for free. Signal uses your phone's data connection so you can avoid SMS and MMS fees. ...
    Downloads: 34 This Week
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  • 7
    Toxic

    Toxic

    A Tox-based instant messaging and video chat client

    Toxic is a Tox protocol-based command-line messenger for Linux, offering fully encrypted, decentralized, and serverless instant messaging. It includes features such as text messaging, file transfer, and audio calls—all without requiring user accounts or central servers. Toxic is designed for power users who prefer a minimalist interface, operating entirely within a terminal while delivering strong privacy through the Tox peer-to-peer protocol. It’s lightweight, fast, and ideal for use in...
    Downloads: 28 This Week
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  • 8
    ElasticMQ

    ElasticMQ

    In-memory message queue with an Amazon SQS-compatible interface

    ElasticMQ is a lightweight, fully asynchronous, in-memory message queue implementation written in Scala / Akka. It provides a feature-compatible Amazon SQS REST API interface for testing, local development, or embedded usage. It can persist queues or run purely in-memory and also supports Docker deployment and a web UI.
    Downloads: 17 This Week
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  • 9
    Sideband

    Sideband

    LXMF client for Android, Linux and macOS to communicate with people

    Sideband is a privacy-focused, peer-to-peer mesh messaging protocol and platform that allows users to communicate directly over local networks or the internet without servers. It emphasizes metadata resistance and secure message delivery, working effectively in offline, low-bandwidth, or disaster recovery scenarios. Built-in Rust, Sideband supports encrypted group messaging, file transfers, and network self-discovery. It is ideal for use in community networks, crisis response, and...
    Downloads: 19 This Week
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  • 10
    SimpleX

    SimpleX

    The first messaging platform operating without user identifiers

    Other apps have user IDs: Signal, Matrix, Session, Briar, Jami, Cwtch, etc. SimpleX does not, not even random numbers. This radically improves your privacy. The video shows how you connect to your friend via their 1-time QR-code, in person or via a video link. You can also connect by sharing an invitation link. Temporary anonymous pairwise identifiers SimpleX uses temporary anonymous pairwise addresses and credentials for each user contact or group member. It allows to deliver messages...
    Downloads: 26 This Week
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  • 11
    Franz 5

    Franz 5

    Franz is a free messaging app for services like WhatsApp, Slack, etc,

    Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Telegram and many many more. Franz supports a great variety of business and private messaging & chat services like Slack, WhatsApp, WeChat, Messenger, Telegram, Google Hangouts, Skype, Zendesk and many more. It does not matter if you just want to keep in touch with your friends or are managing a multi-seat customer care team. Franz got you covered. Franz allows you to add each service many times. This makes Franz the...
    Downloads: 28 This Week
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  • 12
    Tox

    Tox

    A New Kind of Instant Messaging

    ...Tox comes with all the great features you'd expect from an instant messenger application, including voice calls, video calls, file sharing and screen sharing. Everything done on Tox is encrypted using open-source libraries so you can be assured of completely private conversations. It also has no central servers that can be raided, shut down, or forced to turn over data. There are no corporate interests, no hidden agendas-- just simple, secure and easy to use messaging.
    Downloads: 11 This Week
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  • 13
    Ferdium

    Ferdium

    All your services in one place, built by the community

    Ferdium is a free, open-source desktop application that combines messaging platforms, productivity tools, and web services into a single interface. Based on Franz, it allows users to access multiple online accounts without constantly switching between browser tabs or standalone applications. The software supports a wide collection of services, including communication platforms, email clients, and collaboration tools.
    Downloads: 10 This Week
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  • 14
    Colanode

    Colanode

    Open-source and local-first Slack and Notion alternative

    Colanode is a free, open-source, local-first collaboration platform that combines team messaging, document editing, databases, and file management. Designed as an alternative to Slack and Notion, it provides self-hosted workspaces for individuals and organizations. Users can exchange messages, create rich-text pages, and organize projects through customizable databases.
    Downloads: 7 This Week
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  • 15
    ZapFast

    ZapFast

    ZapFast: a fast, native WhatsApp client in Rust and egui

    ZapFast is a free, open-source WhatsApp desktop client developed with Rust and egui. It provides a native messaging experience without relying on an embedded browser engine. Users can link their WhatsApp accounts through QR code scanning or phone number pairing. The application supports text messages, attachments, voice messages, stickers, reactions, polls, and message forwarding.
    Downloads: 7 This Week
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  • 16
    Caprine

    Caprine

    Elegant Facebook Messenger desktop app

    Caprine is an unofficial and privacy-focused Facebook Messenger app with many useful features. Caprine is feature complete. However, we welcome contributions for improvements and bug fixes. Dark theme, Vibrant theme, privacy-focused, keyboard shortcuts, menu bar mode, work chat support, code blocks, touch bar support, and custom styles. macOS 10.10+, Linux, and Windows 7+ are supported (64-bit only). For taskbar notification badges to work on Windows 10, you'll need to enable them in Taskbar...
    Downloads: 9 This Week
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  • 17
    64Gram

    64Gram

    64Gram (unofficial Telegram Desktop)

    64Gram is a free, open-source, unofficial Telegram desktop client based on the Telegram Desktop application. It provides familiar Telegram messaging functionality while introducing additional customization and management features. Users can communicate through private conversations, groups, channels, and voice chats. The software supports managing up to ten Telegram accounts within one installation.
    Downloads: 6 This Week
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  • 18
    Rasa

    Rasa

    Open source machine learning framework to automate text conversations

    Rasa is an open source machine learning framework to automate text-and voice-based conversations. With Rasa, you can build contextual assistants on Facebook Messenger, Slack, Google Hangouts, Webex Teams, Microsoft Bot Framework, Rocket.Chat, Mattermost, Telegram, and Twilio or on your own custom conversational channels. Rasa helps you build contextual assistants capable of having layered conversations with lots of back-and-forths.
    Downloads: 5 This Week
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  • 19
    qq-chat-exporter

    qq-chat-exporter

    Utility designed to extract, preserve, and back up chat histories

    qq-chat-exporter is a free, open-source utility designed to extract, preserve, and back up chat histories from Tencent QQ. It supports NT QQ and allows users to export conversations with individual contacts and groups. The application can save messages in formats including HTML, JSON, TXT, and Excel. It also retrieves multimedia attachments such as images, videos, and stickers for local storage.
    Downloads: 5 This Week
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  • 20
    Meshtastic

    Meshtastic

    Android application for Meshtastic

    Meshtastic Android is a free, open-source application that enables communication through decentralized LoRa mesh radio networks. It connects Android devices to compatible Meshtastic radio hardware, allowing users to exchange messages without relying on cellular networks or internet connectivity. The application supports encrypted text messaging, communication channels, and direct conversations between network participants.
    Downloads: 5 This Week
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  • 21
    Cinny Desktop

    Cinny Desktop

    Yet another matrix client for desktop

    Cinny Desktop is a free, open-source Matrix messaging client designed for secure and intuitive desktop communication. Built with Tauri, it provides a dedicated application for accessing decentralized Matrix conversations. Users can join rooms, exchange messages, and organize communities through Matrix Spaces. End-to-end encryption protects supported conversations and shared media.
    Downloads: 3 This Week
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  • 22
    Mixin Messenger

    Mixin Messenger

    Mixin Messenger desktop app for macOS, iPadOS, Linux, and Windows

    Mixin Messenger is a free, open-source messaging application designed for secure communication across desktop and mobile devices. Its Flutter-based client supports Windows, macOS, Linux, and iPadOS. The software uses the Signal Protocol to provide end-to-end encryption for messages, photos, audio, and shared files. Users can participate in private conversations and group chats while maintaining control over their communication privacy.
    Downloads: 3 This Week
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  • 23
    JiwuChat

    JiwuChat

    Lghtweight cross-platform instant messaging app

    JiwuChat is a free, open-source instant messaging application designed for communication across desktop, mobile, and web platforms. It supports real-time text conversations, group chats, multimedia messages, and file sharing. Users can make voice and video calls through WebRTC and share their screens during conversations. The application integrates AI assistants from providers such as DeepSeek, Gemini, and Kimi for individual and group interactions.
    Downloads: 3 This Week
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  • 24
    Robrix

    Robrix

    Robrix: a powerful multi-platform Matrix chat client written in Rust

    Robrix is a free, open-source Matrix messaging client designed for decentralized communication across desktop and mobile devices. Built with Rust and the Makepad UI toolkit, it provides a native interface for connecting to Matrix homeservers. Users can participate in chat rooms, exchange direct messages, and browse conversation histories. The application supports formatted messages, image attachments, reactions, replies, and message editing.
    Downloads: 3 This Week
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  • 25
    whatsapp-web.js

    whatsapp-web.js

    WhatsApp library for NodeJS that connects through the browser app

    A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app. Programmatically control WhatsApp whether you're running user or business accounts. It uses Puppeteer to run a real instance of Whatsapp Web to avoid getting blocked. Programmatically control WhatsApp whether you're running user or business accounts. Whatsapp-web.js connects to an official version of WhatsApp Web under the hood, reducing ban risks. The object-oriented approach makes it easy to get...
    Downloads: 4 This Week
    Last Update:
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