Showing 614 open source projects for "mail client qt"

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  • 1
    Mail-in-a-Box

    Mail-in-a-Box

    Take back control of your email with this mail server in a box

    Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server, a mail server in a box. Mail-in-a-Box lets you become your own mail service provider in a few easy steps. It’s sort of like making your own gmail, but one you control from top to bottom. Technically, Mail-in-a-Box turns a fresh cloud computer into a working mail server. But you don’t need to be a technology expert to set it up. Our goals are to make deploying...
    Downloads: 5 This Week
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  • 2
    Proton Mail Bridge

    Proton Mail Bridge

    Proton Mail Bridge application

    Proton Mail Bridge is a desktop application that runs in the background on Windows, macOS, and Linux to enable users to access their Proton Mail encrypted email accounts with traditional email clients like Outlook, Thunderbird, Apple Mail, and others via local IMAP/SMTP servers. Because standard IMAP cannot natively decrypt end-to-end encrypted messages, Bridge acts as a translator that downloads encrypted mail, decrypts it locally, and serves it to your preferred mail client over a local server, while encrypting outgoing messages before they’re sent to Proton’s servers. ...
    Downloads: 23 This Week
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  • 3
    Libki Client

    Libki Client

    Libki Client to manage time and book PC reservations

    Libki is a free, open-source, cross-platform system for managing time and booking PC reservations. It's designed for environments that require a controlled computing environment, such as school computer labs, libraries, and public access systems. Libki consists of two parts: the Libki server and the Libki client. The Libki client is a cross-platform client that can run on many operating systems, including Linux and Microsoft Windows. The Libki server is a web-based administration system that...
    Downloads: 1 This Week
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  • 4
    Nextcloud Desktop Client

    Nextcloud Desktop Client

    Desktop sync client for Nextcloud

    Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. Use the desktop clients to keep your files synchronized between your Nextcloud server and your desktop. Select one or more directories on your local machine and always have access to your latest files wherever you are. Looking for integration apps like browser add-ins for Passwords, a feedreader, and more? Check our app store for integrations! You can already find Nextcloud Desktop client...
    Downloads: 23 This Week
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  • 5
    Mailspring

    Mailspring

    A faster, leaner email client and fork of Nylas Mail

    Mailspring is a fast and lean mail client that’s a new version of Nylas Mail. It’s maintained by one of Nylas Mail’s original authors, with plenty of great features and enhancements such as a new C++ sync engine that allows it to use 50% less RAM. Heavy dependencies have also been removed and the package manager rewritten for even greater speed. Written in TypeScript with Electron and React, it is cross-platform (macOS, Windows and Linux) and designed to be easy to extend.
    Downloads: 23 This Week
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  • 6
    Cypht

    Cypht

    Lightweight Open Source webmail written in PHP and JavaScript

    All your E-mail, from all your accounts, in one place. Cypht is not your father's webmail. Unless you are one of my daughters, in which case it is your father's webmail. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into one. And it's also a news reader. The driving force behind Cypht development is to provide combined views for multiple accounts, but it's also a standard E-mail client that lets you browse and manage IMAP folders and send outbound messages with SMTP. ...
    Downloads: 3 This Week
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  • 7
    Mumble

    Mumble

    Mumble is an open-source, low-latency, high quality voice chat

    Mumble is an open-source, low-latency, high-quality voice chat software. There are two modules in Mumble; the client (mumble) and the server (murmur). The client works on Windows, Linux, FreeBSD, OpenBSD, and macOS, while the server should work on anything Qt can be installed on. Low-latency and high-quality voice-chat program written on top of Qt and Opus. Administrators appreciate Mumble for being able to self-host and have control over data security and privacy. ...
    Downloads: 35 This Week
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  • 8
    WhatSie

    WhatSie

    Feature rich WhatsApp Client for Desktop Linux

    Feature-rich WhatsApp web client based on Qt WebEngine for Linux Desktop.
    Downloads: 19 This Week
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  • 9
    MailCatcher

    MailCatcher

    Catches mail and serves it through a dream

    Catches mail and serves it through a dream. MailCatcher runs a super simple SMTP server that catches any message sent to it to display in a web interface. Run mailcatcher, set your favorite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check it out to see the mail that's arrived so far. Shows HTML, Plain Text and Source version of messages, as applicable. Rewrites HTML enabling display of embedded, inline images/etc and opens links in a new window....
    Downloads: 0 This Week
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  • 10
    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: 409 This Week
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  • 11
    nheko

    nheko

    Desktop client for Matrix using Qt and C++20

    Desktop client for Matrix using Qt and C++20. The motivation behind the project is to provide a native desktop app for Matrix that feels more like a mainstream chat app (Element, Telegram etc) and less like an IRC client.
    Downloads: 1 This Week
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  • 12
    OpenSSL Project

    OpenSSL Project

    TLS/SSL and crypto library

    OpenSSL is a robust, commercial-grade, full-featured Open Source Toolkit for the TLS (formerly SSL), DTLS and QUIC (currently client-side only) protocols. The protocol implementations are based on a full-strength general-purpose cryptographic library, which can also be used stand-alone. Also included is a cryptographic module validated to conform with FIPS standards. OpenSSL is descended from the SSLeay library developed by Eric A. Young and Tim J. Hudson.
    Downloads: 36 This Week
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  • 13
    An extremely configurable portable GUI email and news client for Windows/Unix (including OS X) with IMAP, POP3, SMTP, and NNTP support, SSL, flexible address database, Python scripting, powerful filtering, and many other features for advanced users.
    Downloads: 2 This Week
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  • 14
    Nicotine+

    Nicotine+

    Graphical client for the Soulseek peer-to-peer network

    Nicotine+ is a free and open-source graphical client for the Soulseek peer-to-peer file-sharing network, popular for its focus on sharing music and niche content. Built in Python with a Qt-based GUI, Nicotine+ offers a lightweight yet feature-rich experience for users looking to share and discover files in a decentralized, user-governed environment. It includes search capabilities, bandwidth throttling, chat rooms, and user-to-user messaging, supporting a vibrant community of digital collectors and music lovers.
    Downloads: 35 This Week
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  • 15
    Android File Transfer For Linux

    Android File Transfer For Linux

    Android File Transfer for Linux (and macOS!)

    Android File Transfer for Linux — a reliable MTP client with a minimalistic UI similar to Android File Transfer.
    Downloads: 7 This Week
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  • 16
    Spring Boot Admin

    Spring Boot Admin

    Admin UI for administration of spring boot applications

    This community project provides an admin interface for Spring Boot applications. The applications register with our Spring Boot Admin Client (via HTTP) or are discovered using Spring Cloud (e.g. Eureka, Consul). The UI is just a Vue.js application on top of the Spring Boot Actuator endpoints. Support for Python applications is available using Pyctuator. First, you need to setup your server. To do this just setup a simple boot project (using start.spring.io). As Spring Boot Admin Server is...
    Downloads: 4 This Week
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  • 17
    Liferea

    Liferea

    Liferea (Linux Feed Reader), a news reader for GTK/GNOME

    Liferea is a feed reader/news aggregator that brings together all of the content from your favorite subscriptions into a simple interface that makes it easy to organize and browse feeds. Its GUI is similar to a desktop mail/news client, with an embedded web browser.
    Downloads: 1 This Week
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  • 18
    Midi router

    Midi router

    Midi router

    Midi router - anywhere to anywhere. Midi Router Client is an advanced, cross-platform tool designed to route and manipulate MIDI signals in real time. It allows users to create virtual MIDI ports, map MIDI events (e.g., CC to pitch wheel), monitor inputs, and build custom controls like program change dropdowns—all with minimal latency Documentation: https://shemeshg.github.io/MidiRouterClient-mdbook Github and support: https://github.com/shemeshg/MidiRouterClient step by step...
    Downloads: 138 This Week
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  • 19
    qBittorrent

    qBittorrent

    A free and reliable P2P BitTorrent client

    An advanced and multi-platform BitTorrent client with a nice Qt user interface as well as a Web UI for remote control and an integrated search engine. qBittorrent aims to meet the needs of most users while using as little CPU and memory as possible.
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    Downloads: 460,594 This Week
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  • 20
    Fetchmail - the mail-retrieval daemon

    Fetchmail - the mail-retrieval daemon

    Client daemon to move mail from POP and IMAP to your local computer

    Fetchmail is a mail retrieval daemon that can download messages from POP3, IMAP, ODMR and ETRN-based stores, with SSL/TLS security including certificate verification, and pass downloaded mail to a local SMTP or LMTP server, or a message delivery agent such as maildrop.
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    Downloads: 133 This Week
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  • 21
    Dj-Rest-Auth

    Dj-Rest-Auth

    Authentication for Django Rest Framework

    Since the introduction of django-rest-framework, Django apps have been able to serve up app-level REST API endpoints. As a result, we saw a lot of instances where developers implemented their own REST registration API endpoints here and there, snippets, and so on. We aim to solve this demand by providing dj-rest-auth, a set of REST API endpoints to handle User Registration and Authentication tasks. By having these API endpoints, your client apps such as AngularJS, iOS, Android, and others...
    Downloads: 0 This Week
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  • 22
    Guitar

    Guitar

    Git GUI Client

    Many Git client apps have some problems. It's too late to start up, falls well, is user registration tedious when downloading, is paid for commercial use, is not multi-platform, or is an animation or visual effect. It was said that the production was overkill and the wizard and the source code were not published. I tried to eliminate such inconvenience as much as possible. At first I started developing it for my own study, because I was interested in learning how to use Git and how it worked...
    Downloads: 1 This Week
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  • 23
    Proton Web Clients

    Proton Web Clients

    Monorepo hosting the proton web clients

    Proton Web Clients is a monorepo hosting the web applications for Proton’s suite of privacy-focused services, including the core Proton Mail webmail interface and related web apps like Proton Calendar, Proton Drive, Proton Account, Proton VPN, Proton Pass, and other connected tools. It consolidates all web client code, shared modules, dependencies, and development tooling into a single repository, enabling unified maintenance, consistency of design patterns, and efficient evolution of Proton’s online interfaces. ...
    Downloads: 1 This Week
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  • 24
    Twisted

    Twisted

    Event-driven networking engine written in Python

    Twisted is an event-based framework for internet applications, supporting Python 3.6+. It includes modules for many different purposes. Twisted supports all major system event loops, select (all platforms), poll (most POSIX platforms), epoll (Linux), kqueue (FreeBSD, macOS), IOCP (Windows), and various GUI event loops (GTK+2/3, Qt, wxWidgets). Third-party reactors can plug into Twisted, and provide support for additional event loops.
    Downloads: 0 This Week
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  • 25
    Qt Bitcoin Trader

    Qt Bitcoin Trader

    Secure Trading Client for most popular Bitcoin exchanges

    his software helps you open and cancel orders very fast. Real time data monitoring. Automated trading using JavaScript powered scripts. And now it supports JL Script, advanced strategy script language. More info https://forum.centrabit.com/viewforum.php?f=3 Next ToDo: 1 ) Advanced Charts 2 ) Add support to monitor many exchanges and currencies at the same time 3 ) Develop server to collect all ticker and depth data to provide single WebSocket connection for realtime data updates 4...
    Downloads: 3 This Week
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