Open Source Mac Communications Software - Page 5
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Communications Software for Mac
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Premier Construction SoftwareRated #1 Construction Accounting Software by Forbes Advisor in 2022 & 2023. Our modern SAAS solution is designed to meet the needs of General Contractors, Developers/Owners, Homebuilders & Specialty Contractors.
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Failed Payment Recovery for Subscription BusinessesFlexPay’s innovative platform uses multiple technologies to achieve the highest number of retained customers, resulting in reduced involuntary churn, longer life span after recovery, and higher revenue. Leading brands like LegalZoom, Hooked on Phonics, and ClinicSense trust FlexPay to recover failed payments, reduce churn, and increase customer lifetime value.
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Xtreme Download Manager
Powerfull download accelerator and video downloader
Xtreme Download Manager is a powerful tool to increase download speed up to 500%, save streaming videos from websites, resume broken/dead downloads, and schedule and convert downloads. XDM seamlessly integrates with Google Chrome, Mozilla Firefox Quantum, Opera, Vivaldi and other Chromium and Firefox-based browsers, to take over downloads and saving streaming videos from web. XDM has a built-in video converter which lets you convert your downloaded videos to different formats so that you can watch them on your mobile or TV (100+ devices are supported) XDM can download streaming content from most websites. The best way of downloading webpage embedded videos from the Internet is here. After installing XDM, the "Download Video" button pops up whenever you are watching a video anywhere in the Internet. Just click on the button to start downloading clips. XDM supports all popular browsers including Google Chrome, Firefox Quantum, Vivaldi, Opera and many other browsers on Windows. -
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KB1OIQ - Andy's Ham Radio Linux
Install ham radio software on Debian Live, RPi OS, or Ubuntu Linux
Latest Version: - Version 26e: November 2025 Version 26 ======== Version 26 can be installed on top of Debian Live, Raspberry Pi OS, or any supported flavor of Ubuntu Linux. The supported Linux flavors are listed in the GETTING_STARTED document. An installation script does all of the work. Please download and READ the installation instructions: https://sourceforge.net/projects/kb1oiq-andysham/files/v26e/GETTING_STARTED Watch a video of Andy (KB1OIQ) as he talks about AHRL during a ham radio convention in MA in the summer of 2025: https://www.youtube.com/watch?v=hwuKZK1dKcU&t=2086s Several videos of Andy's complete AHRL presentation can be found on YouTube. Here is one made in March 2026: https://youtu.be/xv9YnREmeAA?si=yMTX8yJsQFyeJG0i -
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Freenet Core
Declare your digital independence
Freenet Core is the backbone of the Freenet Project, a peer-to-peer platform for censorship-resistant, anonymous publishing and communication. It is designed to provide strong privacy by routing requests through multiple nodes using a "darknet" architecture where users connect only to trusted peers. Data is stored in a distributed manner and automatically replicated based on demand. Freenet is optimized for users who want to securely share files, host anonymous websites (known as "freesites"), and communicate without fear of surveillance or takedown. Freenet Core, written in Rust, is the next-generation implementation focused on performance and security. -
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Nextcloud Talk
Video- & audio-conferencing app for Nextcloud
Nextcloud Talk is the official chat, video and audio conferencing app for Nextcloud that allows users to chat, call and screenshare with multiple other users. Nextcloud offers better protection for your communication as it provides end-to-end encryption and keeps even metadata from leaking. You can have private, group, public or password protected calls by simply inviting one person, a whole group, or sending a public link as an invitation to a call. It is also conveniently integrated with other Nextcloud apps like Files and Contacts, so you can share and edit documents, link with calendars, tasks and other resources while in a chat room. -
Outbound sales softwareAdversus is an outbound dialing solution that helps you streamline your call strategies, automate manual processes, and provide valuable insights to improve your outbound workflows and efficiency.
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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 decentralized communications infrastructure. -
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BitPim allows synchronization of Phone Book, Calendar, WallPapers and RingTones and manipulating the embedded filesystem in CDMA cell phones.
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Formerly entitled LimeWire Pirate Edition(LPE), WireShare is the newest fork of the original LimeWire open source project. Our sole intention is to create and maintain a bona fide continuation of the project. All work is undertaken on a pro bono basis. The name was changed for legal reasons.
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phpList
Powerful Open Source Email Marketing app with analytics & segmentation
phpList delivers Open Source email marketing, including analytics, list segmentation, content personalisaton and bounce processing. Extensive technical features and a secure and stable codebase are the result of over 17 years of continuous development. Used in 95 countries, available in 20+ languages, and used to send 25 billion email campaigns last year. Deploy it with your own SMTP server, or get a free hosted account at http://phplist.com. -
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Jamulus - Internet Jam Session Software
Play music online. With friends. For free.
Jamulus is for playing, rehearsing, or just jamming with your friends, your band or just anyone you find online. Use your Windows, macOS or Linux machine to connect to Jamulus servers worldwide, for free over a normal broadband connection. Or host your own private server. Jamulus is designed for high quality, low-latency sound, making it easy to play together remotely and in time. -
Iris Powered By Generali - Iris puts your customer in control of their identity.Iris Identity Protection API sends identity monitoring and alerts data into your existing digital environment – an ideal solution for businesses that are looking to offer their customers identity protection services without having to build a new product or app from scratch.
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Flying Carpet
File transfer between Android, iOS, Linux, macOS, and Windows
Send and receive files between Android, iOS, Linux, macOS, and Windows over ad hoc WiFi. No shared network or cell connection required, just two devices with WiFi chips in close range. Don't have a flash drive? Don't have access to a wireless network? Need to move a file larger than 2GB between different filesystems but don't want to set up a network share? Try it out! -
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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. -
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WebTorrent Desktop
The streaming torrent app. For Mac, Windows, and Linux.
WebTorrent Desktop is for streaming torrents on Mac, Windows or Linux. It connects to both BitTorrent and WebTorrent peers. Now there's no need to wait for files to finish downloading. You can watch or play right away with WebTorrent Desktop. -
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Gtk-Gnutella
A GTK+ Gnutella client, optimized for speed and scalability
A GTK+ Gnutella client, efficient, reliable and fast, written in C. It has been optimized for speed and scalability, with low-memory consumption. It is meant to be left running 24x7, using little CPU and only the configured bandwidth. It is possible to run gtk-gnutella without a GUI or using a shell interface. -
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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 Settings. Convert your messenger to a dark theme. Ability to toggle last seen/typing indicators. Interface adapts to smaller sizes. In-house notifications to keep you up to date. Caprine is a third-party app and is not affiliated with Facebook. You can toggle dark mode in the View menu or with Command d / Control d. -
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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. Some make use of the extensive permission system for complex scenarios (for example separating two groups but leaders being able to talk to both). Some love to provide their users with additional functionality with scripts making use of server APIs, or host music bots and the like that connect to the server. Those that have an existing user database often make use of authenticators to allow authenticating with existing account login data. -
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OpenMQTTGateway
MQTT gateway for ESP8266, ESP32, Sonoff RF Bridge or Arduino
OpenMQTTGateway project goal is to concentrate in one firmware different technologies and protocols, decreasing, by the way, the number of physical bridges needed, and hiding the different technologies singularity behind a simple & widespread communication protocol; MQTT. MQTT gateway for ESP8266, ESP32, Sonoff RF Bridge or Arduino with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility, SMS & LORA. OpenMQTTGateway supports very mature technologies like basic 433mhz/315mhz protocols & infrared (IR) so you can make your old dumb devices "smart" and avoid throwing them away. These devices also have the advantage of having a lower cost compared to Zwave or more sophisticated protocols. OMG also supports up-to-date technologies like Bluetooth Low Energy (BLE) or LORA. -
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EasyModbusTCP/UDP/RTU .NET
Modbus TCP, UDP and Modbus RTU client/server library
Modbus TCP, Modbus UDP and Modbus RTU client/server library for .NET Supports Function Codes: - Read Coils (FC1) - Read Discrete Inputs (FC2) - Read Holding Registers (FC3) - Read Input Registers (FC4) - Write Single Coil (FC5) - Write Single Register (FC6) - Write Multiple Coils (FC15) - Write Multiple Registers (FC16) V5.6: Upload lates version - This will probably the last version for .NET Framework 4.0 - The next Version will be based on new .NET5 and redesigned V5.5: Bugfixes and MQTT Bridge removed V5.0: Major Bugfixes and Event Handlers changed V4.4 HF1: Bugfix excessive CPU-Load Modbus TCP Server V4.4: Bugfix Modbus RTU and MQTT V4.3: Bugfixes Modbus RTU Webview for Modbus Server Simulator and MQTT functionality for Server -
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Tox
A New Kind of Instant Messaging
Tox is a peer to peer (serverless) instant messenger that focuses on security and privacy. In today's world where digital surveillance is rampant, Tox offers users a communication software alternative that's free from prying eyes and ears, and is, quite literally free and without advertising. 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. -
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listmonk
High performance, self-hosted, newsletter and mailing list manager
Performance and features packed into a single binary. Manage millions of subscribers across many single and double opt-in lists with custom JSON attributes for each subscriber. Query and segment subscribers with SQL expressions. Use the super fast bulk importer (10k records per second) or use HTTP/JSON APIs or interact with the simple table schema to integrate external CRMs and subscriber databases. Visualize and compare campaign performance. Connect external visualization programs to the database easily with the simple table structure. Create powerful, dynamic e-mail templates with the Go templating language. Use template expressions, logic, and 100+ functions in subject lines and content. Write HTML e-mails in a WYSIWYG editor, Markdown, raw syntax-highlighted HTML, or just plain text. Highly configurable, multi-threaded, high-throughput multi-SMTP e-mail queues for super fast campaign delivery. -
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mediasoup
Cutting Edge WebRTC Video Conferencing
mediasoup is a Node.js library that provides a cutting-edge WebRTC server capable of handling real-time communications with efficient media routing and processing. -
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MsgViewer is email-viewer utility for .msg e-mail messages, implemented in pure Java. MsgViewer works on Windows/Linux/Mac Platforms. Also provides a java api to read mail messges (msg files) programmatically.
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BiglyBT
Feature-filled Bittorrent client based on the Azureus open source
BiglyBT is a fully-featured, open-source BitTorrent client based on the former Vuze/Azureus codebase. It offers extensive functionality without ads, spyware, or paid features, making it a favorite for advanced users. BiglyBT includes detailed torrent management tools, built-in swarm merging, VPN detection, I2P support, and streaming capabilities. It’s highly customizable and supports a wide range of plugins, automation tools, and scheduling options. The client runs on Java and is available across major desktop platforms. -
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Caesium Image Compressor
Store, send and share digital pictures, supporting JPG, PNG, WebP
Caesium is an image compression software that helps you store, send, and share digital pictures, supporting JPG, PNG, WebP, and TIFF formats. You can quickly reduce the file size (and resolution, if you want) by preserving the overall quality of the image. -
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Centrifugo
Scalable real-time messaging server in a language-agnostic way
Centrifugo is language-agnostic. It's a standalone server with a simple API that integrates well with an application written in any programming language. No need to change an existing application architecture to introduce real-time features. Just add Centrifugo nearby and let it deal with persistent connections. Centrifugo is built in Go language with some smart optimizations inside. It has good performance – see a description of a test stand with one million WebSocket connections and 30 million delivered messages per minute with hardware comparable to one modern server machine. Many built-in features can help to build an attractive real-time application in a limited time. Centrifugo provides different types of subscriptions, hot channel history, instant presence, RPC calls. There is also the possibility to proxy WebSocket events to the application backend over HTTP or GRPC and more. -
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AWL
Securely connect your devices into a private network
Anywherelan (AWL) is a peer-to-peer mesh VPN solution designed to securely connect devices across diverse networks without relying on centralized servers. By leveraging WireGuard tunneling and built-in NAT traversal, AWL facilitates seamless device connectivity at the IP level, enabling users to access services like SSH, RDP, or self-hosted applications without complex configurations. Its decentralized architecture ensures that traffic flows directly between devices, enhancing privacy and reducing latency. AWL is particularly beneficial for scenarios such as remote work, gaming, or accessing geographically restricted content.
