25 Free and Open-source Web Apps for macOS (Intel and Apple Silicon)
1- Browserosaurus
The browser prompter for macOS
Browserosaurus is an open-source (GPLv3 license), browser prompter for macOS. It works by setting itself as the default browser; any clicked links in non-browser apps are now sent to Browserosaurus where you are presented with a menu of all your installed browsers. You may now decide which app you’d like to continue opening the link with.
Read about Browserosaurus 's features, license, platforms, and more.
2- JFTP
The Universal FTP Client
JFTP is an intuitive, easy to use, graphical FTP client software for transferring files securely over the Internet. JFTP works on many operating systems such as Windows, Mac OS X, Linux, Solaris, AIX and HP-UX.
JFTP is a graphical FTP (File Transfer Protocol) client software for transferring files from one computer to another over TCP/IP networks such as Internet.
JFTP can connect to any system that has a valid Internet address and an FTP server program, allowing you to transfer files between a wide variety of systems, including Windows, Mac OS X, Linux, UNIX and IBM i(AS/400) systems.
JFTP integrates the most widely used and widely accepted security mechanism, SSL (Secured Sockets Layer), to securely transfer your business critical and sensitive data.
JFTP is written entirely in Java(tm), meaning, it can run on a wide variety of platforms such as Windows, Mac OS X, Linux, Solaris, HP-UX, OS/2, UNIX or any other platform with a compatible JVM (Java Virtual Machine).
Read about JFTP 's features, license, platforms, and more.
3- Adium
Instant Messenger and XMPP client for macOS
Adium is a free and open source instant messaging application for OS X, written using OS X's Cocoa API, released under the GNU GPL and developed by the Adium team. Based on the libpurple protocol library, Adium can connect you to any number of messaging accounts on any combination of supported messaging services and then chat with other people using those services.
Read about Adium 's features, license, platforms, and more.
4- BeagleIM
XMPP client for macOS based on TigaseSwift XMPP library
Beagle IM by Tigase, Inc. is a lightweight and powerful XMPP client for macOS.
It provides an easy way to start using XMPP protocol (formelly known as Jabber) if you've never used it before.
Veterans of the protocol will find many features with which they are familiar and a few enhancements.
Supports: OMEMO end-to-end encryption
Read about BeagleIM 's features, license, platforms, and more.
5- Block Party
Ad Blocker App for iOS, macOS
Ad Blocker App for iOS, macOS
Read about Block Party 's features, license, platforms, and more.
6- Min
A smarter minima web browser for macOS.
Min is a fast, minimal browser that protects your privacy. It includes an interface designed to minimize distractions, and features such as:
Read about Min 's features, license, platforms, and more.
7- qutebrowser
A keyboard-driven, vim-like browser based on Python and Qt.
qutebrowser is a keyboard-focused browser with a minimal GUI. It’s based on Python and Qt and free software, licensed under the GPL.
It was inspired by other browsers/addons like dwb and Vimperator/Pentadact
Read about qutebrowser 's features, license, platforms, and more.
8- Doughunt
Open-source free Podcast Listening app for macOS
Doughnut is built to be a modern macOS application adopting Apple’s design language, whilst preserving it’s own unique user experience. 100% open source Swift based.
Doughnut is a podcast client built using Swift. The design and user experience are inspired by Instacast for Mac which was discontinued in 2015. After experimenting with alternate user interface layouts, I kept coming back to the three column layout as most useable and practical.
Beyond the standard expected podcast app features, my goals for the project are:
Support an iTunes style library that can be hosted on an internal or network shared drive
Ability to favourite episodes
Ability to create podcasts without a feed, for miscellaneous releases of discontinued podcasts
Previously Doughnut was built on top of Electron which worked ok, but using 200+ MB for a podcast app, even when it's minimized felt very poor. Doughnut is now written as a 100% native MacOS app in Swift.
Read about Doughunt 's features, license, platforms, and more.
9- DejaLu
open-source fast and simple Email Client for Mac.
DejaLu is an open-source fast and simple Email Client for Mac.
Dejalu is software with amazing features. DejaLu can easily control your email notifications, it has a beautiful sidebar panel with folders to easily organize and filtered folder emails. You can customize your emails and add signatures to all your emails easily, it has Amazing Labels.
DejaLu licensed under BSD-3-Clause License.
Read about DejaLu 's features, license, platforms, and more.
10- Mailspring
Boost your productivity and send better email management
Mailspring is a new version of Nylas Mail maintained by one of the original authors. It's faster, leaner, and shipping today! It replaces the JavaScript sync code in Nylas Mail with a new C++ sync engine based on Mailcore2. It uses roughly half the RAM and CPU of Nylas Mail and idles with almost zero "CPU Wakes", which translates to great battery life. It also has an entirely revamped composer and other great new features.
Mailspring's UI is open source (GPLv3) and written in TypeScript with Electron and React - it's built on a plugin architecture and was designed to be easy to extend. Check out CONTRIBUTING.md to get started!
Mailspring's sync engine is spawned by the Electron application and runs locally on your computer. It is open source (GPLv3) and written in C++ and C. For convenience, however, when you set up your development environment, Mailspring uses the latest version of the sync engine we've shipped for your platform so you don't need to pull sources or install its compile-time dependencies.
Read about Mailspring 's features, license, platforms, and more.
11- Nylas Mail
Email client for macOS with Style
It is a 100% free and open-source desktop email client. In other words, you can use it for Enriched contact profiles, Unified inbox, support unlimited email accounts, Unlimited customizable signatures, Multi-language spell check, Enhanced search capabilities, and more.
You can also easily compatible Nylas with Gmail, Yahoo, and more. It has several layout styles it was the beginning of 2016, it was licensed under MIT License. Nylas Mail was available for Mac, Windows, and Linux. it was built on the modern web with Electron, React, and Flux.
Read about Nylas Mail 's features, license, platforms, and more.
12- Feed Compass
Find and subscribe to RSS feeds.
Feed Compass is an open-source application that enables you to find and subscribe to RSS Feeds in your favorite RSS Reader and is built with Swift. It also has numerous default feeds, it supports drag-and-drop feeds to native RSS readers.
Read about Feed Compass 's features, license, platforms, and more.
13- Fluent Reader
Modern desktop RSS reader built with Electron, React, and Fluent UI
Fluent Reader is one of the most popular Modern desktop RSS readers. It is open-source, and has some special features such as it can export service configs to it through QR code, it has a keyboard shortcut to hide an app on macOS, it also supports Chinese, and Turkish language, and more.
Fluent Reader comes with different versions that give you the choice to choose the perfect solution for your case.
Read about Fluent Reader 's features, license, platforms, and more.
14- Raven
News/Rss/Feed Reader
Raven is a open source desktop news reader with flexible settings to optimize your experience. No login is required, and no personal data is collected.
If you want to add your articles in one place Raven is the best choice. Raven is an open-source desktop newsreader, built on top of Vue and JavaScript, it comes with a beautiful display with no distraction, it can sync with your cloud reader, it has unlimited categories, all your data is encrypted and secure, and more.
Raven is a cross-platform that runs on Windows, Linux, and macOS.
Read about Raven 's features, license, platforms, and more.
15- RSS Guard
Feed reader which supports RSS/ATOM/JSON and many web-based feed services.
RSS Guard is a simple RSS/ATOM feed reader for Windows, Linux, BSD, OS/2 or macOS which can work with RSS/ATOM/JSON feeds as well as many online feed services:
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Feedly
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Gmail
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Google Reader API (Bazqux, FreshRSS, Inoreader, Miniflux, Reedah, The Old Reader and more)
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Nextcloud News
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Tiny Tiny RSS
Read about RSS Guard 's features, license, platforms, and more.
16- RSSOwl
Cross-platform minimal yet feature rich feeds/ news reader
RSSOwl is a powerful open-source application to organize, search, and read feeds. It extremely has powerful search features and offers synchronization with Google reader and more.
RSS Owl is a powerful application to organize, search and read your RSS, RDF & Atom news feeds in a comfortable way. Highlights are saved searches, google reader sync, notifications, filters, fast fulltext search and a flexible, clean user interface.
RSSOwl runs cross-platform on Windows, Linux, and macOS and can also be installed into Eclipse.
Read about RSSOwl 's features, license, platforms, and more.
17- FileZilla
Open-source free FTP/SFPT/FTPS client for macOS
FileZilla is an open source FTP client, that works for Windows, macOS, & Linux (Debian, Ubuntu, LinuxMint, Fedora,...). It is our top pick in this recommendation list, as we have used it over the years while we are shifting from a platform or a distro to another.
FileZilla is fairly easy to use, as it also comes with powerful features, to meet the demands of experienced and inexperienced users, normal users or advanced users with ninja coding skills.
FileZilla supports FTP, SFTP (SSH File Transfer Protocol), Stroj (Decentralized Cloud Storage). It also supports connection over proxy and Active/ Passive transfer modes.
Read about FileZilla 's features, license, platforms, and more.
18- Franz
free open-source chat and messaging apps
Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Telegram and many many more.
Read about Franz 's features, license, platforms, and more.
19- Qusly
Elegant FTP/FTPS/SFTP client.
Qusly is a new FTP client for Windows, macOS, & Linux Desktops, It's built with React/ NodeJS and uses Electron to built multi-platform packages. Qusly supports FTP, FTPS (FTP over SSL), & SFTP (SSH File Transfer Protocol).
Qusly is using a powerful FTP NodeJS library built by the same developer Qusly-Core, An API wrapper around ssh2 and FTP library for building FTP/FTPS/SFTP clients.
Qusly has very clean, beautiful UI (User-Interface), packed with tabbed windows that support multiple projects at once. It uses nice icons and desktop-alike file-browser. It supports drag/ drop.
Qusly is still in active development, It still lakes several features to compete like advanced settings, import/ export settings, automation, queue management, and better security features. Hopefully, the developer will enrich it with more features in the incoming releases.
It is built on top of Electron and React. It aims to be beautiful and functional.
Read about Qusly 's features, license, platforms, and more.
20- MacDown
Native Markdown Editor for macOS
MacDown is an open source Markdown editor for macOS, released under the MIT License. It is heavily influenced by Chen Luo’s Mou.
Read about MacDown 's features, license, platforms, and more.
21- NetNewsWire
RSS and Feed Reader
NetNewsWire os a free open-source RSS feed reader and organizer for macOS and iOS. It comes without ads, user tracking scripts, or any script that shares your information.
With NetNewsWire, you can organize your feeds in folders, mark them as read/ unread, and sync your data to iCloud, Feedly and other services.
Read about NetNewsWire 's features, license, platforms, and more.
22- Persepolis
Internat Download Manager
Persepolis is a Download Manager & a GUI For aria2. It's written in Python. Persepolis is a Sample of Free and open source software. It's developed For GNU/Linux Distributions, BSDs, macOS and Microsoft Windows. You can join Persepolis contributers & Help us with developing it.
Read about Persepolis 's features, license, platforms, and more.
23- Deluge
Lightweight cross-platform BitTorrent client.
Deluge is a BitTorrent client that utilizes a daemon/client model. It has various user interfaces available such as the GTK-UI, Web-UI and Console-UI. It uses libtorrent at its core to handle the BitTorrent protocol.
Read about Deluge 's features, license, platforms, and more.
24- Vienna
Vienna is a free and open-source RSS/Atom newsreader for macOS.
Vienna can connect directly to the websites you want to track. Additionally or alternatively, you can also sync with a server supporting the Open Reader API (an adaptation of the now deceased Google Reader API). Vienna has been successfully tested with BazQux.com, FreshRSS.org, FeedHQ.org, InoReader.com and TheOldReader.com.
Read about Vienna 's features, license, platforms, and more.
25- whipFTP
OpenSource FTP / SFTP client
whipFTP is a FTP/SFTP client written in python using the tkinter GUI toolkit. Can upload, download, create, rename, copy, move and search files/folders.
Read about whipFTP 's features, license, platforms, and more.