Open Source Software for macOS
Apache Flink
Apache Flink is a free and open-source stream framework used for processing big data. The software is developed openly by the Apache Software Foundation and the community. The core of Apache Flink is written in Java and Scala as a distributed streaming data-flow engine. Data-flows executed by Flink programs are pipelined and run parallel to maximize efficiency.
Apache NetBeans
Apache NetBeans is free and open-source IDE that combines development environment, a tooling platform and application framework into one package. With Apache NetBeans developer can build applications with Java, JavaScript, PHP, HTML5, CSS, and other languages. Apache NetBeans also features code highlighting, both syntactically and semantically, while also letting developers refactor code with a wide range of powerful and handy tools. The software is openly developed by the Apache Foundation and is available for macOS, Linux, Windows and BSD.
GIMP
GIMP is a free and open-source raster graphics editor developed by the Free Software Foundation (GNU). The software is a perfect fit for anyone looking for a free and open alternative to Adobe Photoshop. GIMP can be used for photo retouching, image editing and composition. The software is commonly know within the Linux community but is available under the GPLv3+ licenses for macOS and Windows as well.
Transmission
Transmission is a file sharing application that utilize torrent techonlogy. The software provides UPnP and NAT-PMP port forwarding and features you come to expect from torrent applications like web seed support, watch directories, tracker editing, global and per-torrent speed limits, and much more.
Clementine
Clementine is free and open-source music player and library organizer based on Amarok 1.4. The application work cross-platform and is avalible for BSD, macOS, Linux, and Windows.
Cyberduck
Cyberduck is a free and open-source client for FTP and SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox. Cyberduck is written in Java and C# using the Cocoa framework and is available for macOS and Windows.
MultiBootUSB
MultiBootUSB is a cross platform software that allows you to install multiple live linux on a USB disk non destructively and option to uninstall distros. MultiBootUSB is written in Python and is released as free and open-source software under the GPL-2.0 License.
RSSOwl
RSSOwl is a powerful RSS application that can help you organize, search and read all your news feeds in a comfortable way. RSS Owl is released as open-source software and can be downloaded and used for free, without limitations. With RSS Owl it's easy to stay on-top of the latest news and information that you like. All feeds can be categorized with labels and articles can be saved individually, and when new content in your feed is released RSS Owl automatically notify you through its notification system. RSS Owl is developed as a cross-platform software and runs on all major platforms including macOS, Linux, and Windows.
Caddy
Caddy is a powerful, enterprise-ready, open-source web server written in Go. The Caddy provides automatic SSL/TLS cretificates so that your application always is served over HTTPS.
Grafana
As the world's most popular free and open source technology for visualizing metrics, Graphana makes it easy to create a interactive dashboard for data monitoring. Grafana's designed from the ground-up for analyzing and visualizing metrics such as system CPU, memory, disk and I/O utilization. All metrics provided by connected data sources and applications can be visualized and monitored though charts, graphs, and alerts. You can also extend the core functionality of Graphana through a built-in plug-in system. Popular companies and applications like Uber, Robinhood, Nubank and others trust Graphana and its real-time visualization and monitoring capabilities.