Open Source Software for macOS
USBImager
A really simple open-source, GUI application that writes compressed disk images to USB drives and creates backups. USBImager is avalible for Linux, macOS, and Windows.
TensorFlow
TensorFlow is an end-to-end open source platform for machine learning. It has a comprehensive, flexible ecosystem of tools, libraries and community resources that lets researchers push the state-of-the-art in ML and developers easily build and deploy ML powered applications.
LibrePCB
LibrePCB is a free and open-source EDA (Electronic Design Automation) software used to develop printed circuit boards. The software is available cross-platform and can be used natively on macOS, Linux and Windows. LibrePCB ships with a advanced control panel, a simple yet powerful schematic editor and board editor, and a library manager that makes it super easy to extend the functionallity of the core.
TV-Browser
TV-Browser is an TV listings application that gets the daily TV program from the internet and shows it nativley in a neat user interface. The software runs on every system and platform with the Java runtime environment installed. With TV-Browser you can manage your TV listings your way, thanks to TV-Browser built in theming and plugin support.
Apache Gora
The open source framework Apache Gora provides an in-memory data model and persistence for big data. Apache Gora supports persisting to column stores, key value stores, document stores and RDBMSs, and analyzing the data with extensive Apache Hadoop MapReduce support. As data modeling in NoSQL data stores differ profoundly from their relational cousins, Apache Gora was created to fill the gap by giving the user an easy-to-use in-memory data model and persistence for big data framework with data store specific mappings and built in Apache Hadoop support.
Wasmer
Apache JMeter
Apache JMeter is an open source software Java-based load testing tool for analyzing and measuring the performance of a variety of services and applications. Apache JMeter uses Swing graphical API which means that it is not implemented by platform-specific coding. Developer use Apache JMeter to test performance both on static and dynamic resources, and simulate a heavy load on a server, group of servers, network or objects to test its strength or to analyze overall performance of applications.
QuiteRSS
QuiteRSS is a open-source cross-platform RSS and Atom news feeds reader application. With QuiteRSS you can store and read the latest news through an embeded browser using webkit core. Allowing you to filter your news by new, unread, starred, deleted. With the help of QuiteRSS' feed import wizard you can easiliy search feed URLs and import the latest news from your favorite source quickly, without the hassle of manual work.