Free Software for macOS
WhatsApp
WhatsApp is free messenger app for chat and voice over IP, owned and managed by Facebook. The application allow users to send text and voice messages, make voice and video calls and share images, media files and user locations with friends and family.
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 Flume
Apache Flume is a free and open source, distributed software for efficiently collecting, aggregating, and moving large amounts of log data. With Apache Flume you can create data pipelines for you log data with a simple and flexible architecture based on streaming data flows. Apache Flume uses a simple extensible data model that allows you to create online analytic applications that are fault tolerant and reliable with many failover and recovery mechanisms.
Redbean
Redbean is an open source web server in a zip executable that runs on six operating systems. the web server embeds Lua, SQLite, and MbedTLS into a fork() driven application server that benchmarks at 1.1 million qps on a personal computer.
Krita
Krita is a professional free and open-source painting software created and maintained by artists. The main focus of the project is to create top quality painting tools that everyone can afford and enjoy. Krita features an OpenGL-accelerated canvas, colour management support, an advanced brush engine, non-destructive layers and masks, group-based layer management, vector artwork support and switchable customisation profiles.
pgModeler
pgModeler is an open source software for modeling PostgreSQL databases. It merges the classical concepts of modeling using entity-relationship diagrams with specific features that only PostgreSQL implements. With pgModeler you can create and edit database models easily with a simple and intuitive interface. pgModeler allows you to design your database once with dynamic code generation, and export to multiple versions of PostgreSQL ranging from 9.x to 13.x.
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.
Apache Spark
Apache Spark is a free and open-source, unified analytics engine for large-scale data processing. Apache Spark achieves high performance for both batch and streaming data, using a state-of-the-art DAG scheduler, a query optimizer, and a physical execution engine. With Apache Spark, you can write application quickly in Java, Scala, Python, R, and SQL. Spark also offers over 80 high-level operators that make it easy to build parallel apps. You can run Apache Spark anywhere, as a standalone product, in the cloud or on Hadoop, Apache Mesos or Kubernetes.
Darktable
Darktable is a free and open-soource photo editing software created for photographers, by photographers. Darktable is specifically designed for non-destructive raw photo post-production editing. The Darktable development community is comprised of avid photographers that has a good understanding of real world problems, challenges, and workflows.