Open Source Software for macOS
phpMyAdmin
With phpMyAdmin you can manage MySQL and MariaDB via a user interface. phpMyAdmin is free and open-source portable web application written primarily in PHP. It supports wide range of native MySQL and MariaDB database operations including maniging tables, columns, relations, indexes, users, permissions and more.
GNU Emacs
GNU Emacs is an extensible and customizable, free and open source text editor. It was created by GNU Project founder Richard Stallman and has been dubbed "the most powerful text editor available today". At the core of GNU Emacs is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. Which allows users to extend and customize GNU Emacs to their heart's content.
Bitmessage
Bitmessage is a decentralized, encrypted, peer-to-peer, trustless communications protocol. With Bitmessage you can send encrypted messages to a person, or to multiple subscribers.
ZeroTier
ZeroTier is a global area network provider that enable the creation of secure networks between on-premise, cloud, desktop, and mobile devices. Allowing you to securely connect to any device, anywhere. ZeroTier combines the capabilities of VPN and SD-WAN to simplify network management, allowing organization to connect team members securely withing a decentralized workforce.
RetroArch
With RetroArch you can run emulators, game engines, video games, media players and other applications. RetroArch is a free and open-source frontend developed specifically for emulation. RetroArch allows you to play classic games on a wide range of computers and consoles through its slick graphical interface. The project is community developed and the software is released under the GNU General Public License v3.
SQLiteStudio
SQLiteStudio is a SQLite database manager with an intuetive user interface. It provides a pretty-print code formatter, marks syntax errors. Allowing you to easily view, query and manage data in your SQLite database. SQLiteStudio is released as free and open source software under the GNU General Public License.
Bluefish Editor
The Bluefish Editor is a free and powerful editor that is used by programmers and web developers. Bluefish supports a handfull of programming and markup languages including HTML, XHTML, CSS, XML, PHP, C, C++, JavaScript, Java, Go, Vala, Ada, D, SQL, Perl, ColdFusion, JSP, Python and Ruby. The software is developed openly and is released for free under the GNU GPL license.
VeraCrypt
VeraCrypt is free and open-source disk encryption software. The software is a fork of TrueCrypt 7.1a with enehanced security to the algorithms used for system and partitions encryption making it immune to new developments in brute-force attacks. VeraCrypt is available for Windows, MacOS and Linux.
Avidemux
Avidemux is a free and open-source, non-linear video editor designed for simple cutting, filtering and encoding tasks. It supports many file types, including AVI, DVD compatible MPEG files, MP4 and ASF, using a variety of codecs. The goal of Avidemux, according to the developers is to create a simple tool for simple video processing tasks and to allow users to do elementary things in a very straightforward way.
Concurrent Versions System
CVS (Concurrent Versions System) is a version control system, an important component of Source Configuration Management (SCM). Using it, you can record the history of sources files, and documents. It fills a similar role to the free software RCS, PRCS, and Aegis packages. CVS is a production quality system in wide use by organization around the world to organize and manage the creation of software projects. The system is useb by proprietary and free software projects alike.