Free Software for macOS
MySQL Workbench
MySQL Workbench is a free and commercial open-source tool for managing MySQL databases visually through a GUI. MySQL Workbench provides features like data modeling, sql development, and comprehensive administration tools. MySQL Workbench is developed by Oracle Corporation and is a successor to DBDesigner 4. The community edition of MySQL Workbench is released under the GNU General Public License, while the enterprise edition is released as a commercial proprietary software.
I2P
The Invisible Internet Project or I2P for short is a fully encrypted private network layer that has been developed with privacy and security by design in order to provide protection for your activity, location and your identity. I2P ships with a router that connects you to the network and applications for sharing, communicating and building a fully encrypted private network layer.
OpenVPN
OpenVPN is a free and open-source VPN client developed by OpenVPN Inc. The software can be used to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. OpenVPN uses custom security protocol that utilizes SSL/TLS for key exchange and is compatible with any OpenVPN protocol compatible server.
Pocket
Pocket is an application that can be used to save web content for viewing later. With Pocket you can save articles, videos and stories from any web page, publication or app, and curate your own organized spaced filled with your favorite content from the internet. Pocket is available in the browser and for macOS, Windows, iOS, Android, Windows Phone, BlackBerry.
Vim
Vim dates back all the way to 1991 when Vim's author, Bram Moolenaar released it to the public. Vim is a highly configurable text editor built to enable efficient text editing. The software is released as free and open-source software under the Vim License. Vim is often called a "programmer's editor," as it relies more on customization of shortcuts and makes heavy use of macros that can be combined with muscle memory to achieve maximum proficiency. Vim was designed for use in both command-line interfaces and as a standalone application in a graphical user interface.
FreeCAD
FreeCAD is a highly customizable, scriptable and extensible computer aided design software software for the, MacOS, Linux and Windows operating systems. With FreeCad you can model and design real-life objects in 3D through parametric modeling where all 3D objects you design are controlled by parameters. FreeCAD is released as free and open source software under LGPv2+ license, and can be used for commercial and hobby projects alike.
TextMate
TextMate is a powerful and customizable, general-purpose GUI text editor for macOS. TextMate supports a huge varity of programming languages and actions that can be written for any language that can work with stdin, stdout, and environment variables, and for complex interactions. TextMate is released fully open-source under the GNU General Public License.
DBngin
DBngin is a free , all-in-one database version management tool and database GUI native to macOS. With DBngin you can easily start and manage PostgreSQL, MySQL, Redis & other databases. The friendly user interface allow you to create a database in a single click and browsing, querying and modifying the database through DBngin's GUI Client.
Gitter
Gitter is an open-source instant messaging and chat room system for developers designed to make community messaging, collaboration and discovery as smooth and simple as possible. Gitter is provided as software-as-a-service and integrates with GitLab and GitHub repositories to make discussion around code even easier. With Gitter, you can can easily create, organise and grow your communities, inviting others to join just in one click. Over 1.5M users across 100K communities use Gitter to discuss code and development progress.