Open Source Software for BSD
QtPass
QtPass is free and open-source, cross-platform password manager that is part of the pass ecosystem. The pass project is an open initiative that builds the standard unix password manager, a universal protocol for password management. This means that you can easily switch away from the QtPass to a new client, as long as it uses the "pass" password store.
Janet
Janet is a functional and imperative programming language that runs on Windows, Linux, macOS, and BSDs. Janet makes for a good system scripting language, or a language that can be embed in other programs. The entire language (core library, interpreter, compiler, assembler, PEG) is less than 1MB.
OpenSSH
OpenSSH is a free and open-source suite of secure networking utilities. The suite provides tools for remote login with the SSH protocol. All traffic over OpenSSH is fully encrypted eliminate eavesdropping, connection hijacking, and other malicious activities by potential attackers.
Webmin
Webmin is a web-based interface for system administration tool for Unix-like systems. You can use Webmin in any modern browser to setup and manage& user accounts, Apache web server, DNS configuration and alike. The software removes the mundane task of manually editing Unix configurations and allow you to easily setup hosting for applications, sites and web services.
GNOME Web
GNOME Web or codename: Epiphany is a free and open-source web browser based on the WebKit rendering engine. The web browser is developed openly by the GNOME Project and the community for all Unix-like systems. GNOME Web is the official web browser of the Linux desktop environment GNOME.
Kdenlive
A free and open-source video editing software built with KDE and Qt. Kdenlive was first created and released back in 2002 by Jason Wood. Since then the software has seen massive traction in the open-source community. Kdenlive allows you to use and arrange several audio and video tracks, each one can be locked or muted to your convenience. Since Kdenlive is based on the powerful FFmpeg libraries the software can handle most audio and video formats needed to convert and re-encode clips. To top it up Kdenlive also provides plenty of effects, ranging from color correction to audio adjustments, as well as all the standard transform options.
GnuCash
GnuCash is a free and open-source accounting software that implements a double-entry bookkeeping system. The software is mostly used by small businesses or people doing personal accounting. Its designed to be easy to use, yet powerful and flexible and is available for Linux, BSD, Solaris, macOS and Windows.
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.
Atom
A free and open-source IDE for macOS, Linux, and Windows developed by GitHub Inc. The application is build on the Electron framework and provides a wide eco-system of add-ons that can be used to extend the IDE further. Atom is loved by developers across the globe.
Phototonic
Phototonic is a fast and functional, open source image viewer and organizer. The software is written in C++/Qt and released for free under GNU General Public License v3. Phototonic takes inpiration from traditional image views and provides overview of your inventory with thumbnails and organized layouts.