Open Source Software for Linux
Waterfox
A free and open-source web browser developed specifically for x64, ARM64, and PPC64LE systems. Waterfox is fully customizable and allows users to modify and extend the browser any way the please with WebExtensions and classic-style bootstrap add-ons. The browser also respects your privacy, with no built-in telemetry or data collections (beside version number, for automatic updates). Waterfox is available for all major computer operating systems like macOS, Linux and Windows, and a mobile version for Android.
DrJava
DrJava is a lightweight programming environment specifically designed for writing Java. Through its design the IDE foster test-driven software development that leads to scalable and maintainable Java applicaitons. DrJava includes an intelligent program editor, an interactions pane for evaluating program text, a source level debugger, a unit testing tool, and a new code coverage tool.
Visual Studio Code
A free and open source IDE based on Electron and Atom, developed by Microsoft. Visual Studio Code or VS Code is an extensible IDE or coding editor that is loved by many developers around the globe. The editor combines a streamlined UI with advanced code assistance, code nagivation and intellisense.
neo4j
Neo4j is a commercially provided graph database management system developed by Neo4j, Inc. The graph database is fundamentally different to the relational model found in relational database management systems (RDBMS). With Neo4j, each data record, or node, stores direct pointers to all the nodes it's connected to. The database is also designed to perform complex queries with complex connections orders of magnitude faster. Neo4j is ACID-compliant and suited for projects that requires complicated relationship structures.
Ricochet
Ricochet is a communications application that uses the Tor network to reach your contacts without relying on messaging servers. It creates a hidden service, which is used to rendezvous with your contacts without revealing your location or IP address. Instead of a username, you get a unique address that looks like ricochet:rs7ce36jsj24ogfw.
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.
postmarketOS
PostmarketOS is a touch-optimized, mobile operating system built on-top of Alpine Linux. It provides it's own packages and comes with a small footprint and can easily be installed on most smartphones. However, PostmarketOS is in early development and leads the way for mobile Linux operating systems and will most likely not operate like the more popular mobile OS on the market today.
Antergos
Antergos is a free and open source rolling release distribution of the Cinnamon Desktop (and more) for Arch Linux. The distribution was first release under the name Cinnarch where it only combined the Cinnamon Desktop with Arch Linux, today Antergos has evolved and provides a variety of desktops including Cinnemon, GNOME and Razor-qt.
Linux Mint
A free community-driven desktop Linux distribution based on Ubuntu and Debian. Linux Mint is widley popular and is used by millions of people across the globe and comes bundled with a variety of free and open-source software to enhance your desktop experience. The project was created by Clément Lefèbvre and is being actively developed by the Linux Mint Team and community since 2006.
Insomnia
With Insomnia you can design, debug and deploy APIs. Insomnia is free API design platform and REST Client developed for macOS, Linux and Window. The application makes it easy to create and group requests, specify environment variables, authentication and generate code snippets. You can also get all the details on responses. View the whole request timeline, status codes, body, headers, cookies and much more. The software also makes it easy to orginize your projects with workspaces, folders, environments, drag-and-drop requests, and easily import and export your data. Insomnia integrates with API gateways such as the Kong API Gateway, and Kong for Kubernetes. While Insomnia comes with a free-forever license, the software provides premium monthly subscriptions for E2EE data sync and advanced collaboration features.