Free and Open Source Software
Collapse OS
The creator or Collapse OS predicts a global supply chain collapse before the year 2030 and is building the operating system to counter such an event. Collapse OS is designed to run on minimal and improvised machines, interface through improvised means (serial, keyboard, display), edit text and binary contents, compile assembler source for a wide range of MCUs and CPUs, read and write from a wide range of storage devices and assemble itself and deploy to another machine. The goal of the project is to be as self-contained operating system that can be built without external resources like internet, on a machine of personal design, built from scavenged parts with low-tech tools.
Taskwarrior
Taskwarrior is an open-source, cross platform time and task management tool that can be used to effectivly keep track on progress and handle collaborative tasks. Taskwarrior's provides a graphical user interface as well as a command line tool allowing you to get things done and track progress from your terminal. Taskwarrior is powered by the Taskserver, an free and open-source server that can be installed on your cloud infrastructure or on-premise.
Guix
Guix is an advanced distribution of the GNU operating system. The operating system is released under the GNU General Public License is 100% free to use and distribute. Guix supports transactional upgrades and roll-backs and unprivileged package management. At the core of Guix is an hackable system that provides Guile Scheme APIs that includes high-level embedded domain-specific languages to define packages and whole-system configurations.
Matrix.org
Matrix.org is an open network for secure, decentralized communication. It gives you a simple HTTP APIs and SDKs (iOS, Android, Web) to create chatrooms, direct chats and chat bots, complete with end-to-end encryption, file transfer, synchronised conversation history, formatted messages, read receipts and more. All conversations on Matrix are replicated over all the servers participating in them, meaning there are no single point of control or failure.
Apache HAWQ
Apache HAWQ is an open-source elastic query engine, MPP and analytical database for enterprises. Apache HAWQ combines exceptional MPP-based analytics performance, robust ANSI SQL compliance, Hadoop ecosystem integration and manageability, and flexible data-store format support.
AlmaLinux
An open-source RHEL fork built by the team at CloudLinux, inspired by the community. As a standalone, completely free OS, AlmaLinux OS enjoys $1M in annual sponsorship from CloudLinux Inc. Wich will be dedicated to support future RHEL® releases of AlmaLinux OS and provide ongoing development efforts that are governed by the members of the community.
Rocket.Chat
A free, unlimited and open-source chat software. Rocket.Chat have set out to be a replacement for email, HipChat & Slack and is provided as Software-as-a-Service (SaaS) or a self-hosted community edition. Rocket.Chat is feature packed and can be used for video conferencing, file sharing, voice messages and more. The software integrates with third-party services like GitHub, GitLab, JIRA, and Confluence and provides an API that can be used for authentication and integration across these services.
Blender
Blender is a free and open-source 3D model software released under the GNU General Public License. The software can be used for 3D modeling, 3D animation, UV unwrapping, texturing, rigging, skinning, rendering, particle generation, water simulation and much more.
Turtl
Turtl is a note taking application that uses high-end cryptography to protect your data. Whether you're worried about information leaks, competitive advantage, or blanket government surveillance, Turtl works hard to make sure only you, and those you choose, can see your data.