Free and Open Source Software
SIEMonster
SIEMonster is a customizeable and scalable Security Information and Event Management software that is suited for small, medium and enterprise organizations. The SIEM is the brainchild of a team of professional hackers with over 20 years’ experience hacking into companies around the world. SIEMonster is released as free and open-source software and is well documented, and include options to purchase support packages and managed solutions.
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.
OrbitDB
OrbitDB is free and open-source serverless, distributed, peer-to-peer database for IPFS (Internet Planetary File System). The database is most commonly used for decentralized apps (dApps) and blockchain applications. With OrbitDB, IPFS is used for data storage, while IPFS Pubsub is used to automatically sync databases with peers across the network. Which makes OrbitDB an "eventually consistent database" that uses CRDTs for conflict-free database merges, suited for decentralization of data.
OpenSCAD
A free 3D CAD software developed for macOS, Linux and Windows. With OpenSCAD you can create solid 3D CAD objects through a script-only based modeller that uses its own description language. All objects in OpenSCAD can be viewed and inspected but not interactively selected or modified with gestures or mouse. Everything in OpenSCAD is based on scripts, a feature that some love. The software is openly developed and released under the GNU General Public License.
HeidiSQL
HeidiSQL is a free and open-source GUI for MariaDB, MySQL, Microsoft SQL, PostgreSQL and SQLite databases. With HeidiSQL, you can spectate and edit data and structure of your database in an intuitive interface. The software allows you to connect to your database via SSH tunnel or with SSL, and connect to multiple servers simultaneously, while also being able to monitor and kill client process in real-time.
Sails.js
Sails.js is a JavaScript framework that makes it easy to build custom, enterprise-grade Node.js apps. It is designed to resemble the MVC architecture from frameworks like Ruby on Rails, but with support for the more modern, data-oriented style of web app development. The framework is suited for building applications with realtime features.
Wekan
Wekan is a free and open soure, web-based, kanban tool that can be self-hosted. With Wekan you can maintain personal todo lists, keep an itinerary for you next trip with your friends or collaborate with your team on large scale projects. The Kanban experience provided by Wekan makes it super easy to get a broad overview of your project and how you and your team can move it forward.
Scrapy
Scrapy is a fast and powerful web scraping library written in Python. The framework makes it easy to crawl and extract structured data from the web services. Scrapy can be used for a wide range of purposes, ranging from data mining to service monitoring. Scrapy is maintained by Zyte and is released as free and open source software.