RunUO is a free, open-source Ultima Online server emulator written in C#. Originally founded by Ryan McAdams in 2002, RunUO has been the foundation for countless Ultima Online shards and has contributed significantly to the UO emulation community.
Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Windows
- Mac
- Linux
- Self-Hosted
FreePastry is an open-source implementation of Pastry intended for deployment in the Internet. The initial release of FreePastry is intended primarily as a tool that allows interested parties to evaluate Pastry, to perform further research and development in P2P substrates, and...
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Java

Lightwhale is a purpose-built operating system designed to run Docker containers effortlessly. It live-boots from an ISO straight into a fully functional Docker Engine, eliminating the need for installation or configuration.
Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Linux

SYSCPPCP is a framework allowing the users to store class variables data to a file and manipulating it programmatically. The framework contains a program called SmallSQL facilitating the manipulation of data in the file using simple SQL statements.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Windows











