Like most open source projects it's available at Github which also makes it easy for anyone who would like to contribute to the project.
The project is licensed under the BSD-2-clause license so you are free to download, modify and/or redistribute the full project (or parts of it) as long the original authors names written at the top of each file is left untouched, these are found at the top of each file. It's also one of the most optimized game modes with this amount of features available, as it was initially developed to work on 20 years old hardware. The strict coding guidelines ensure that the code is easy to read and understandable even for people with poor knowledge in Lua scripting. GTW-RPG is the most advanced open source RPG/CnR/Turfs/Jobs/Basic role play game mode started in early 2012, the main goal has been to write something unique, but still not too confusing for players used to other game modes, defining themselves as 'RPG'.
