Libprimis is licenced under the zlib license, a permissive license similar to the MIT license. It is derived from Tesseract and Cube 2, the original license text of which is provided inside this repository.
Libprimis' engine license covers all contents of this repository as well as the engine headers (included as a submodule inside /src).
Copyright (c) 2020-2025 Project Imprimis:
Core Developers:
- Alex Foster (@no-lex)
- Maxim Therrien (@acerspyro)
Additional contributors:
- David Chen (@TheEgghead27)
- Elijah Cole (@OlRabiesAbe)
- Luis David Licea Torres (@Luis-Licea)
- Kamil Zelech † (@azkoon)
- Sławomir Błauciak (@q009)
- "Duskhorn" (@Duskhorn)
- "NoNo" (@nonoesimposible)
Contributors to the original Tesseract engine are omitted here but listed in /src/readme_tesseract.txt. In no way does this license imply that this work is entirely original (as it began as a fork of the Tesseract game)
This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
- The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
- Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
- This notice may not be removed or altered from any source distribution.