CC BY-NC-SA 4.0 when not explicitly specified otherwise.
Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
NonCommercial — You may not use the material for commercial purposes. If you do require some parts and can’t find an alternative, feel free to contact me directly, and you may provided granted an exception.
ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original. It’s enough to provide a link to the license and the original source.
No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
This website relies on open-source libraries and resources. I’m intending to release the source code of the website later but there are some problems with private content that still need to be resolved.