You can download here Hacklol Modifier for Windows and Linux, usable offline. Hacklol Modifier is an open-source and free application, the source code is available on Github.
A Docker version is also available to expose Hacklol Modifier via a server.
It's recommended to use the installable version for Windows. The portable version is slower to start.
The Linux version is only available under the portable AppImage format, compatible with most distributions.
The source code is available on Github.