This is a minecraft fabric mod that allows you to open different guis inside of a nether portal (fe. chat or the inventory), which is impossible to do in vanilla minecraft.

You can download this mod on modrinth. https://modrinth.com/mod/allow-portal-guis

0. Make sure you have git and jdk 21 installed. If not, check these links out: https://git-scm.com/downloads, https://www.oracle.com/pl/java/technologies/downloads. You can also try to install these programs with your distro's package manager.
1. Clone the repo: git clone https://github.com/Blayung/allow-portal-guis.git; cd allow-portal-guis
2. Compile the mod: ./gradlew build
3. Now the mod jar file should be here: ./build/libs/allow-portal-guis-1.1.1.jar