This is a rewrite of MigthyPorks Backpack Mod. Unfortunately he no longer supports this mod. But he put all his code to the net so others can resurrect it.
This is nearly a 100% rewrite of the old mod because the old code was extremely dirty and this is a version for Forge.
If you whant to report a dupe bug please PM me. Don't post it in the forum thread or the issue tracker.
You can help translating the mod here:
How to craft the backpacks:
How to use them:
Simple hold a backpack in your hand an right click to open it.
You can put any backpack in your personal backpack slot. Per default press sneak and B to open the GUI.
A backpack equipped in your personal slot can be opened by pressing the 'B' key. You can change the key in your controls.
If you want to rename a backpack sneak and right click. You can enter a new name then.