InvGrid is a simple inventory editor for Minecraft. It is designed to be cross platform compatible, unlike some other editors that require mono on Linux and OS X. Only Alpha and Beta based maps are currently supported.

Benefits

• Easy to use spreadsheet like interface
• Modify misc. values like time of day
• Scripting support (Lua)
• Supports OS X and Linux
• Open Source
• Free

Downloads

Download for OS X (10.5 and 10.6, Intel only)
Download for Ubuntu 32-bit (Ubuntu 10.10 and later)
Download for Ubuntu 64-bit (Ubuntu 10.10 and later)
Source code (Hosted on Github.com)

Disclaimer: InvGrid is NOT an official project of Starbyte Software, Inc. and is provided as is without any support.