Orebfuscator is described as 'This plugin is used to counter X-RAY client mods, texture packs, chest radar, and other similar exploits It modifies data that are sent to clients to hide blocks of your choice, such as ore, chests, dungeons, etc. It does not manipulate server side' and is an game in the games category. There are 2 games similar to Orebfuscator for a variety of platforms, including Mac, Windows, Linux, Spigot and Minecraft apps. The best Orebfuscator alternative is OpenInv, which is both free and Open Source.
Open anyone's inventory as a chest in real time! Works with offline players! Open ender chest of any player via command! Has read-only permissions for Moderators on your server you don't fully trust! (This is a Minecraft Bukkit Plugin.).
Sakki's Client Essentials are plugins for Minecraft Servers and Client's. It eliminates the problems with hacked client's and gives server administrators control by restricting clients to use whitelisted plugins and mods and ends unfairness.
Canada
Orebfuscator confused client-side modifications which just show valueable blocks and not all blocks to find them easier. OpenInv is showing admins inventories of other people.