You can get official help from ZBProject Dev here!
The strikethrough means that it was deprecated and may be buggy. XD
Hyper links mean open sourced and that refer to Github repos.
ZBLite - A.I.O Checker, completely free.
ZBChecker Full - Paid version of ZBLite, with additional paid functions.
ZBChecker Pro - Secondary paid version of ZBChecker, with functions authorized by external developers.
CheckerBot&MCBot - Free Hypixel stats bot for QQ groups.