No, Little Snitch is made by Objective Development - https://obdev.at/

"Objective-C" is the name of a programming language used for Mac development, previously the primary programming language before Swift and still popular among Mac developers.

"Objective-See", the name of the maker of LuLu, is a pun on Objective-C.

"Objective Development", the name of the maker of Little Snitch, is likely also based on Objective-C.