Please note
The plugins on this page are not my work and the list is a personal pick. If you know a better one, tell me and I can add it.

Economy API · Sleaker

World editor · sk89q
Async world editor · IntellectualSites

Placeholder API · HelpChat

Modern essentials suite · Zrips

Classic essentials suite · md678685

Multi-world support · dumptruckman

ProtocolLib · dmulloy2

Packet events library · retrooper

World border · Brettflan

Well-known classic login plugin · sgdc3

Permission group management · Luck

Classic block lookup and rollback · Intelli

Give players their own plots · IntellectualSites

Powerful container and block protection! · rutgerkok

High-performance anti-xray · ingrim4