EditableSigns | OneClass | Edit Signs Without Having to Break It and Place It Again 1.1.1

Vanilla should have this functionality added to be honest

LightUp | Light Up All Your Surroundings Naturally With Any Block!: Conveniently light up your surroundings!
InteractiveChat DiscordSRV Addon | Show Items and Invs on Discord | Preview Discord Images In-game!: Integrate InteractiveChat features and more into DiscordSRV!
InteractiveChat | Show Items / Inventory in Chat | Custom Chat Keywords | Bungee & Velocity Support: A plugin to work on top of your chat formatting plugins through modifying packets!
Limbo | Standalone Server | Lightweight Solution for AFK or Waiting Rooms in your Server Network: 1.18.1 Standalone Limbo Server
Bookshelf | Store Books Inside! | Enchantment Table Boosting | Supports Protection Plugins: Store Books in bookshelves with effect and sounds, with support for multiple other plugins!

Support for Minecraft 1.18