Games similar to Purpur include PaperMC, which is free and open source. Other options are Glowstone, Void Proxy, Pumpkin and LeafMC. In total there are six Minecraft Servers like Purpur for Mac, Windows, Linux and self-hosting.
Paper is a fork of the Spigot server implementation (which is itself a fork of CraftBukkit). Paper strives to bring improved performance, more features, and more APIs for developers to build awesome plugins with.
Glowstone is a lightweight, from scratch, open source Minecraft server written in Java that supports plugins written for the Spigot (and Bukkit) API.
Netherlands
EU
Void is an open-source Minecraft proxy - an alternative to Velocity or BungeeCord - designed specifically for modded servers.
Minecraft server built entirely in Rust, offering a fast, efficient, and customizable experience. It prioritizes performance and player enjoyment while adhering to the core mechanics of the game.
A Minecraft server in Rust focused on a strong foundation and performance.
China