Yes. Enderism is free to download from Modrinth. Its license is CC-BY-NC-4.0.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

Enderism — Minecraft Mods | NxLabs

From Modrinth

Mid and Endgame Expansion and Tweaks mod

_Not just about The End_

Enderism is a mod that focuses on expanding Minecraft's mid-to-end game content, with more collectables, resources, and utilities.

Fabric Api Modrinth

Enchantments and Curses for Elytra
New Materials for Armor and Tool Upgrades
Simple Trims Integration
New purposeful and decorative blocks
A food item created with the intent of providing a balanced form of long-distance teleportation and also to facilitate multiple multiplayer scenarios
Optional QOL balances
More to come!

From source data

Supports 5 Minecraft versions, the newest being 1.20.1.

Runs on Fabric and Quilt.

Rated a light load on a server.

From our catalogue

One-click install: Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
Server side: Required on the server
Server type needed: Fabric, Quilt
Server load: light
Smallest plan we suggest: Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
Latest build: 3.1.0 (beta), released 2024-01-30

Loader	Game versions	Newest
Fabric	1.19.2 to 1.20.1 (4 versions)	1.20.1
Quilt	1.19.2 to 1.20.1 (4 versions)	1.20.1

From 5 recorded builds of Enderism.

Build	Released	Game versions	Loaders
3.1.0 beta	2024-01-30	1.20.1	Fabric, Quilt
3.0.0	2024-01-25	1.20.1	Fabric, Quilt
2.0.1	2023-03-16	1.19.3 to 1.19.4 (2 versions)	Fabric, Quilt
2.0.0	2023-03-13	1.19.3	Fabric, Quilt
1.2.0	2022-08-20	1.19.2	Fabric, Quilt

Declared by the newest build that lists any. Required ones are installed with it on one-click installs.

Pick a server or deploy a new one above; it is installed in one click.

From the catalog

Listed on Modrinth as “Mods”

Small conveniences, tweaks and interface improvements players notice straight away.

From source side support

Modrinth lists Enderism as required on the server. Check its Modrinth page to see whether players need it too.