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Neptune CoreMinecraft plugin for 1.21.11

All-in-one core plugin. This is all you need for your Velocity Server

server onlynewest supported 1.21.11TechnologyUtilityGame MechanicsManagement
Latest version
1.3.0
Minecraft
1.8 to 1.21.11
Java
Java 21+
Platforms
Waterfall, Velocity, BungeeCord
Licence
GPL-3.0-only
Downloads
850
Updated
7 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Neptune Core servers

One click and Neptune Core is installed on a Paper or Purpur server built for it.

  • 1.21.11
  • Waterfall
  • Velocity
  • BungeeCord
  • One click plugin install
  • Paper and Purpur ready
  • Automatic updates
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Neptune Core declares support for, newest first, with the Java runtime that version needs.

Other plugins
MinecraftThroughJavaEvidenceReleased
1.21.11Waterfall, Velocity, BungeeCord21+declared9 Dec 2025
1.21.10BungeeCord, Waterfall, Velocity21+declared7 Oct 2025
1.21.9Velocity, Waterfall, BungeeCord21+declared30 Sept 2025
1.21.8Velocity, Waterfall, BungeeCord21+declared17 Jul 2025
1.21.7Velocity, Waterfall, BungeeCord21+declared30 Jun 2025
1.21.6Velocity, Waterfall, BungeeCord21+declared17 Jun 2025
1.21.5Velocity, Waterfall, BungeeCord21+declared25 Mar 2025
1.21.4BungeeCord, Waterfall, Velocity21+declared3 Dec 2024
1.21.3Waterfall, Velocity, BungeeCord21+declared23 Oct 2024
1.21.2BungeeCord, Waterfall, Velocity21+declared22 Oct 2024
1.21.1Velocity, Waterfall, BungeeCord21+declared8 Aug 2024
1.21Velocity, Waterfall, BungeeCord21+declared13 Jun 2024
1.20.6Velocity, Waterfall, BungeeCord21+declared29 Apr 2024
1.20.5Velocity, Waterfall, BungeeCord21+declared23 Apr 2024
1.20.4Velocity, Waterfall, BungeeCord17+declared7 Dec 2023
1.20.3Velocity, Waterfall, BungeeCord17+declared4 Dec 2023
1.20.2BungeeCord, Waterfall, Velocity17+declared20 Sept 2023
1.20.1Waterfall, Velocity, BungeeCord17+declared12 Jun 2023
1.20BungeeCord, Waterfall, Velocity17+declared2 Jun 2023
1.19.4Velocity, Waterfall, BungeeCord17+declared14 Mar 2023
1.19.3Velocity, Waterfall, BungeeCord17+declared7 Dec 2022
1.19.2Velocity, Waterfall, BungeeCord17+declared5 Aug 2022
1.19.1Velocity, Waterfall, BungeeCord17+declared27 Jul 2022
1.19Velocity, Waterfall, BungeeCord17+declared7 Jun 2022
1.18.2Velocity, Waterfall, BungeeCord17+declared28 Feb 2022
1.18.1Waterfall, Velocity, BungeeCord17+declared10 Dec 2021
1.18Waterfall, Velocity, BungeeCord17+declared30 Nov 2021
1.17.1BungeeCord, Waterfall, Velocity16+declared6 Jul 2021
1.17Velocity, Waterfall, BungeeCord16+declared8 Jun 2021
1.16.5Velocity, Waterfall, BungeeCord8+declared14 Jan 2021
1.16.4Velocity, Waterfall, BungeeCord8+declared29 Oct 2020
1.16.3Velocity, Waterfall, BungeeCord8+declared10 Sept 2020
1.16.2Velocity, Waterfall, BungeeCord8+declared11 Aug 2020
1.16.1Waterfall, BungeeCord, Velocity8+declared24 Jun 2020
1.16BungeeCord, Velocity, Waterfall8+declared23 Jun 2020
1.15.2Waterfall, Velocity, BungeeCord8+declared17 Jan 2020
1.15.1BungeeCord, Waterfall, Velocity8+declared16 Dec 2019
1.15Velocity, Waterfall, BungeeCord8+declared9 Dec 2019
1.14.4Velocity, Waterfall, BungeeCord8+declared19 Jul 2019
1.14.3Velocity, Waterfall, BungeeCord8+declared24 Jun 2019

30 older versions not shown.

Download

From Neptune Core’s own host. Nothing is re-hosted here.

1.3.0release14 Mar 2026

neptunecore-bungee-1.3.0.jar · 14.8 MB · for 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +65 more

Download latest
430a0da9829b…
Older versions9
  • 1.2.24 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +65 more14.8 MB21 downloads8f4f923bdfd1…Get
  • 1.2.121 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +65 more8.9 MB17 downloads2ffbbe8a91f8…Get
  • 1.2.010 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +56 more8.9 MB25 downloads81b20f745018…Get
  • 1.1.227 Oct 20241.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6 +49 more7.7 MB144 downloads3bdf232afb52…Get
  • 1.1.126 Jun 20241.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3 +46 more0.3 MB154 downloads1e4aa0836173…Get
  • 1.0.111 Apr 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20 +42 more0.3 MB119 downloadsc3b81808aede…Get
  • 1.0.06 Apr 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20 +43 more0.3 MB84 downloads92f86fecaba6…Get
  • ALPHA-1.0.17 Mar 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20 +43 more53 KB97 downloads460a53882aca…Get
  • ALPHA-1.0.03 Mar 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20 +43 more50 KB90 downloads1ef98a1cc8f1…Get

Frequently asked

Does Neptune Core work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Neptune Core declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Neptune Core support?

Everything the author has declared, from 1.8 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Neptune Core on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which platform or loader does Neptune Core support?

Waterfall, Velocity, BungeeCord. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Neptune Core?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the plugin itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Neptune Core under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Neptune Core?

Choose the release variant for your server platform. Paper, Spigot, Purpur and Bukkit files go in the server's plugins folder; Fabric, Forge, NeoForge and Quilt files go in the mods folder. Restart after installing and check that the Minecraft version matches your server.

Where do I download Neptune Core safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 14 Mar 2026. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .