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OpenJavascriptMinecraft plugin for 26.1

Create custom menus, commands, plugins, systems, basically anything with scripts in Javascript! With multithreading and Folia support! Everything is fully documented in the documentation!

server onlynewest supported 26.1TechnologyUtilityGame MechanicsStorage
Latest version
1.5.0
Minecraft
1.13 to 26.1
Java
Java 25+
Platforms
Bukkit, Purpur, Spigot, Paper and 1 more
Licence
AGPL-3.0-only
Downloads
2.1k
Updated
2 mo ago
Available on
Modrinth
Space NodeOur hosting

Host OpenJavascript servers

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

  • 26.1
  • Bukkit
  • Purpur
  • Spigot
  • Paper
  • One click plugin install
  • Paper and Purpur ready
  • Automatic updates
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

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

Other plugins
MinecraftThroughJavaEvidenceReleased
26.1Bukkit, Purpur, Spigot, Paper, Folia25+declared24 Mar 2026
1.21.11Folia, Spigot, Purpur, Paper, Bukkit21+declared9 Dec 2025
1.21.10Folia, Spigot, Purpur, Paper, Bukkit21+declared7 Oct 2025
1.21.9Folia, Spigot, Purpur, Paper, Bukkit21+declared30 Sept 2025
1.21.8Folia, Spigot, Purpur, Paper, Bukkit21+declared17 Jul 2025
1.21.7Purpur, Spigot, Paper, Folia, Bukkit21+declared30 Jun 2025
1.21.6Bukkit, Spigot, Purpur, Paper, Folia21+declared17 Jun 2025
1.21.5Folia, Spigot, Purpur, Paper, Bukkit21+declared25 Mar 2025
1.21.4Folia, Spigot, Purpur, Paper, Bukkit21+declared3 Dec 2024
1.21.3Folia, Spigot, Purpur, Paper, Bukkit21+declared23 Oct 2024
1.21.2Paper, Spigot, Bukkit, Purpur, Folia21+declared22 Oct 2024
1.21.1Purpur, Spigot, Paper, Folia, Bukkit21+declared8 Aug 2024
1.21Bukkit, Spigot, Purpur, Paper, Folia21+declared13 Jun 2024
1.20.6Folia, Spigot, Purpur, Paper, Bukkit21+declared29 Apr 2024
1.20.5Folia, Spigot, Purpur, Paper, Bukkit21+declared23 Apr 2024
1.20.4Folia, Spigot, Purpur, Paper, Bukkit17+declared7 Dec 2023
1.20.3Folia, Spigot, Purpur, Paper, Bukkit17+declared4 Dec 2023
1.20.2Purpur, Spigot, Paper, Folia, Bukkit17+declared20 Sept 2023
1.20.1Bukkit, Spigot, Purpur, Paper, Folia17+declared12 Jun 2023
1.20Folia, Spigot, Purpur, Paper, Bukkit17+declared2 Jun 2023
1.19.4Folia, Spigot, Purpur, Paper, Bukkit17+declared14 Mar 2023
1.19.3Folia, Spigot, Purpur, Paper, Bukkit17+declared7 Dec 2022
1.19.2Purpur, Spigot, Folia, Bukkit, Paper17+declared5 Aug 2022
1.19.1Paper, Bukkit, Folia, Purpur, Spigot17+declared27 Jul 2022
1.19Bukkit, Spigot, Purpur, Paper, Folia17+declared7 Jun 2022
1.18.2Folia, Spigot, Purpur, Paper, Bukkit17+declared28 Feb 2022
1.18.1Folia, Spigot, Purpur, Paper, Bukkit17+declared10 Dec 2021
1.18Folia, Spigot, Purpur, Paper, Bukkit17+declared30 Nov 2021
1.17.1Folia, Spigot, Purpur, Paper, Bukkit16+declared6 Jul 2021
1.17Purpur, Spigot, Paper, Folia, Bukkit16+declared8 Jun 2021
1.16.5Bukkit, Spigot, Purpur, Paper, Folia8+declared14 Jan 2021
1.16.4Folia, Spigot, Purpur, Paper, Bukkit8+declared29 Oct 2020
1.16.3Folia, Spigot, Purpur, Paper, Bukkit8+declared10 Sept 2020
1.16.2Folia, Spigot, Purpur, Paper, Bukkit8+declared11 Aug 2020
1.16.1Paper, Spigot, Bukkit, Purpur, Folia8+declared24 Jun 2020
1.16Purpur, Spigot, Paper, Folia, Bukkit8+declared23 Jun 2020
1.15.2Bukkit, Spigot, Purpur, Paper, Folia8+declared17 Jan 2020
1.15.1Folia, Spigot, Purpur, Paper, Bukkit8+declared16 Dec 2019
1.15Folia, Spigot, Purpur, Paper, Bukkit8+declared9 Dec 2019
1.14.4Folia, Spigot, Purpur, Paper, Bukkit8+declared19 Jul 2019

7 older versions not shown.

Download

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

1.5.0release29 Jul 2026

openjs-1.5.0.jar · 2.4 MB · for 26.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +26 more

Download latest
0e4bb32d9e6d…
Older versions11
  • 1.5.0-Spigot29 Jul 202626.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +26 more3.3 MB1 downloadsaf31e6df32ab…Get
  • 1.4.031 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +22 more2.4 MB540 downloads72d133395f36…Get
  • 1.4.0-Spigot31 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +22 more3.1 MB49 downloads4ea5c2e9a454…Get
  • 1.4.0a22 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +22 more2.5 MB41 downloads1f6a880f2ce9…Get
  • 1.3.230 Jan 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +22 more2.4 MB229 downloads70d3cb49ae0f…Get
  • 1.3.011 Jan 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +22 more3.3 MB122 downloads272b6489589e…Get
  • 1.2.031 Jul 20251.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4 +38 more3.1 MB408 downloads711711f38def…Get
  • 1.1.028 Jun 20251.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.2 +36 more4.2 MB113 downloads46217bdbed64…Get
  • 1.0.728 May 20251.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1 +35 more4.1 MB97 downloads43ac2bf53dad…Get
  • 1.0.625 May 20251.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1 +35 more4.1 MB51 downloadsfc644f61fd2d…Get
  • 1.0.527 Jan 20251.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1 +35 more4.1 MB76 downloadsb02e8a59bbc6…Get

Frequently asked

Does OpenJavascript work on Minecraft 26.1?

Yes. 26.1 is the newest Minecraft version OpenJavascript 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 OpenJavascript support?

Everything the author has declared, from 1.13 up to 26.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install OpenJavascript on the client or the server?

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

Which platform or loader does OpenJavascript support?

Bukkit, Purpur, Spigot, Paper, Folia. 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 OpenJavascript?

On the newest Minecraft version it supports, Java 25 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 OpenJavascript under?

AGPL-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 OpenJavascript?

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 OpenJavascript 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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Last checked 30 d ago against Modrinth. 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? .