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    2,069,704 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 26 Oct 2026.646,524 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 26 Oct 2026.270,449 projects gradedProjects with a letter from A to F. Counted on 26 Oct 2026.

    Modgrade

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    • Malware we found
    • What's new
    • API
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    GT--

    Mod

    Adds new power generators and machines for making useful materials.

    Download

    Files come from Modrinth and CurseForge servers.

    gtnn-1.21-1.0.8b.jar

    Released 21 Jun 2024 · 672.8 KB

    Passed: our checks found nothing harmful in this file.

    Download
    A90/ 100
    Security
    Passed
    Privacy
    None found
    Runs on
    Client and server
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 1.21
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21
    • ModpacksIn 27
    • ReleasesLatest 7 Sep
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21, a version many recently updated mods still support
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Many modpacks removed it−4 points
    • Releases replaced within 3 days to fix a problem−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.7 weeks ago (7 Sep 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.21 on NeoForge, 1.20.6 on Forge. 18% of the 993 popular NeoForge mods updated in the last 6 months also have files for 1.21. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 13 of the last 24 months 6 / 6

    • Stability

      6 points lost16 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.5 of the 24 modpacks with two or more versions removed it in a later one (21%) See the 5 modpacks6 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.5 of its 25 releases in 2 years needed a quick fix (20%) See the 5 releases5 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Arborsm/GT-- 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Arborsm/GT-- 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.72,677 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.6 years, 55 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 3 latest files for recent Minecraft versions. See Security
    Total90 / 100

    64 of the 71 points that apply = 90 out of 100.

    Images

    • Screenshot 1 of GT--

    About

    GT-- extends GTCEu Modern with generator and production machinery, including a Rocket Engine that burns rocket fuel for power, a Naquadah Generator, and a multiblock Large Naquadah Generator that uses dedicated Naquadah fuel. Its production additions include a Dehydrator, a Neutron Activator for processing Naquadah, chemical plants for making rocket fuel, and precision assembly recipes for GTCEu Modern’s large assembly machine. The mod also modifies Naquadah processing and adds a platinum process from GTNH that can be turned off. Integrations add GT ore veins in Twilight Forest, a bomb recipe with Supplementaries, and a small number of recipes with CC: Tweaked; with Ad Astra!, GT-- changes End ore veins and the rocket technology process and adds ore veins.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 3 areas: User interfaceChanges 3 game code files in this area: menus, screens, tooltips, the chat window and the in-game overlay., Server and world logicChanges 2 game code files in this area: the world, commands, scoreboards, saved data and game rules. and Inventory and itemsChanges 1 game code file in this area: items, chests and other containers, crafting and enchanting..

    Adds:

    • 55 blocksAdvanced Filter Casing, Catalyst Hatch, Circuit Assembly Line, Component Assembly Line, Component Assembly Line Casing (EV), Component Assembly Line Casing (HV), Component Assembly Line Casing (IV), Component Assembly Line Casing (LuV) and 47 more. Blocks with their own name, checked against the block files.
    • 221 itemsBohrium-doped Monocrystalline Strontium Carbonate Boule, Bohrium-doped Strontium Carbonate Wafer, Advanced Computer Chip, Computer Chip, Cosmic Planetary Assembly, Cosmic Planetary Supercomputer, Cosmic Planetary Mainframe, Cosmic Planetary Processor and 213 more. Items with their own name, not counting blocks, checked against the item files.

    Counted from the files of the mod. Content made only in its code is not counted.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creator
    Arborsm
    License
    GNU Affero General Public License v3.0 or later
    Downloads
    73K
    Created
    12 Mar 2024
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Found in kotlinforforge, a library it includes. See Privacy
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 3 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      5 latest files: the newest file for each Minecraft version and loader. The answer above is about the 3 for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      Folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.
    • Modrinth and CurseForgeA release with a different file on Modrinth and on CurseForge, whose code is not the same. Each file is checked on its own. Nothing is blocked.
      Minecraft 1.20.1 · NeoForge, Forge · release 1.0.2f · 23 Mar 2024: Modrinth gtnn-1.20.1-1.0.2f.jar, CurseForge gtnn-1.20.1-1.0.2f.jar. 4 classes changed, in org.arbor.gtnn.data: GTNNMaterials, MaterialLang, SecondMaterials, PlatinumLine.
      code differs in 1 release

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 3 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 3 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign so far that AI was used to make it

    We looked for AI tools in its description, files and images and found none.

    We have not read its changelogs and code history yet.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 5 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found in the description
      Changelogs not read yet
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      958 images read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      294 code files read

    Compatibility

    See all 55 files
    NeoForge
    Forge
    1.201.2126.126.3

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed in your game and on the server, or you cannot join.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    LanguagesThe languages the text in the game is available in, from the language files of its latest files we checked. A language file can translate only part of the text.English and 简体中文
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 1.21. Many recently updated mods still support 1.21.

    Related projects

    Projects that need GT-- to work.

    ProjectTypeDownloadsGrade
    Qilby Core-Mod309 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    630
    Oct 2024: 4 modpacksNov 2024: 2 modpacksDec 2024: 3 modpacksJan 2025: 5 modpacksFeb 2025: 4 modpacksMar 2025: 6 modpacksApr 2025: 3 modpacksMay 2025: 1 modpackJun 2025: 2 modpacksJul 2025: 2 modpacksAug 2025: 3 modpacksSep 2025: 3 modpacksOct 2025: 3 modpacksNov 2025: 3 modpacksDec 2025: 3 modpacksJan 2026: 3 modpacksFeb 2026: 4 modpacksMar 2026: 5 modpacksApr 2026: 5 modpacksMay 2026: 6 modpacksJun 2026: 3 modpacksJul 2026: 2 modpacksAug 2026: 3 modpacksSep 2026: 2 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20244
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    Jan 20255
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    Apr 20253
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    Jan 20263
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    Modpacks that include GT-- in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Mystic's Monstrosity84K downloadslast version with it 13 May 2025Create: New Horizon72K downloadslast version with it 1 Jul 2025GregTech:New Beginnings16K downloadslast version with it 1 May 2024(WIP) Greg Quest ( Gregtech, Space And Dragons )13K downloadslast version with it 8 Aug 2026GregTech Easy9.5K downloadslast version with it 14 Sep 2025Quantum Skies9.2K downloadslast version with it 20 Aug 2026Crafted Madness: Modern Era6.1K downloadslast version with it 3 Oct 2026StellarisWorkshop5.3K downloadslast version with it 11 Oct 2026SkyMachina4.8K downloadslast version with it 26 Aug 2024Trusted Modded3.4K downloadslast version with it 1 May 2026
    1 to 10 of 27123

    Often in the same modpacks

    Mods that modpacks often add together with GT--. Share: how many of the modpacks with GT-- also have that mod.

    ProjectTypeShareGrade
    GregTech CEu ModernCModin 100% of the modpacks with GT--Applied Energistics 2 Wireless TerminalsAModin 85% of the modpacks with GT--AttributeFixAModin 81% of the modpacks with GT--Jade Addons (Neo/Forge)AModin 70% of the modpacks with GT--Crafting TweaksAModin 70% of the modpacks with GT--FastSuiteBModin 67% of the modpacks with GT--FramedBlocksAModin 67% of the modpacks with GT--FTB Chunks (NeoForge)AModin 67% of the modpacks with GT--ChippedCModin 67% of the modpacks with GT--Extended AEAModin 63% of the modpacks with GT--
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.20.1·NeoForge1.3.91.3.9 · gtnn-1.20.1-1.3.9.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge1.1.81.1.8 · gtnn-1.20.1-1.1.8.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.3.101.3.10 · gtnn-1.20.1-1.3.10.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21·NeoForge1.0.8b1.0.8b · gtnn-1.21-1.0.8b.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.2 to 1.20.6·Forge1.0.71.0.7 · gtnn-1.0.7.jarSends: None foundRequires:GregTech CEu ModernPassedOur checks found nothing harmful in this file. Its code was read too.

    55 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.3.101.3.10 · gtnn-1.20.1-1.3.10.jar (main file, 1 other file in this version not shown)·7 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge1.3.91.3.9 · gtnn-1.20.1-1.3.9.jar (main file)·24 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.81.3.8 · gtnn-1.20.1-1.3.8.jar (main file)·28 Feb 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.71.3.7 · gtnn-1.20.1-1.3.7.jar (main file)·26 Feb 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge, NeoForge1.3.61.3.6 · gtnn-1.20.1-1.3.6.jar (main file)·29 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.51.3.5 · gtnn-1.20.1-1.3.5.jar (main file)·25 Sep 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.41.3.4 · gtnn-1.20.1-1.3.4.jar (main file)·23 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.31.3.3 · gtnn-1.20.1-1.3.3.jar (main file)·22 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.21.3.2 · gtnn-1.20.1-1.3.2.jar (main file)·5 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.11.3.1 · gtnn-1.20.1-1.3.1.jar (main file)·27 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.01.3.0 · gtnn-1.20.1-1.3.0.jar (main file)·13 Jul 2025Not checkedWe have not checked this file yet.Open this file on ModrinthNot on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.3.01.3.0 · gtnn-1.20.1-1.3.0.jar (main file)·13 Jul 2025Not checkedWe have not checked this file yet.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.2.11.2.1 · gtnn-1.20.1-1.2.1.jar (main file)·8 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.2.01.2.0 · gtnn-1.20.1-1.2.0.jar (main file)·5 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.1.141.1.14 · gtnn-1.20.1-1.1.14.jar (main file)·25 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.0 MB
    1.20.1·Forge1.1.131.1.13 · gtnn-1.20.1-1.1.13.jar (main file)·14 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.0 MB
    1.20.1·Forge1.1.121.1.12 · gtnn-1.20.1-1.1.12.jar (main file)·24 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.0 MB
    1.20.1·Forge1.1.111.1.11 · gtnn-1.20.1-1.1.11.jar (main file)·20 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.0 MB
    1.20.1·Forge1.1.101.1.10 · gtnn-1.20.1-1.1.10.jar (main file)·13 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.0 MB
    1.20.1·Forge1.1.91.1.9 · gtnn-1.20.1-1.1.9.jar (main file)·11 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.0 MB
    1 to 20 of 55123

    Quick fixes

    In the last 2 years, 5 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 2 points.

    See them, newest first
    • gtnn-1.20.1-1.3.828 Feb 2026fix Large Naquadah Reactor
    • gtnn-1.20.1-1.3.423 Aug 2025fix render bug
    • gtnn-1.20.1-1.2.1.jar8 Jul 2025fix server not launch
    • gtnn-1.20.1-1.1.1013 Mar 2025Fix the bug where the progress bar of large silicon rock…
    • gtnn-1.1.5b16 Nov 2024fix XEI issue