diff --git a/assets/lang/lang_en.properties b/assets/lang/lang_en.properties
index 700c38a..9ea3730 100644
--- a/assets/lang/lang_en.properties
+++ b/assets/lang/lang_en.properties
@@ -204,6 +204,7 @@ error.flamingo_offline="Could not connect to Flamingo.\nSome launcher functional
 error.no_compatible_jvm="No compatible Java VM to start the editor with."
 error.folders_within_mods_folder="There are folders within the mods folder.\nYou do not need to extract the .zip files, simply drag and drop the .zip files inside the mods folder."
 error.unsupported_64bit="Your system does not support a 64-bit Java VM."
+error.not_supported="Not supported."
 
 # Discord RPC strings
 presence.using="Using Knight Launcher"
diff --git a/src/main/java/com/luuqui/launcher/LauncherEventHandler.java b/src/main/java/com/luuqui/launcher/LauncherEventHandler.java
index 1bfc3d2..3d4a276 100644
--- a/src/main/java/com/luuqui/launcher/LauncherEventHandler.java
+++ b/src/main/java/com/luuqui/launcher/LauncherEventHandler.java
@@ -314,8 +314,6 @@ public static void selectedServerChanged(ActionEvent event) {
         LauncherGUI.playerCountTooltipButton.setVisible(true);
         LauncherGUI.serverInfoButton.setEnabled(false);
         LauncherGUI.serverInfoButton.setVisible(false);
-        LauncherGUI.editorsButton.setEnabled(true);
-        LauncherGUI.editorsButton.setVisible(true);
       } else {
         LauncherGUI.launchButton.setEnabled(selectedServer.enabled == 1);
         if(!selectedServer.isInstalled()) {
@@ -335,10 +333,6 @@ public static void selectedServerChanged(ActionEvent event) {
 
         // TODO: Fetch player count.
         LauncherGUI.playerCountLabel.setVisible(false);
-
-        // TODO: Editors support for third party servers.
-        LauncherGUI.editorsButton.setEnabled(false);
-        LauncherGUI.editorsButton.setVisible(false);
       }
       LauncherApp.selectedServer = selectedServer;
 
diff --git a/src/main/java/com/luuqui/launcher/editor/EditorsEventHandler.java b/src/main/java/com/luuqui/launcher/editor/EditorsEventHandler.java
index ed6b4f8..8b263e6 100644
--- a/src/main/java/com/luuqui/launcher/editor/EditorsEventHandler.java
+++ b/src/main/java/com/luuqui/launcher/editor/EditorsEventHandler.java
@@ -1,6 +1,7 @@
 package com.luuqui.launcher.editor;
 
 import com.luuqui.dialog.Dialog;
+import com.luuqui.launcher.LauncherApp;
 import com.luuqui.launcher.LauncherGlobals;
 import com.luuqui.launcher.Locale;
 import com.luuqui.launcher.ModuleLoader;
@@ -10,6 +11,8 @@
 import javax.swing.*;
 import java.awt.event.ActionEvent;
 import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
 
 import static com.luuqui.launcher.editor.Log.log;
 
@@ -18,7 +21,7 @@ public class EditorsEventHandler {
   public static boolean isBooting = false;
   public static boolean spiralviewExtracted = false;
 
-  private static void startEditor(String editor, String arg) {
+  private static void startEditor(String editor, String arg, boolean thirdparty) {
     if(!spiralviewExtracted) {
       ModuleLoader.loadSpiralview();
       spiralviewExtracted = true;
@@ -41,45 +44,72 @@ private static void startEditor(String editor, String arg) {
         Dialog.push(Locale.getValue("error.no_compatible_jvm"), Locale.getValue("b.editors"), JOptionPane.ERROR_MESSAGE);
       }
 
-      String[] editorCmdLine = new String[] {
-        javaVMPath,
-        "-classpath",
-        LauncherGlobals.USER_DIR + File.separator + "./KnightLauncher/modules/spiralview/spiralview.jar" + libSeparator +
-          LauncherGlobals.USER_DIR + File.separator + "./code/projectx-config.jar" + libSeparator +
-          LauncherGlobals.USER_DIR + File.separator + "./code/projectx-pcode.jar" + libSeparator +
-          LauncherGlobals.USER_DIR + File.separator + "./code/lwjgl_util.jar" + libSeparator +
-          LauncherGlobals.USER_DIR + File.separator + "./code/lwjgl.jar",
-        "-Xms2G",
-        "-Xmx2G",
-        "-Dappdir=" + LauncherGlobals.USER_DIR + File.separator + "./",
-        "-Dresource_dir=" + LauncherGlobals.USER_DIR + File.separator + "./rsrc",
-        "-Djava.library.path=" + LauncherGlobals.USER_DIR + File.separator + "./native",
-        editor,
-        arg
-      };
-
-      ProcessUtil.runFromDirectory(editorCmdLine, LauncherGlobals.USER_DIR, true);
+      String classpath = "";
+      String rootDir = LauncherApp.selectedServer.getRootDirectory();
+      if(!thirdparty) classpath += rootDir + File.separator + "./KnightLauncher/modules/spiralview/spiralview.jar" + libSeparator;
+      if(thirdparty) classpath += LauncherGlobals.USER_DIR + File.separator + "./KnightLauncher.jar" + libSeparator;
+      classpath += rootDir + File.separator + "./code/projectx-config.jar" + libSeparator;
+      classpath += rootDir + File.separator + "./code/projectx-pcode.jar" + libSeparator;
+      classpath += rootDir + File.separator + "./code/lwjgl_util.jar" + libSeparator;
+      classpath += rootDir + File.separator + "./code/lwjgl.jar";
+
+      List<String> editorCmdLine = new ArrayList<>();
+      editorCmdLine.add(javaVMPath);
+      editorCmdLine.add("-classpath");
+      editorCmdLine.add(classpath);
+      editorCmdLine.add("-Xms2G");
+      editorCmdLine.add("-Xmx2G");
+      if(thirdparty) {
+        editorCmdLine.add("-Dcom.threerings.getdown=false");
+        editorCmdLine.add("-XX:SoftRefLRUPolicyMSPerMB=10");
+        editorCmdLine.add("-Dorg.lwjgl.util.NoChecks=true");
+        editorCmdLine.add("-Dsun.java2d.d3d=false");
+        editorCmdLine.add("-XX:+AggressiveOpts");
+      }
+      editorCmdLine.add("-Dappdir=" + rootDir + File.separator + "./");
+      editorCmdLine.add("-Dresource_dir=" + rootDir + File.separator + "./rsrc");
+      editorCmdLine.add("-Djava.library.path=" + rootDir + File.separator + "./native");
+      editorCmdLine.add(editor);
+      editorCmdLine.add(arg);
+
+      ProcessUtil.runFromDirectory(editorCmdLine.toArray(new String[editorCmdLine.size()]), rootDir, true);
     }
   }
 
   public static void startModelViewer(ActionEvent actionEvent) {
     EditorsGUI.editorLaunchFakeProgressBar.setMaximum(150);
-    startEditor("com.luuqui.spiralview.ModelViewerHook", "rsrc/character/pc/model.dat");
+    if(LauncherApp.selectedServer.isOfficial()) {
+      startEditor("com.luuqui.spiralview.ModelViewerHook", "rsrc/character/pc/model.dat", false);
+    } else {
+      startEditor("com.threerings.opengl.model.tools.ModelViewer", LauncherApp.selectedServer.getRootDirectory() + "rsrc/character/pc/model.dat", true);
+    }
   }
 
   public static void startSceneEditor(ActionEvent actionEvent) {
     EditorsGUI.editorLaunchFakeProgressBar.setMaximum(155);
-    startEditor("com.luuqui.spiralview.SceneEditorHook", "");
+    if(LauncherApp.selectedServer.isOfficial()) {
+      startEditor("com.luuqui.spiralview.SceneEditorHook", "", false);
+    } else {
+      startEditor("com.threerings.tudey.tools.SceneEditor", "", true);
+    }
   }
 
   public static void startInterfaceTester(ActionEvent actionEvent) {
     EditorsGUI.editorLaunchFakeProgressBar.setMaximum(110);
-    startEditor("com.luuqui.spiralview.InterfaceTesterHook", "");
+    if(LauncherApp.selectedServer.isOfficial()) {
+      startEditor("com.luuqui.spiralview.InterfaceTesterHook", "", false);
+    } else {
+      Dialog.push(Locale.getValue("error.not_supported"), Locale.getValue("t.error"), JOptionPane.ERROR_MESSAGE);
+    }
   }
 
   public static void startParticleEditor(ActionEvent actionEvent) {
     EditorsGUI.editorLaunchFakeProgressBar.setMaximum(125);
-    startEditor("com.luuqui.spiralview.ParticleEditorHook", "");
+    if(LauncherApp.selectedServer.isOfficial()) {
+      startEditor("com.luuqui.spiralview.ParticleEditorHook", "", false);
+    } else {
+      startEditor("com.threerings.opengl.effect.tools.ParticleEditor", "", true);
+    }
   }
 
   protected static void startedBooting() {