diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
new file mode 100644
index 000000000..2fda01c25
--- /dev/null
+++ b/buildSrc/build.gradle.kts
@@ -0,0 +1,14 @@
+plugins {
+    // Support convention plugins written in Kotlin. Convention plugins are build scripts in 'src/main' that automatically become available as plugins in the main build.
+    `kotlin-dsl`
+    id("com.github.johnrengelman.shadow") version ("6.1.0") apply false
+}
+
+repositories {
+    // Use the plugin portal to apply community plugins in convention plugins.
+    gradlePluginPortal()
+}
+
+dependencies {
+    compileOnly("com.github.jengelman.gradle.plugins", "shadow", "6.1.0")
+}
\ No newline at end of file
diff --git a/buildSrc/src/main/kotlin/extensions.kt b/buildSrc/src/main/kotlin/extensions.kt
new file mode 100644
index 000000000..cfe7f63b0
--- /dev/null
+++ b/buildSrc/src/main/kotlin/extensions.kt
@@ -0,0 +1,45 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+
+fun relocate(shadow: ShadowJar) {
+    shadow.relocate("org.yaml.snakeyaml", "us.myles.viaversion.libs.snakeyaml")
+    shadow.relocate("javassist", "us.myles.viaversion.libs.javassist")
+    shadow.relocate("com.google.gson", "us.myles.viaversion.libs.gson")
+    shadow.relocate("com.github.steveice10.opennbt", "us.myles.viaversion.libs.opennbt")
+
+    shadow.relocate("net.md_5.bungee", "us.myles.viaversion.libs.bungeecordchat") {
+        include("net.md_5.bungee.api.chat.*")
+        include("net.md_5.bungee.api.ChatColor")
+        include("net.md_5.bungee.api.ChatMessageType")
+        include("net.md_5.bungee.chat.*")
+    }
+}
+
+fun relocateAll(shadow: ShadowJar) {
+    relocate(shadow)
+    shadow.relocate("it.unimi.dsi.fastutil", "us.myles.viaversion.libs.fastutil") {
+        // We only want int and Object maps
+        include("it.unimi.dsi.fastutil.ints.*")
+        include("it.unimi.dsi.fastutil.objects.*")
+        include("it.unimi.dsi.fastutil.*.class")
+        // Object types
+        exclude("it.unimi.dsi.fastutil.*.*Reference*")
+        exclude("it.unimi.dsi.fastutil.*.*Boolean*")
+        exclude("it.unimi.dsi.fastutil.*.*Byte*")
+        exclude("it.unimi.dsi.fastutil.*.*Short*")
+        exclude("it.unimi.dsi.fastutil.*.*Float*")
+        exclude("it.unimi.dsi.fastutil.*.*Double*")
+        exclude("it.unimi.dsi.fastutil.*.*Long*")
+        exclude("it.unimi.dsi.fastutil.*.*Char*")
+        // Map types
+        exclude("it.unimi.dsi.fastutil.*.*Custom*")
+        exclude("it.unimi.dsi.fastutil.*.*Linked*")
+        exclude("it.unimi.dsi.fastutil.*.*Sorted*")
+        exclude("it.unimi.dsi.fastutil.*.*Tree*")
+        exclude("it.unimi.dsi.fastutil.*.*Heap*")
+        exclude("it.unimi.dsi.fastutil.*.*Queue*")
+        // Crossing fingers
+        exclude("it.unimi.dsi.fastutil.*.*Big*")
+        exclude("it.unimi.dsi.fastutil.*.*Synchronized*")
+        exclude("it.unimi.dsi.fastutil.*.*Unmodifiable*")
+    }
+}
diff --git a/buildSrc/src/main/kotlin/relocator.gradle.kts b/buildSrc/src/main/kotlin/relocator.gradle.kts
new file mode 100644
index 000000000..e69de29bb
diff --git a/bukkit-legacy/build.gradle.kts b/bukkit-legacy/build.gradle.kts
index afb9498c5..6e3199500 100644
--- a/bukkit-legacy/build.gradle.kts
+++ b/bukkit-legacy/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viaversion-common"))
+    compileOnly(project(":viaversion-common"))
     compileOnly("org.bukkit:bukkit:1.8.8-R0.1-SNAPSHOT") {
         exclude("junit", "junit")
         exclude("com.google.code.gson", "gson")
diff --git a/bukkit/build.gradle.kts b/bukkit/build.gradle.kts
index 262c78b66..9eb59e641 100644
--- a/bukkit/build.gradle.kts
+++ b/bukkit/build.gradle.kts
@@ -1,6 +1,8 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+
 dependencies {
     implementation(project(":viaversion-bukkit-legacy"))
-    implementation(project(":viaversion-common"))
+    compileOnly(project(":viaversion-common"))
     compileOnly("org.spigotmc:spigot-api:1.16.5-R0.1-SNAPSHOT") {
         exclude("junit", "junit")
         exclude("com.google.code.gson", "gson")
diff --git a/bungee/build.gradle.kts b/bungee/build.gradle.kts
index 060b085c8..387f235ba 100644
--- a/bungee/build.gradle.kts
+++ b/bungee/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viaversion-common"))
+    compileOnly(project(":viaversion-common"))
     compileOnly("net.md-5:bungeecord-api:1.15-SNAPSHOT")
 }
 
diff --git a/common/build.gradle.kts b/common/build.gradle.kts
index dae021786..dd1d62039 100644
--- a/common/build.gradle.kts
+++ b/common/build.gradle.kts
@@ -10,4 +10,21 @@ blossom {
     replaceToken("\$IMPL_VERSION", "git-ViaVersion-" + project.version + ":" + commitId)
 }
 
+dependencies {
+    implementation("net.md-5:bungeecord-chat:1.16-R0.5-SNAPSHOT")
+    implementation("it.unimi.dsi:fastutil:8.3.1")
+    implementation("com.github.steveice10:opennbt:1.2-SNAPSHOT")
+    implementation("com.google.code.gson:gson:2.8.6")
+    implementation("org.javassist:javassist:3.27.0-GA")
+    implementation("org.yaml:snakeyaml:1.18")
+
+    compileOnly("io.netty:netty-all:4.0.20.Final")
+    compileOnly("com.google.guava:guava:17.0")
+    compileOnly("org.jetbrains:annotations:19.0.0")
+
+    testImplementation("io.netty:netty-all:4.0.20.Final")
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.6.3")
+    testImplementation("org.junit.jupiter:junit-jupiter-engine:5.6.3")
+}
+
 description = "viaversion-common"
diff --git a/fabric/build.gradle.kts b/fabric/build.gradle.kts
index 6d2a5ca65..c52771198 100644
--- a/fabric/build.gradle.kts
+++ b/fabric/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viaversion-common"))
+    compileOnly(project(":viaversion-common"))
 }
 
 description = "viaversion-fabric"
diff --git a/jar/build.gradle.kts b/jar/build.gradle.kts
index 0e0156d3c..bcb1948c0 100644
--- a/jar/build.gradle.kts
+++ b/jar/build.gradle.kts
@@ -1,3 +1,5 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+
 dependencies {
     implementation(project(":viaversion-common"))
     implementation(project(":viaversion-bukkit"))
@@ -7,4 +9,10 @@ dependencies {
     implementation(project(":viaversion-velocity"))
 }
 
+tasks {
+    withType<ShadowJar>() {
+        archiveFileName.set("ViaVersion-" + project.version + ".jar")
+    }
+}
+
 description = "viaversion-jar"
diff --git a/sponge-legacy/build.gradle.kts b/sponge-legacy/build.gradle.kts
index 956a120a5..3b3023056 100644
--- a/sponge-legacy/build.gradle.kts
+++ b/sponge-legacy/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viaversion-common"))
+    compileOnly(project(":viaversion-common"))
     compileOnly("org.spongepowered:spongeapi:4.0.0-SNAPSHOT")
 }
 
diff --git a/sponge/build.gradle.kts b/sponge/build.gradle.kts
index 6dc243097..7f31ac37c 100644
--- a/sponge/build.gradle.kts
+++ b/sponge/build.gradle.kts
@@ -1,6 +1,6 @@
 dependencies {
     implementation(project(":viaversion-sponge-legacy"))
-    implementation(project(":viaversion-common"))
+    compileOnly(project(":viaversion-common"))
     compileOnly("org.spongepowered:spongeapi:5.0.0-SNAPSHOT")
 }
 
diff --git a/velocity/build.gradle.kts b/velocity/build.gradle.kts
index 3d6b01abe..eca0491e9 100644
--- a/velocity/build.gradle.kts
+++ b/velocity/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viaversion-common"))
+    compileOnly(project(":viaversion-common"))
     compileOnly("com.velocitypowered:velocity-api:1.1.0-SNAPSHOT")
     annotationProcessor("com.velocitypowered:velocity-api:1.1.0-SNAPSHOT")
 }