diff --git a/metadata/de.sorunome.unifiednlp.trains.yml b/metadata/de.sorunome.unifiednlp.trains.yml
new file mode 100644
index 0000000000..ccf988d62e
--- /dev/null
+++ b/metadata/de.sorunome.unifiednlp.trains.yml
@@ -0,0 +1,35 @@
+AntiFeatures:
+  - NonFreeNet
+Categories:
+  - Navigation
+License: GPL-3.0-only
+SourceCode: https://gitlab.com/Sorunome/trains-unifiednlp
+IssueTracker: https://gitlab.com/Sorunome/trains-unifiednlp/issues
+
+RepoType: git
+Repo: https://gitlab.com/Sorunome/trains-unifiednlp.git
+
+Builds:
+  - versionName: v0.1.0
+    versionCode: 13
+    commit: 065494588f2e25c6b3fa3dc94344a07dcac8367f
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
+    gradle:
+      - yes
+    srclibs:
+      - earth-gravitational-model@v1.0.0
+    prebuild: sed -i -e '/git {/,+4d' -e '/google/amavenLocal()' -e "/implementation/aimplementation
+        'com.barbeaudev:earth-gravitational-model:1.0.0'" build.gradle
+    build:
+      - pushd $$earth-gravitational-model$$
+      - gradle build
+      - gradle publishToMavenLocal
+      - popd
+
+AutoUpdateMode: Version
+UpdateCheckMode: Tags
+CurrentVersion: v0.1.0
+CurrentVersionCode: 13
diff --git a/srclibs/earth-gravitational-model.yml b/srclibs/earth-gravitational-model.yml
new file mode 100644
index 0000000000..97aacd5be3
--- /dev/null
+++ b/srclibs/earth-gravitational-model.yml
@@ -0,0 +1,2 @@
+RepoType: git
+Repo: https://github.com/barbeau/earth-gravitational-model.git