diff --git a/extra/semantic-versioning/authors.txt b/extra/semantic-versioning/authors.txt
new file mode 100644
index 0000000000..28e54b92df
--- /dev/null
+++ b/extra/semantic-versioning/authors.txt
@@ -0,0 +1 @@
+Maximilian Lupke
\ No newline at end of file
diff --git a/extra/semantic-versioning/semantic-versioning-tests.factor b/extra/semantic-versioning/semantic-versioning-tests.factor
new file mode 100644
index 0000000000..9745cc94a2
--- /dev/null
+++ b/extra/semantic-versioning/semantic-versioning-tests.factor
@@ -0,0 +1,5 @@
+USING: semantic-versioning tools.test ;
+IN: semantic-versioning.tests
+
+[ { 1 0 0 "dev1" } ] [ "1.0.0dev1" split-version ] unit-test
+[ { 1 2 3 } ] [ "1.2.3" split-version ] unit-test
diff --git a/extra/semantic-versioning/semantic-versioning.factor b/extra/semantic-versioning/semantic-versioning.factor
new file mode 100644
index 0000000000..116d5a58a1
--- /dev/null
+++ b/extra/semantic-versioning/semantic-versioning.factor
@@ -0,0 +1,10 @@
+! Copyright (C) 2010 Maximilian Lupke.
+! See http://factorcode.org/license.txt for BSD license.
+USING: arrays ascii kernel math.parser sequences splitting ;
+IN: semantic-versioning
+
+: split-version ( string -- array )
+    "." split first3 dup [ digit? not ] find
+    [ cut [ [ string>number ] tri@ ] dip 4array ]
+    [ drop [ string>number ] tri@ 3array ]
+    if ;