diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..c9788b5aa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,20 @@
+*.class
+*.*~
+lib/yacycore.jar
+libbuild/svnRevNr.jar
+libbuild/GitRevTask.jar
+gen/**
+/DATA
+classes/
+RELEASE/
+/yacy.pid
+.DS_Store
+lib/yacy-cora.jar
+/DATA.bkp
+/DATA.1
+/gen
+/api
+/winDATA.bkp/
+/DATA.cloud/
+yacy.log
+/target/