diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..898688b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+subsets/*txt
+src/ontology/subsets/*txt
+*.tmp
+src/ontology/mirror/*
+src/envo/modules/*orig.owl
+imports/catalog-v001.xml
+src/envo/imports/catalog-v001.xml
+src/envo/envo-potential-redundant-module.owl
+src/envo/envo-edit-module-merge.owl
+src/envo/OntologyCheck-AfterLoad
+