diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..10451e3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,16 @@
+
+# /src/
+/src/ecoPCR
+/src/ecofind
+/src/*.P
+/src/ecogrep
+
+# /src/libapat/
+/src/libapat/libapat.a
+/src/libapat/*.P
+
+# /src/libecoPCR/
+/src/libecoPCR/*.P
+
+# /src/libthermo/
+/src/libthermo/*.P