diff --git a/DBIS/.gitignore b/DBIS/.gitignore
new file mode 100644
index 0000000..71f76af
--- /dev/null
+++ b/DBIS/.gitignore
@@ -0,0 +1,7 @@
+node_modules/
+.next/
+out/
+dist/
+.env
+.env.local
+.env.*.local
diff --git a/ICCC/.gitignore b/ICCC/.gitignore
new file mode 100644
index 0000000..71f76af
--- /dev/null
+++ b/ICCC/.gitignore
@@ -0,0 +1,7 @@
+node_modules/
+.next/
+out/
+dist/
+.env
+.env.local
+.env.*.local
diff --git a/OMNL/.gitignore b/OMNL/.gitignore
new file mode 100644
index 0000000..71f76af
--- /dev/null
+++ b/OMNL/.gitignore
@@ -0,0 +1,7 @@
+node_modules/
+.next/
+out/
+dist/
+.env
+.env.local
+.env.*.local
diff --git a/XOM/.gitignore b/XOM/.gitignore
new file mode 100644
index 0000000..71f76af
--- /dev/null
+++ b/XOM/.gitignore
@@ -0,0 +1,7 @@
+node_modules/
+.next/
+out/
+dist/
+.env
+.env.local
+.env.*.local