diff --git a/pyproject.toml b/pyproject.toml
index f6c9060..7c6dcd1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,9 +7,6 @@ name = "visr"
 classifiers = [
     "Development Status :: 3 - Alpha",
     "License :: OSI Approved :: Apache Software License",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
 ]
diff --git a/useful-links.md b/useful-links.md
new file mode 100644
index 0000000..2189431
--- /dev/null
+++ b/useful-links.md
@@ -0,0 +1,16 @@
+
+# visr stuff
+
+<https://github.com/LukasMasuch/streamlit-pydantic>
+
+<https://discuss.streamlit.io/t/fastapi-backend-streamlit-frontend/55460>
+
+<https://docs.streamlit.io/develop/tutorials/databases/postgresql>
+
+<https://docs.streamlit.io/deploy/tutorials/kubernetes>
+
+<https://www.rabbitmq.com/tutorials/tutorial-one-python>
+
+<https://docs.bytewax.io/stable/guide/getting-started/join-example.html>
+
+<https://github.com/bytewax/bytewax>