diff --git a/README.md b/README.md
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@@ -136,7 +136,9 @@ It's a great way to learn.
 * [**Go**: _Build Your Own Database from Scratch: Persistence, Indexing, Concurrency_](https://build-your-own.org/database/)
 * [**Go**: _Build Your Own Redis from Scratch_](https://www.build-redis-from-scratch.dev/)
 * [**JavaScript**: _Dagoba: an in-memory graph database_](http://aosabook.org/en/500L/dagoba-an-in-memory-graph-database.html)
+* [**JavaScript**: _Build your own ORM_](https://learn.co/lessons/javascript-orm-intro)
 * [**Python**: _DBDB: Dog Bed Database_](http://aosabook.org/en/500L/dbdb-dog-bed-database.html)
+* [**Python**: _Build your own ORM_](https://www.youtube.com/watch?v=6rw0p9AOYb8)
 * [**Python**: _Write your own miniature Redis with Python_](http://charlesleifer.com/blog/building-a-simple-redis-server-with-python/)
 * [**Ruby**: _Build your own fast, persistent KV store in Ruby_](https://dineshgowda.com/posts/build-your-own-persistent-kv-store/)
 * [**Rust**: _Build your own Redis client and server_](https://tokio.rs/tokio/tutorial/setup)