diff --git a/examples/README.md b/examples/README.md
index 7e6a09ea60..340ac0d47a 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -70,10 +70,17 @@ In addition, integration modules are available for the following libraries, prov
 
 * [Optimizing on Kubernetes](./distributed/kubernetes/README.md)
 
-### External libraries using Optuna
+### External projects using Optuna
 
-* [Analyzing optimization results using Neptune](https://neptune-contrib.readthedocs.io/user_guide/monitoring/optuna.html)
+* [RL Baselines Zoo](https://github.com/DLR-RM/rl-baselines3-zoo)
+* [Allegro Trains](https://github.com/allegroai/trains)
+* [neptune.ai](https://neptune.ai)
+* [PyKEEN](https://github.com/pykeen/pykeen)
+* [Mozilla Voice STT](https://github.com/mozilla/DeepSpeech)
 * [OptGBM: A scikit-learn compatible LightGBM estimator with Optuna](https://github.com/Y-oHr-N/OptGBM)
+* [Catalyst](https://github.com/catalyst-team/catalyst)
+
+PRs to add additional projects welcome!
 
 ### Running with Optuna's Docker images?
 You can use our docker images with the tag ending with `-dev` to run most of the examples.