diff --git a/research/computing/services.md b/research/computing/services.md
index 1a2e66f59b966887585c52632d5a4298324cf17c..11aafd5db022f507c282cca1fa4363d9d08329ec 100644
--- a/research/computing/services.md
+++ b/research/computing/services.md
@@ -324,6 +324,7 @@ Dynamic:
 * [Coppermine](http://coppermine-gallery.net).
 * [Zenphoto](http://www.zenphoto.org).
 * [Plogger](http://www.plogger.org).
+* [thumbor](https://www.thumbor.org/): open-source smart on-demand image cropping, resizing and filters.
 
 Static: