diff --git a/README.md b/README.md
index 63b5947..1adc20a 100644
--- a/README.md
+++ b/README.md
@@ -348,6 +348,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 * [Lighttpd](http://www.lighttpd.net/) -  Web server more optimized for speed-critical environments.
 * [Nginx](http://nginx.org/) -  Reverse proxy, load balancer, HTTP cache, and web server.
 * [uWSGI](https://github.com/unbit/uwsgi/) - The uWSGI project aims at developing a full stack for building hosting services.
+* [Varnish](https://www.varnish-cache.org/) - Very popular HTTP cache server.
 
 ## Wikis
 *Wiki software.*