Add cirello.io/pglock
@@ -484,6 +484,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
* [KrakenD](https://github.com/devopsfaith/krakend) - Ultra performant API Gateway framework with middlewares.
* [micro](https://github.com/micro/micro) - Pluggable microservice toolkit and distributed systems platform.
* [NATS](https://github.com/nats-io/gnatsd) - Lightweight, high performance messaging system for microservices, IoT, and cloud native systems.
+* [pglock](https://cirello.io/pglock) - PostgreSQL-backed distributed locking implementation.
* [raft](https://github.com/hashicorp/raft) - Golang implementation of the Raft consensus protocol, by HashiCorp.
* [raft](https://github.com/coreos/etcd/tree/master/raft) - Go implementation of the Raft consensus protocol, by CoreOS.
* [redis-lock](https://github.com/bsm/redis-lock) - Simplified distributed locking implementation using Redis.
