diff --git a/projects_using_cobra.md b/projects_using_cobra.md
index ced51f6..de45033 100644
--- a/projects_using_cobra.md
+++ b/projects_using_cobra.md
@@ -4,6 +4,7 @@
 - [CockroachDB](http://www.cockroachlabs.com/)
 - [Delve](https://github.com/derekparker/delve)
 - [Docker (distribution)](https://github.com/docker/distribution)
+- [Etcd](https://etcd.io/)
 - [Gardener](https://github.com/gardener/gardenctl)
 - [Giant Swarm's gsctl](https://github.com/giantswarm/gsctl)
 - [Github CLI](https://github.com/cli/cli)
@@ -22,6 +23,4 @@
 - [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
 - [Prototool](https://github.com/uber/prototool)
 - [Rclone](https://rclone.org/)
-- [etcd](https://github.com/coreos/etcd)
-- [nehm](https://github.com/bogem/nehm)
-- [rkt](https://github.com/coreos/rkt)
+- [Skaffold](https://skaffold.dev/)