<commit_before>![cobra logo](https://cloud.githubusercontent.com/assets/173412/10886352/ad566232-814f-11e5-9cd0-aa101788c117.png)

Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files.

Many of the most widely used Go projects are built using Cobra including:

* [Kubernetes](http://kubernetes.io/)
* [Hugo](http://gohugo.io)
* [rkt](https://github.com/coreos/rkt)
* [etcd](https://github.com/coreos/etcd)
* [Docker (distribution)](https://github.com/docker/distribution)
* [OpenShift](https://www.openshift.com/)
* [Delve](https://github.com/derekparker/delve)
* [GopherJS](http://www.gopherjs.org/)
* [CockroachDB](http://www.cockroachlabs.com/)
* [Bleve](http://www.blevesearch.com/)
* [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
* [Parse (CLI)](https://parse.com/)
* [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack)<commit_msg>Add Swarm to Cobra user list<commit_after>![cobra logo](https://cloud.githubusercontent.com/assets/173412/10886352/ad566232-814f-11e5-9cd0-aa101788c117.png)

Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files.

Many of the most widely used Go projects are built using Cobra including:

* [Kubernetes](http://kubernetes.io/)
* [Hugo](http://gohugo.io)
* [rkt](https://github.com/coreos/rkt)
* [etcd](https://github.com/coreos/etcd)
* [Docker (distribution)](https://github.com/docker/distribution)
* [OpenShift](https://www.openshift.com/)
* [Delve](https://github.com/derekparker/delve)
* [GopherJS](http://www.gopherjs.org/)
* [CockroachDB](http://www.cockroachlabs.com/)
* [Bleve](http://www.blevesearch.com/)
* [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
* [Parse (CLI)](https://parse.com/)
* [GiantSwarm's swarm](https://github.com/giantswarm/cli)
* [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack)
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