It wasn't really. Otto was touted as a long-term successor to Vagrant, it never gained much traction and ended up being decommissioned a year later: https://www

It wasn't really. Otto was touted as a long-term successor to Vagrant, it never gained much traction and ended up being decommissioned a year later: https://www.hashicorp.com/blog/decommissioning-otto/ https://www.hashicorp.com/blog/decommissioning-otto/ Vagrant OTOH, is still being maintained.