Cetera is the creator and maintainer of the free open source content management system Fastsite. This software product helps to start your internet sales in 5 minutes. Cetera CMS avaiable under the MIT-license. Product may be downloaded from GitHub. Also you can create webshop in the cloud for free.
Development and production servers in US and European data-centers.
Atlassian Jira and GitLab as primary development tools.
Google Mail, Google Hangouts and Skype for communications.