* [Metabase](http://www.metabase.com/) - Simple Dashboarding and GUI Query tool, Nightly Emails and Slack Integration w/ PostgreSQL, MySQL, Redshift and other DBs. ([Source Code](https://github.com/metabase/metabase)) `AGPLv3``Clojure`
* [Redash](http://redash.io) - connect to over 18 types of databases (SQL and "NoSQL"), query your data, visualize it and create dashboards. Everything has a URL that can be shared. Slack and HipChat integration. ([Demo](https://demo.redash.io), [Source Code](https://github.com/getredash/redash)) `BSD``Python`
* [Superset](http://superset.apache.org/) - Modern, enterprise-ready business intelligence web application. ([Source code](https://github.com/apache/incubator-superset)) `Apache``Python`