Amazon Redshift SQL Client, Online SQL Workbench Redshift - DBHawk
DBHawk is a web-based SQL Workbench for Amazon Redshift database. The main feature includes Amazon Redshift data management, visual Redshift query builder, ad-hoc reporting, Amazon S3 COPY command support, user management. Try demo today at their website.
https://www.datasparc.com/amazon-redshift/