Sider is an automated code review tool with GitHub. It's based on static code analysis and integrates with a number of open source static analysis tools. It checks style violations, code quality, security and dependencies and provides results as a comment on GitHub pull request.
Sider was developed by Tokyo-based startup Actcat and launched in April 2014. It released technical debt kanban feature for Ruby in August 2016.
Sider changed service and company names from SideCI to Sider in June 2018.
Sider's business was transferred from Sider Inc. to Sleeek Corporation on October 31, 2019.