A serverless solution for cost-effective data archiving and restoration using AWS services. This solution helps enterprises manage large volumes of S3 data files through automated archiving to Glacier Deep Archive and on-demand restoration, refer blog post- https://aws.amazon.com/blogs/storage/automated-cost-effective-archiving-and-on-demand-data-

A multi-account S3 cost analysis tool that scans all buckets across an AWS Organization , delivering actionable cost optimization recommendations along with estimated monthly savings.