Open Source Software
Apache Accumulo
Slic3r
With Slic3r, you can slice 3D objects and create G-code files ready for production 3D printing of physical object. It's a free and open-source 3D slicing software released under the AGPLv3 license. Slic3r is used by professionals and hobbyists alike and anyone is free to contribute to its source code. All development of the Slic3r software happens in their GitHub repository, and discussion around the software happens on the #slic3r IRC channel on FreeNode.
Sosumi Snap
With Sosumi Snap you can download and install macOS in a VM. Sosumi Snap supports Ubuntu, Fedora, Debian, and other major Linux distributions.
Bulk email service
Digitalaka provides the best bulk email server in India. Contact them for all email marketing related services.
Serverless UI
Serverless UI is a free, open source command-line utility for quickly building and deploying serverless applications on AWS.