GridGain In-Memory Data Fabric is a distributed in-memory computing platform that enables organizations to quickly and easily build high-performance, highly available, resilient and distributed applications that can span multiple data centers, cloud services, and even hybrid environments. It provides an in-memory computing grid, distributed processing, and streaming analytics capabilities that enable applications to run faster and more reliably across multiple data centers and hybrid cloud environments. It also offers advanced features such as distributed data grid, distributed compute grid, distributed streaming, and real-time analytics. With GridGain In-Memory Data Fabric, organizations can build modern applications that are highly available, fault tolerant, and resilient to failure. It also offers the ability to scale applications on demand, allowing organizations to quickly and easily respond to changing market conditions and customer needs.
I have found the Hazelcast API to be the most intuitive and easy to understand of all the IMDG and NoSQL products. Also, there is simply no comparison when it comes to the quality of documentation and samples available.