Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
Wine - Open Source Software for running Windows applications on other operating systems.
Hazelcast - Clustering and highly scalable data distribution platform for Java
CodeWeavers CrossOver - Don't buy a Windows license, don't reboot and don't use a Virtual Machine. Try a free trial of CrossOver to run your Windows software on Mac, Linux and Chrome OS.
memcached - High-performance, distributed memory object caching system
PlayOnLinux - PlayOnLinux will allow you to play your favorite games on Linux easily