Also the biggest contributors to KVM support in the Linux kernel, which is directly driving most of the container craze. Also HBase, Hadoop, Guava, GWT, Closur

Also the biggest contributors to KVM support in the Linux kernel, which is directly driving most of the container craze. Also HBase, Hadoop, Guava, GWT, Closure. Tons of others we probably don't know of. I would guess Google has around 500 notable open source projects where they're either major contributors or authors.