Cloud Foundry. The major contributors are Pivotal and IBM. Pivotal is on track for $100 million in revenue this year, the fastest growing revenue for any open

Cloud Foundry. The major contributors are Pivotal and IBM. Pivotal is on track for $100 million in revenue this year, the fastest growing revenue for any open source product in history. Ever. In any category. Disclaimer: I work in Pivotal Labs, another division in Pivotal.