We've been tracking these threads lately and there are so many interesting companies in the space like those mentioned above. I'm the cofounder of a new company called Coherence, that we think creates a new direction and offers a better platform for the next leap forward. Unlike the modern PaaS solutions we're closing the loop from dev to prod offering cloud IDE's, dev environments, branch previews, and deployments — all in one integrated dashboard. Check us out at withcoherence.com