Question: When there are so many continuous delivery tools available,Why Spinnaker ?

Answer: Continuous delivery needs to be deploy correctly and safely EVERYTIME. While its possible to handle it using custom scripts, it soon becomes a "project" on its own. Spinnaker is battle-tested and well-maintained tool (with approximately 460 merged pull requests in the last month) that has many existing integrations to popular services while also supporting custom integrations for increased flexibility. While such a high level of community support and backing from Netflix and Google among others, Spinnaker is considered tool of choice if you have multiple pipelines and