Envoyer vs Istio: What are the differences?
What is Envoyer? A brand new way to deploy PHP and Laravel applications with zero downtime. Envoyer deploys your PHP applications with zero downtime. Just push your code, and let Envoyer deliver your application to one or many servers without interrupting a single customer. In this series, we'll discuss each feature of Envoyer, demonstrating how to use them with a sample project.
What is Istio? Open platform to connect, manage, and secure microservices, by Google, IBM, and Lyft. Istio is an open platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio's control plane provides an abstraction layer over the underlying cluster management platform, such as Kubernetes, Mesos, etc.
Envoyer belongs to "Platform as a Service" category of the tech stack, while Istio can be primarily classified under "Microservices Tools".
Istio is an open source tool with 18.5K GitHub stars and 3.1K GitHub forks. Here's a link to Istio's open source repository on GitHub.