NGINX Unit is a lightweight dynamic open-source server for diverse web applications; to install it, see here.

Built from scratch, Unit can run web apps in different language versions; fully configurable in runtime with zero interruption, it enables on-the-fly granular management for engineering and operations.

The latest version is 1.19.0, released on August 13, 2020. See the changelog here ; a GitHub-based roadmap outlines our further plans.

The sources are available under the Apache 2.0 license.