Zevenet is a load balancer and application delivery system based on Debian. The Zevenet platform provides HTTP and HTTPS connections for web applications as well as load balancing services for TCP and UDP traffic. Zevenet is available in community and commercially supported editions.

Admin Doc:
https://www.zevenet.com/knowledge-base_category/community-edition-v5-9-administration-guide/

API Doc:
https://www.zevenet.com/knowledge-base/apidocs/zapi-v4-0-ce-documentation/