Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.

Hitch is a libev-based high performance SSL/TLS proxy by Varnish Software.

TreeSize tells you where precious disk space has gone to.

A platform for building proxies to bypass network restrictions.

The Web framework for perfectionists with deadlines

Lightweight and non-intrusive firewall

A lightweight http(s) proxy daemon

Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.

The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.

paid Free Trial $7.0 / Monthly (Above 10 Users)

Scalable datastore for metrics, events, and real-time analytics.

Træfik is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease. It supports several backends (Docker, Swarm, Mesos/Marathon, Consul, Etcd, Zookeeper, etc.) to manage its configuration automatically and dynamically.

CacheGuard is an enterprise grade Web Gateway solution offering Web Security & Optimization in the same box. Price starting at $99 per Year!