PBS Pro software optimizes job scheduling and workload management in high-performance computing environments – clusters, clouds, and supercomputers – improving system efficiency and people’s productivity. Built by HPC people for HPC people, PBS Pro is fast, scalable, secure, and resilient, and supports all modern infrastructure, middleware, and applications. In June 2016, PBS Pro was released under a dual-licensing model, and is now available both commercially licensed and under an OSI-approved open source license.