OPUS is a software system that processes incoming data in a pipeline through modular software elements. Unfortunately STScI is unable to support external uses of OPUS at this time.
SPIKE is multi-mission planning and scheduling system initially developed for the Hubble Space Telescope mission.
The Astronomer’s Proposal Tool (APT) is software designed for preparing proposals and astronomical observations via a graphical user interface.
STGMS is a suite of software available on a variety of systems for grant management.