Pegasystems Inc. is an American software company based in Cambridge, Massachusetts. Founded in 1983, Pegasystems develops software for customer relationship management (CRM), digital process automation, and business process management (BPM). The company has been publicly traded since 1996 as PEGA. The company's core product is the Pega Platform, which is part of its Pega Infinity suite of applications for customer engagement and digital process automation.

Pegasystems specializes in the following industries: financial services, insurance, life sciences, healthcare, government, manufacturing, high tech, communications and media, energy, and utilities. While core areas have traditionally included banking and financial sectors, more recent areas include manufacturing, life sciences and healthcare.