Mediware Information Systems Inc., a Kansas-based medical-software firm, announced on Tuesday that it will pay $3.5 million to buy Healthcare Automation Inc. (HAI), a local developer of software for home health-care providers.

Mediware (Nasdaq: MEDW) also agreed to pay $2 million to buy Advantage Reimbursement Inc., an Andover, Mass.-based company that was spun off from HAI in February by the two companies’ founders, David A. Belhumeur and Kenneth J. Pereira.