Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We hereby consent to the use in the Annual Report of Integral Systems Inc. on Form 10-K of our report dated November 28, 2000, on our audits of the consolidated financial statements of Integral Systems, Inc. and its subsidiaries for the years ended September 30, 2000, 1999 and 1998. /s/ Rubino & McGeehin, Chartered ---------------------------------------- Rubino & McGeehin, Chartered Certified Public Accountants Bethesda, Maryland December 18, 2000 (20)