EXHIBIT 23.1 ------------ INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement Nos. 33-65786, 333-39627, 333-34312, 333-57244, 333-84312 and 333-104011 of Datawatch Corporation on Form S-8 of our report dated December 23, 2003, appearing in the Annual Report on Form 10-K of Datawatch Corporation for the year ended September 30, 2003. /s/ Deloitte & Touche LLP - ------------------------- Boston, Massachusetts December 23, 2003