Exhibit 15.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference of our report dated February 15, 2007 included in Form 20-F of ClickSoftware Technologies Ltd. for the year ended December 31, 2006 into Registration Statement Numbers 333-42000, 333-115003, 333-135435 and 333-141307 on Form S-8 of ClickSoftware Technologies Ltd. /s/ Brightman Almagor & Co. Brightman Almagor & Co. Certified Public Accountants A Member Firm of Deloitte Touche Tohmatsu Tel Aviv, Israel April 1, 2007