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                                                                      EXHIBIT 23

               Consent of Ernst & Young LLP, Independent Auditors

We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 33-34809) pertaining to the Tyler Corporation Stock Option Plan of our
report dated March 9, 2001, with respect to the consolidated financial
statements and schedule of Tyler Technologies, Inc. and subsidiaries included in
the Annual Report (Form 10-K) for the year ended December 31, 2000.



                                                               ERNST & YOUNG LLP

Dallas, Texas
March 16, 2001