Exhibit 23.1 Consent of Independent Registered Public Accounting Firm GraphOn Corporation Santa Cruz, California We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-156229, 333-145284, 333-119402, 333-107336, 333-40174 and 333-88255) of GraphOn Corporation of our report dated March 31, 2009, relating to the consolidated financial statements, which appear in this Form 10-K. /s/ Macias Gini & O'Connell LLP - ------------------------------- Macias Gini & O'Connell LLP Sacramento, California March 31, 2009