**Exhibit      12.1**

|   | 1.     | I                have reviewed this annual report on Form 20-F of Jacada Ltd. (the                “registrant”);                                                                                                                                                                                                                                                                                       |
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|   | 2.     | Based                on my knowledge, this annual report does not contain any untrue statement                of a material fact or omit to state a material fact necessary to                make the                statements made, in light of the circumstances under which such statements                were made, not misleading with respect to the period covered by this                annual report; |
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|   | 3.     | Based                on my knowledge, the financial statements, and other financial information                included in this annual report, fairly present in all material respects                the financial condition, results of operations and cash flows of                the                registrant as of, and for, the periods presented in this annual                report;                    |
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|   | 4.     | The                registrant’s other certifying officers and I are responsible for                establishing and maintaining disclosure controls and procedures (as                defined in Exchange Act Rules 13a-15(e) 15d-15(e)) for the registrant                and                have:                                                                                                          |

|   |   | a.     | designed                such disclosure controls and procedures, or caused such disclosure                controls and procedures to be designed under our supervision, to                ensure                that material information relating to the registrant, including its                consolidated subsidiaries, is made known to us by others within those                entities, particularly during the period in which this annual report                is                being prepared; |
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|   |   | b.     | evaluated                the effectiveness of the registrant’s disclosure controls and                procedures and                presented in this annual report our conclusions about the effectiveness                of                the disclosure controls and procedures, as of the end of the period                covered by this report based on such evaluation; and                                                                                                               |
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|   |   | c.     | disclosed                in this annual                report any change in the registrant’s                internal control over financial reporting that occurred during the                period                covered by the annual report that has materially affected, or is                reasonably likely to materially affect, the company’s internal control                over financial reporting.                                                                               |

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|   | 5. | The                registrant’s other certifying officers and I have disclosed, based on our                most recent evaluation of internal control over financial                reporting, to the registrant’s auditors and the audit committee of the                registrant’s board of directors (or persons performing the equivalent                functions): |
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|   |   | a. | all                significant deficiencies                and material weaknesses in the design or operation of internal control                over financial reporting which are reasonably likely to adversely                affect                the registrant’s ability to record, process, summarize and report                financial information; and |
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|   |   | b. | any                fraud, whether or not material, that involves management or other                employees who have a significant role in the registrant’s internal control                over financial reporting.                                                                                                                                             |

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| Date: June              27, 2006 |                              | /s/ Gideon              Hollander |
|                                  | Gideon              Hollander          |
|                                  | Chief                Executive Officer |