Exhibit 21.1

List of Subsidiaries



|                                              |  |                                              
|--------------------------------------------- |  | ---------------------------------------------
|Name                                          |  | Jurisdiction of
Organization
(Date Organized)
|                                              | 
|Magma Design Automation, Inc.                 |  | DE
(04/01/1997)                              
|                                              | 
|Magma Services, Inc.                          |  | DE
(05/17/2004)                              
|                                              | 
|Ramble Acquisition LLC*                       |  | DE
(09/05/2007)                              
|                                              | 
|Sabio Labs LLC*                               |  | CA
(12/20/2007)                              
|                                              | 
|Aplus Design Technologies, Inc.*              |  | CA
(06/03/2003)                              
|                                              | 
|Silicon Correlation, Inc.**                   |  | DE
(10/14/2003)                              
|                                              | 
|Beijing Magma Design Automation Co., Ltd.     |  | China
(12/12/2003                            
|                                              | 
|Magma Korea, Inc.                             |  | South Korea
(10/06/2000)                     
|                                              | 
|Magma Design Automation B.V.                  |  | The Netherlands
(4/11/2000)                  
|                                              | 
|Magma Design Automation Cayman Ltd.           |  | Cayman Islands
(03/23/2005)                  
|                                              | 
|Magma Design Automation Corp. (Canada)        |  | Canada
(04/24/2001)                          
|                                              | 
|Magma Design Automation GmbH                  |  | Germany
(08/29/99)                           
|                                              | 
|Magma Design Automation India Private Limited |  | India
(03/21/2003)                           
|                                              | 
|Magma Design Automation Ltd. [U.K.]           |  | United Kingdom
(05/12/1999)                  
|                                              | 
|Magma Design Automation Ltd. [Israel]         |  | Israel
(08/24/1999)                          



---

|                                            |  |                         
|------------------------------------------- |  | ------------------------
|Magma Design Automation SARL                |  | France
(04/17/2004)     
|                                            | 
|Magma Design Automation Inc. Taiwan Limited |  | Taiwan
(02/19/2003)     
|                                            | 
|Magma Design Automation, K.K.               |  | Japan
(07/22/1999)      
|                                            | 
|MDA Netherlands C.V.                        |  | The Netherlands
10/24/05



|* | Dissolution proceedings will be initiated.
|- | ------------------------------------------

|** | Dissolution proceedings have been initiated.
|-- | --------------------------------------------