EXHIBIT 21.1
SUBSIDIARIES
| Subsidiary |
State of Incorporation | |||
| 1 | Ardence, Inc. | Massachusetts | ||
| 2 | Ardence Delaware, Inc. | Delaware | ||
| 3 | Ardence Europe S.A.R.L. | France | ||
| 4 | Citrix Application Networking, LLC | Delaware | ||
| 5 | Citrix Cayman Investments, Ltd. | Cayman Islands | ||
| 6 | Citrix Development Corp. | Delaware | ||
| 7 | Citrix Gateways, Inc. | Delaware | ||
| 8 | Citrix Offshore Investments, Ltd. * | Cayman Islands | ||
| 9 | Citrix Online LLC | Delaware | ||
| 10 | Citrix Sistemas de Argentina, S.R.L. | Argentina | ||
| 11 | Citrix Sistemas de Chile Limitada | Chile | ||
| 12 | Citrix Sistemas de Mexico S. de RL de CV | Mexico | ||
| 13 | Citrix Sistemas do Brasil Ltda. | Brazil | ||
| 14 | Citrix Systems (Research & Development) Ltd. | United Kingdom | ||
| 15 | Citrix Systems Asia Pacific Pty Ltd.* | Australia | ||
| 16 | Citrix Systems Australasia R&D Pty, Ltd. | Australia | ||
| 17 | Citrix Systems Belgium S.A.R.L.* | Belgium | ||
| 18 | Citrix Systems Canada, Inc. | Ontario | ||
| 19 | Citrix Capital & Finance S.A.R.L. | Luxembourg | ||
| 20 | Citrix Systems Denmark ApS* | Denmark | ||
| 21 | Citrix Systems Finland Oy* | Finland | ||
| 22 | Citrix Systems France SARL* | France | ||
| 23 | Citrix Systems GmbH* | Austria | ||
| 24 | Citrix Systems GmbH* | Germany | ||
| 25 | Citrix Systems Holding LLC | Delaware | ||
| 26 | Citrix Systems Hong Kong Limited* | Hong Kong | ||
| 27 | Citrix Systems India Private Limited* | India | ||
| 28 | Citrix Systems International GmbH | Switzerland | ||
| 29 | Citrix Systems Ireland Ltd* | Ireland | ||
| 30 | Citrix Systems Italia S.r.L.* | Italy | ||
| 31 | Citrix Systems Japan Kabushiki Kaisha* | Japan | ||
| 32 | Citrix Systems Netherlands, B.V.* | Netherlands | ||
| 33 | Citrix Systems Norway AS.* | Norway | ||
| 34 | Citrix Systems Overseas Holding GmbH | Switzerland | ||
| 35 | Citrix Systems Poland Sp. Zo.o* | Poland | ||
| 36 | Citrix Systems RoW | Switzerland | ||
| 37 | Citrix Systems Singapore Pte Ltd.* | Singapore | ||
| 38 | Citrix Systems South Africa (Pty) Ltd.* | South Africa | ||
| 39 | Citrix Systems Spain, SL* | Spain | ||
| 40 | Citrix Systems Sweden AB* | Sweden | ||
| 41 | Citrix Systems Switzerland GmbH | Switzerland | ||
| 42 | Citrix Systems UK Limited* | United Kingdom | ||
| 43 | Citrix Overseas Holdings B.V. | Netherlands | ||
| 44 | Peninsula Investment Corp. | Delaware | ||
| 45 | Teros, Inc. | Delaware | ||
| 46 | Netscaler UK Ltd** | United Kingdom | ||
| 47 | Netscaler Japan Kabushiki Kaisha** | Japan | ||
| 48 | Citrix R&D India Pvt. Ltd.** | India | ||
| 49 | Citrix Systems R&D OOO | Russia | ||
| 50 | Orbital Data Corporation | Delaware | ||
| 51 | Reflectent Software, Inc. | Delaware | ||
| 52 | Redwood Software Europe Limited | Ireland | ||
| 53 | Citrix Holanda B.V. | Netherlands | ||
| 54 | Citrix Systems Korea Limited | Korea | ||
| 55 | Jibe Networks, Inc. | California | ||
| 56 | Quicktree, Inc. | California | ||
| 57 | ThinGenius Limited | Scotland | ||
| 58 | XenSource, Inc. | Delaware | ||
| 59 | XenSource UK Limited | United Kingdom |
| 60 | Citrix Online UK Limited | United Kingdom |
| * | Wholly-owned subsidiaries of Citrix Systems International GmbH |
| ** | Wholly-owned subsidiaries of Citrix Application Networking LLC |