Magento modules list
1. Fix for Category URL
2. Enhanced Admin grids
https://github.com/mage-eag/mage-enhanced-admin-grids
3. LESTI FPC
https://github.com/GordonLesti/Lesti_Fpc
4. APC CACHE CONTROL
https://github.com/buric/Inchoo_Apc
5. Free one page checkout
http://www.magentocommerce.com/magento-connect/single-page-checkout-by-ocodewire.html
6. yml export
http://mirasvit.com/magento-extensions/magento-yandex-market-export.html