We are pleased to announce that Tizen 2.1 Beta source code and SDK are now available.
As a minor release, Tizen 2.1 Beta contains several new features and performance enhancements.

Please visit the release notes and the API change notes.

Downloading SDK Install Manager
  http://download.tizen.org/sdk/InstallManager/tizen-sdk-2.1b/

Downloading SDK Image
  http://download.tizen.org/sdk/sdk-images/2.1b/

Getting source code
  http://review.tizen.org/git/  (Tizen 2.1 beta source codes are under tizen_2.1 branch.)

Getting binaries and images
  https://download.tizen.org/releases/2.1b/tizen-2.1_wifi_20130505.1/images/

How to flash to a device
  https://wiki.tizen.org/wiki/Flash_Tizen_2.1_Image_to_Reference_Device

We look forward to getting feedback and making additional enhancements to Tizen.

Tizen Technical Steering Group