Yes, the test net for open source dex is still available. It is open for public testing from November 29, 2022, to January 30, 2023. You can receive up to 150 KLAY tokens per day as part of the testing. This is a great opportunity to test out the open source dex and get familiar with the platform before it is released to the public.
Yes, it is open for public testing from November 29, 2022, to January 30, 2023. You may refer to this link here.
📝 https://klaytn.foundation/klaytn-soramitsu-dex/