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You can use the form or the email addresses shown here to contact us. All information requests are processed within 1 business day.
Please drop us a line. We’d love to hear from you!
All languages are beautiful! But, please use English or Korean when contacting us. Sadly, we currently can only understand and respond to messages in those languages.
Product inquires
or technical support
or technical support
General comments,
questions or order status
questions or order status

We live in Sunnyvale. But, it’s not always sunny in Sunnyvale. :-(
Life isn’t easy. But, we hope our apps make your day, a brighter day! ^^)
Life isn’t easy. But, we hope our apps make your day, a brighter day! ^^)
– Choung Park, Lead Developer
Latest News
Token2Shell now supports higher bit MODP groups and hash algorithms for SSH key exchange methodsSeptember 13, 2020
X410.dev is now live! See how you can seamlessly use Linux GUI apps in Windows 10 with X410!March 5, 2020
X410 gets more options for better user experience in Linux GUI apps and desktopsNovember 21, 2019
Pull your Linux GUI apps out of Hyper-V consoles! Run them like Windows apps with X410 over VSOCK!November 11, 2019
Token2Shell becomes more keyboard friendly in version 17.0.0October 28, 2019