koinobori.social is a (free) microblogging service but over the mail. It does not require an account but it requires you to leave a house to drop it in the mailbox.
Drop a postcard or letter in the mail to PO Box 1092, Locust Grove, Georgia, 30248-1092, USA and the text will appear here. Learn more about submission requirements.
No posts yet. This is expected as we launched on 23 January 2026