StatusNet is a very old open source Weibo program, and quite a few foreign Weibo websites are based on it. However, StatusNet does have many requirements for servers.
StatusNet's functions are relatively rich. In addition to all the necessary functions for Weibo, StatusNet supports self-selected backgrounds and self-selected shrinking services, and supports users to log in directly using OpenID or Facebook accounts. It also supports publishing posts and receiving updates through Jabber/GTalk. And it supports a large number of foreign telecom operators (more than 60), and you can also publish posts and receive updates via SMS.
StatusNet integrates Twiiter to achieve two-way synchronization between Twitter and StatusNet. You can also attach files when posting, and if you attach media files, they can be browsed online.