Give Qifei VPN for China a Try for Free!

Name: Qifei VPN for China
Rating: 4.8 (16670 reviews)

You can earn a free tier by checking in daily within the app.

科学上网名：Slack

Slack 集聊天群组、大规模工具集成、文件整合和统一搜索于一体，允许用户将电子邮件、短信、Google Drive、Twitter、Trello、Asana、GitHub 等 65 种工具和服务整合到同一平台上。