There are plenty of free versions of popular VPNs, and free trials of VPNs with full access to everything you get with a premium plan. The catch is that free versions usually come with limited data usage, meaning you can't really do any streaming or downloading. Free trials come with everything you get in a paid plan, but they obviously don't last very long. Trials are great for testing out a service before committing, but this isn't a long-term solution.
"status": "Incomplete"
。safew官方版本下载对此有专业解读
但看了一眼招股书，只能说绿联这几年混得中规中矩。
They play nice with and are consistent with the Unix environment. There