Upswift provides a ready-to-use solution to Access Raspberry Pi Desktop or Shell outside the network. Upswift platform has been built especially for Raspberry Pi devices, or any edge Linux-based device.
A lot of today's products based on embedded systems that run on Raspberry Pi, runs on different networks, far from human hands, with no static local IP or Public IP. Using Upswift device management platform, you can completely manage, update, and access Raspberry Pi devices all over the world easily.
Here are 2 tools Upswift provides to remotely access Raspberry Pis outside the network:
More information can be found at Upswift.io