Flynet Viewer Terminal Emulator is described as 'zero client, web based solution for accessing green screen applications on Mainframe, Unix, IBM i (AS400), VAX, VMS and may more' and is a terminal emulator in the os & utilities category. There are seven alternatives to Flynet Viewer Terminal Emulator, not only websites but also apps for Windows, Linux and Mac. The best alternative is z/Scope. It's not free, so if you're looking for a free alternative, you could try x3270. Other great sites and apps similar to Flynet Viewer Terminal Emulator are Attachmate Reflection, Microfocus Extra!, Vista tn3270 and Inventu Viewer+.
Flynet Viewer Terminal Emulator is mainly a Terminal Emulator but alternatives to it may also be SSH Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Flynet Viewer Terminal Emulator.
Vista tn3270 is a Windows program designed to emulate IBM 3270 terminals connected to a host via IP link. If you are looking for an emulator created with mainframe programmers in mind, then give this one a try.
Inventu Enables Powerful Host Access Starting With Pure Web Inventu Viewer+ Terminal Emulation Which Enables Our Open Web ScreenAPI for Rapid Publishing and Integration Using RestFul JSON For 3270, 5250 or VTxxx, ANSI, Wyse, ViewPoint and XTERM Screen-based Applications.