Commercial 5252 Terminal Emulators

Mochasoft TN5250 Screen Emulator excellent. My preferred 52560 Emulator by a country mile. Mochasoft TN5250 is a rock-solid reliable 5250 emulator. It handles all the standard features you need for interacting with IBM i, like alternate screen sizes (switching between 24x80 and 27x132 modes seamlessly). This is huge when you're deep in programming sessions or troubleshooting system configs, because you can expand your view for those wide command lines or data displays without any glitches. Plus, it supports SSL/TLS up to version 1.2, so your connections to the IBM i box stay secure, which is non-negotiable in today's setups.

It's time to play with the Rational Developer for IBM i, integrated Screen Emulator

TurboSoft TTWIN 5250 Emulator is a commercial terminal emulator that lets you connect to IBM i (AS/400, iSeries, System i) systems using 5250, Telnet, and enhanced IBM i data streams. It’s designed for organizations that need a robust, multi‑session, Windows‑based emulator with advanced customization and automation features.