IMTerm

Modern Terminal Emulator for AS/400, z/OS, and VT Systems

Zero Install. Full Hebrew. AI-Powered. The PowerTerm Replacement.

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IMTerm split view — AS/400 terminal alongside a modern HTML form with bidirectional sync

Terminal view alongside modern HTML form — edits sync bidirectionally

Why IMTerm?

TN5250E

AS/400 / IBM i
Pure Go client, no C dependencies

TN3270E

z/OS Mainframe
Full extended attributes and color

VT52 - VT525

Linux / Unix / OpenVMS
SSH + Telnet, full VT family

IMTerm AS/400 Sign-On screen with multi-color rendering, PF toolbar, and OIA status bar

AS/400 Sign-On with multi-color rendering and PF toolbar

IMTerm Work with Active Jobs showing color-coded subfile data

Work with Active Jobs — subfile data with color-coded status

Key Features

🌐

Zero-Install Browser Access

Pure HTML5 + WebSocket. No Java, no ActiveX, no plugins. Works in Chrome, Firefox, Edge, Safari, and mobile browsers.

🤖

Agent Mode (AI) UNIQUE

Natural language terminal automation with Claude, GPT, Gemini, or Ollama (local/offline). No other emulator has this.

🇮🇱

Hebrew / BiDi First-Class

bidi-js pipeline, RTL fields, CCSID selection (CP424/CP803), screen reverse, Hebrew PF keys. Designed in from day one.

🔒

Enterprise Security

RBAC (Admin/User/View-Only), full audit log (96 IMTE IDs), TLS 1.2+, session sharing with view-only links.

📝

JavaScript Scripting

CodeMirror editor, session API, AI bridge. Write scripts, save AI actions, automate workflows. One platform.

📦

One Binary, Two Modes

Server mode (deploy once, users open browser) OR local desktop mode. Same binary, same features, zero dependencies.

🪟

Screen-to-HTML

Any green screen instantly rendered as a modern web form. Custom templates. REST API. Zero host changes.

What's New in v1.3

Screen-to-HTML

Green screens rendered as modern web forms with split-view panel. ScreenAnalyzer, custom templates, and REST API included.

SSO Authentication

LDAP, OIDC (Okta / Azure AD / Google), and SAML 2.0 (ADFS / PingFederate) — enterprise identity integration out of the box.

HLLAPI REST API + Custom Templates

HTTP endpoints for programmatic screen access. Custom HTML templates with title-pattern matching and built-in Customer Maintenance layout.

IMTerm Customer Maintenance screen with transaction history table

Customer Maintenance with transaction history

See full changelog →

Downloads

Linux, Windows, RPM, container

📚

Documentation

Admin guide, user guide, API reference

💬

Support

Get help, report issues

Licensing

IMTerm is available for enterprise deployment. Contact our sales team for licensing options.

Contact Sales

60-day evaluation available upon request.