InterSession Session Manager

Replace Your Current Session Manager With InterSession And Save

Named the Top Session Manager Replacement by Grok AI. [ > ]

GROK AI (9/6/2025)

Prompt: "What mainframe session manager software would you recommend to replace CA-TPX and other third-party session mangers?”

Recommendation: “Based on current market options for mainframe session management software (primarily for z/OS environments), I recommend InterSession from Data 21 as the top replacement for CA-TPX and similar third-party tools like CA-Solve, CA-Teleview, or CL-Supersession [,and others]. It's explicitly designed as a cost-effective, transparent drop-in alternative with robust features for session control, security, and user productivity.”

Session Manager Obsolescence

Facing vendor end-of-life or dropped support? Transition smoothly with our fully supported, drop-in replacement—cost-effective and future-ready.

Session Manager Cost Reduction

Switch and save! Replace your expensive session manager with InterSession. Show proof of purchase from a competing product and get the license fee waived—just cover a low annual subscription.

InterSession does the adapting, so your end-users don't have to.

InterSession Session Manager seamlessly replicates the look of login screens, selection menu’s, and command interactions of the session managers it replaces—ensuring a familiar experience for users and minimizing retraining or workflow disruption.

Emulation Screen Shots

NVAS (NETVIEW ACCESS SERVICES)

NVAS Conversion Guide Request
CA Teleview Conversion Guide Request
CA-TPX Conversion Guide Request

NETWORK DIRECTOR

Network Director Conversion Guide Request

CL-SUPERSESSION

SuperSession Conversion Guide Request

CA SOLVE ACCESS

Solve Access MAI Conversion Guide Request

CA SOLVE ACCESS EASINET

Solve Access Easinet Conversion Guide Request
Automated conversion tools and hands-on conversion assistance.

Switch to InterSession with minimal effort using automated migration tools and expert developer assistance, ensuring a fast, seamless transition from CA-TPX or other session managers.

Resources

Actively Developed Solution

Most 3270 Session Managers are frozen in time. InterSession isn’t.

Backed by a dedicated development team, it evolves continuously to meet your changing needs—resolving issues quickly and keeping pace with modern requirements.

InterSession Session Manager

Features Overview

  • Single Sign-On (SSO) - Provides streamlined access to all authorized VTAM applications without repeated logins.
  • Enhanced Authentication Security - Supports PassTickets, long PassPhrases, and integration with Multi-Factor Authentication (MFA).
  • Robust and flexible security with support for RACF, CA-TopSecret, CA-ACF/2
  • Automated logon to applications
  • Built-in Web Server allowing access to 3270 applications via popular web browsers - No Middleware or plugin's
  • Outbound TN3270 Sessions
  • IBM z/OS Parallel Sysplex Support
  • Enterprise-Grade Scalability - Designed to seamlessly support thousands of concurrent users with minimal latency, ensuring reliable performance in large-scale environments.
  • Customizable Look-and-Feel to Replace Competitive Session Managers
    • Seamless Branding Replacement - Fully customizable login screens and session UIs to match enterprise branding or replicate the experience of competing tools.
    • Command Interaction Parity - Mirror the interaction patterns and shortcuts of leading session managers, minimizing retraining for users.
    • Scripting - Logon/Logoff scripting, CA-TPX ACL support.
    • Automated Conversion Tools
    • Expert Conversion Assistance
  • Easy administration with on-line & batch maintenance routines
  • Unique CICS features increases security and simplifies maintenance
  • Built-in Message/Mailbox System
  • CUA-based Top Line Menu
  • Screen hardcopies to any printer
  • Support for TN3270 printers
  • Ability to share sessions with other users
  • Automatic data compression
  • Statistics and accounting information
  • Multi-lingual possibilities for all screen text, support for non-latin SBCS (Russian, Arabic...)
Enterprising Software

About Data 21


Data 21 Inc. is a privately held veteran owned California Corporation. Since inception in 1980, our mission has been, and continues to be, delivering innovative, high quality, cost effective mainframe centric software solutions that empower Business' and enrich End-Users in the workplace. We pride ourselves on excellent product and customer support satisfaction ratings, and the fact that our products have become trusted integral daily production necessities at hundreds of mainframe installations around the world.

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