scalable… grows as your business expands

robust… to handle 24×7 mission critical applications

flexible… to keep up with your changing requirements

powerful… using Smalltalk, a highly productive development environment

proven… in production use for decades by Fortune 500 companies

GemStone/S™ is an advanced platform for developing, deploying, and managing scalable, high-performance, multi-tier applications based on business objects. GemStone/S provides the unmatched flexibility and power demanded by business-critical applications.

Building high-performance applications is more than acquiring software.

To make the best use of GemStone products, GemTalk Systems provides world-class technical support, consulting, training, and staff augmentation. Our Engineering Team works together to provide these services, focusing on providing the very highest quality of integrated products and technical services for our customers.

What’s New

VSD 5.6.3 released

August 21st, 2025|

Visual Statistics Display (VSD) v5.6.3 is a new version of the VSD product containing several bug fixes and a minor new feature. See VSD v5.6.3 for more information.

GemStone/S 64 Bit 3.7.4.3 released

July 22nd, 2025|

GemStone/S 64 Bit v3.7.4.3 is an important maintenance release, fixing several critical bugs in 3.7.4.1. For more information, see GemStone/S 64 Bit v3.7.4.3.

GemStone/S 64 Bit 3.7.4.1 and GemConnect 2.5.2 released

May 29th, 2025|

GemStone/S 64 Bit v3.7.4.1 is an important maintenance release, fixing a number of significant bugs in 3.7.4. It replaces the withdrawn 3.7.4 release; the 3.7.4.1 Release Notes include changes in both versions. GemConnect 2.5.2 is [...]

GemConnect 2.5.1 Released

May 13th, 2025|

GemConnect v2.5.1 is a maintenance release, fixing a significant bug and including distribution changes.