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

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 It replaces the withdrawn 3.7.4 release; the 3.7.4.1 Release Notes include changes in both versions.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.

GemStone/S 64 Bit 3.7.2 and GBJ 3.2 released

December 30th, 2024|

GemStone/S 64 Bit v3.7.2 is a significant release, providing new features and feature enhancements, and fixing a number of bugs. GemBuilder for Java (GBJ) v3.2 is a major release, with changes in how GBJ connects [...]

GemConnect 2.5 Released

September 17th, 2024|

GemConnect v2.5 is a significant release, including feature enhancements and fixing a number of bugs.