ActiveTcl® is ActiveState's commercially supported, quality-assured Tcl distribution. We've bundled some of the best packages, tools, and documentation to easily adopt this language in your projects.

Using ActiveTcl at work?
Use ActiveTcl Business or Enterprise Editions for production servers, and get access to technical support, maintenance, and indemnification. Safeguard your applications with guaranteed, quality-assured ActiveTcl binaries and mitigate risk with world-class support for your critical Tcl systems.