Download Tcl

The trusted Tcl distribution for Windows, Linux and Mac, pre-bundled with top Tcl/Tk modules.

Get ActiveTcl for Free

ActiveTcl includes a version of Tcl and hundreds of popular packages, pre-compiled and ready to use. Individual users can get started for free. Organizations should check out our plans and pricing page.

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why download from activestate

Why Download Tcl From The ActiveState Platform?

By signing up for a free ActiveState Platform account, you can configure your own Tcl runtime environment that contains a version of Tcl and only the modules your project requires. Downloading ActiveState Tcl from the ActiveState Platform, provides you with:

  • Advanced dependency management 
  • Automated builds from source code
  • Simplified vulnerability remediation. 

The ActiveState Platform is a universal package management solution for Python, Perl, and Tcl, delivering a distributed, cloud-based parallel build system so that even complex development environments can be automatically built and packaged for your OS in record time—straight from source code—giving you all the security assurances and flexibility that comes with it.

Try the ActiveState Platform - It's free!

97% of Fortune 1000 Companies Rely On ActiveState

ActiveState’s enterprise offering includes managed builds, premium support, OEM licensing, redistributable installers, and indemnification.

Reduce Security Risks
Ensure security with timely updates to languages and packages for critical issues, allowing you to quickly remediate vulnerabilities and automatically rebuild a secure runtime for your application.

Indemnification and License Compliance
Comply with your organization’s open source policies against GPL and GNU licensing, and reduce risk with legal indemnification.

Commercial Support & Maintenance
Keep your IP out of public forums and get faster, more reliable help with guaranteed response times and Service-Level Agreements.

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Secure the Software Supply Chain
Ensure the integrity and security of the open source components you import, build and work with in your organization.

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Avoid Lock-In with Open Source Languages
100% compatible with open source Python, Tcl and Perl so you can recruit skilled staff, ramp up faster and avoid vendor lock-in.

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Accelerate Time to Market
Spend less time managing environments and remediating vulnerabilities, and more time coding so you can get to market sooner. 

Tcl becomes less secure and more costly to maintain over time. See how ActiveState can help.

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