The Txl Programming Language

 Source Transformation by Example


Welcome to the Txl Project web site. Here you will find everything about Txl - software, documentation, examples, support and more. Everything you need to take advantage of the best in source transformation systems!

About Txl
What is Txl? What's it good for? What input languages can it handle? Who uses it?

Learn Txl
Introductory materials for learning Txl. The Txl Challenge. How should I begin learning Txl ?

Reference manuals, user guides and learning materials for Txl. Publications about Txl and its applications.

Download FreeTxl, a free and freely distributable Txl compiler / interpreter.  ***NEW*** Current version FreeTxl 10.8b (July 2022)

Txl World! The Txl grammar collection. Example applicatons. Useful rule sets and modules. Editor plugins for Txl.

Having trouble with Txl, NiCad, or Turing+? Ask a question, report a bug or difficulty in the Txl Forum.

NiCad Clone Detector
Download NiCad, a scalable, flexible code clone detection system based on Txl.  Current version NiCad 6.2 (Nov 2020)

Turing+ Compiler
Download Turing+, the systems programming language that Txl, NiCad, Grok, and many other software tools are written in.  Current version Turing+ 6.2 (Sept 2022)

Txl has grown with the support of NSERC, OCE, Esprit, CSER, IBM Research and the IBM Center for Advanced Studies, and is presently supported by NSERC.

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