Welcome to the home of The SemWare® Editor, a.k.a. TSE

The SemWare® Editor is now freeware.

Download the latest versions:

TSE for Windows (4.50.19 Dec 2025) New!
TSE for Linux (4.50.19 Dec 2025) New!
Cool places:
- Carlo’s TSE page
- Knud van Eeden‘s TSE Knowledge base
- SAL examples at Rosetta Code (Please add more!)
- Wikipedia entry for TSE (Please update as appropriate)
- Some great math videos (By my daughter!)
- Other Links of interest
Other:
- TSE for DOS (2.50e 1997)
Support:
- TSE Public Google Group/Mailing List
- TSE Private mailing list
Contact

Classic SemWare® website
Last Updated: December 29, 2025
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