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

The SemWare® Editor is now freeware.

Download the latest stable versions:

• TSE for Windows (4.50.23 Apr 2026)
• TSE for Linux (4.50.23 Apr 2026)

Download the bleeding edge versions:

• TSE for Windows (4.50.30 Sep 2026) New!
• TSE for Linux (4.50.30 Sep 2026) 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!)
• A cool new board game invented by my son-in-law!New!
• 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

Copyright © 2026 SemWare. All rights reserved worldwide.  SemWare is a registered trademark of Sammy and Bobbi Mitchell.  All other trademarks and registered trademarks referenced in these pages are the property of their respective owners.