Smalltalk Server Pages
In no particular order, in various degrees of deadness and not specific to any particular implementations:
- SwazooActivePages, part of Swazoo.
- STT - Smalltalk Templates
- Squeak Server Pages - dead link
- VisualWorks SSP, used in James Robertson's Silt blog server.
- Nori - "a framework for building Seaside applications using templates instead of generating HTML programmatically."