[...]
BLT
TiM [L1 ]
CBLAS from critlib
Ed Hume's pure-Tcl linear algebra package [L2 ]
matrix
NAP
VKIT
NArray [L3 ]
Tcllib::linearalgebra for users of Tcl8.4 (and possibly earlier) for vectors, matrices and linear equation solvers. Documented in the Help pages.