The purpose of this page is to catalog Tcl extensions believed to be safe for use in multi-threaded Tcl applications, along with the version numbers in which thread-safety was added. This list might change as the definition of "thread-safe" evolves in the Tcl community.

   * [incr Tcl] 3.2.1
   * [Oratcl] 4.0
   * [tDOM] 0.7.5
   * [XOTcl] 0.9.4

----
[Category Threads]
----