Chronos

• Stable - Useable by all. Bugs are rare.
• MIT - The MIT license is like BSD without the advertising clause. As free as it gets, suitable for cross Smalltalk 100% reuse. The recommended license for Squeak since the 4.0 release.
• Squeak3.6 -
• Squeak3.8 - Released 25 May 2005.
• Squeak3.9 - Released 8 Dec 2006.
• Code changes, but only internal - Code has changed but should not affect external behavior.
• Squeak3.7 - Released 15 Sept 2004.
• Class libraries - Class libraries for Squeak to use for development
• Non official package - Just a package for Squeak, no community guarantees. :)

See: Version B1.186 of the Chronos Date/Time Library Published