Some links on e-portfolio www.dokeos.com  (free, documentation) 

www.eportfolio.org  www.icto.ic.uva.nl    (look at : links) www.icto.be/index 

www.edublogs.nl/wiki  (look also : www.imsglobal.org/ep/index.html)

www.moodle.com

www.social-return.net (multidisciplenary reintegration approach for disadvantaged unemployed people) 

www.pellea.org (digital portfolio development 

www.pace-leonardo.org (partial certification development)