Online Tools

• Weibull Analysis – for those quick but useful weibull plots analysis.
• Zero Test failure – calculations to asses the zero failure test (complete or partial).

Blogs

• NoMTBF.com – Great blog about why not to use MTBF to measure reliability and also reliability content in general by Fred Schenkelberg.
• AccendoRelaibility.com – a hub for reliability profesional development. I specially like all the variety of authors and all the great content generated and offered for free.

Books

• Fault Tree Analysis online book.
• The New Weibull Handbook