The Mini Transat Open 6m50 Classe
Contains general information about the Mini Transat, a boat type that is raced solo across the Atlantic Ocean. Includes boat design, rules, photos and related links. With an active Open Class forum.

Open Source Mini-650 Design Initiative by Hans Zwakenberg
Mini-650 racing yacht design initiative by Hans Zwakenberg, to be published under a public Open Source Yacht Design license

Together alone.2001
Three classes; Solo in an Open 50 One design, Doublehanded in 45 to 50 Ft yachts and crewed in a 55 ft one design. All mixed together.