Open Access' main objective is making reserach publications available on-line, free of charge. The author will always hold the copyright to the material, but the users will normaly have the right to read, search, save, copy, cite or redistribute the text.
There are two main roads to Open Access:
More information on Open Access

NHH Brage (formerly BORA-nhh) is an open institutional archive. Articles available through NHH Brage are considered a supplement to journal publishing.
Publications archived in NHH Brage are subdued the Norwegian intellectual achievement legislation. Publications will be made accessible only as long as there is an egreement between NHH Brage and the author/departement
In 2002, British government established the SHERPA/ROMEO-database which displays an overview of the publishers' policies concerning self-archiving of published texts. More than 90% of the publishers accept institutional open access-archiving in some form or other.