Note that putting your paywalled papers on arXiv or on your website is very often perfectly legal, because, as a result of open access lobbying, many non-open-a

Note that putting your paywalled papers on arXiv or on your website is very often perfectly legal, because, as a result of open access lobbying, many non-open-access publishers allow exemptions for this in their copyright transfer agreements (sometimes under some conditions). You should check with your publisher for details (or look at the specific details of the copyright agreement), and there is a database of publisher policies http://www.sherpa.ac.uk/romeo/browse.php?letter=ALL&la=en&fIDnum=|&mode=simple http://www.sherpa.ac.uk/romeo/browse.php?letter=ALL&la=en&fI... (For anyone wondering, the reason why publishers routinely accept this is because they derive their revenue from university subscriptions, and the availability of even a large percentage of non-official article versions online apparently does not suffice to encourage libraries to unsubscribe.)