Below is a selection of good quality monolingual and bilingual dictionaries for Portuguese, available online.
You can use the subject drop-down box (highlighted below) to find a wide range of Portuguese, Brazilian and Lusophone resources on the Databases A-Z listing. From digital libraries of texts to archival catalogues to bibliographic databases, new resources are being added all the time. You can also search for databases using keywords - all the databases should have a description telling you what they contain. If you find an interesting resource and would like more information or advice, please contact me.
Portals are sites that act as gateways to a variety of information sources on a particular topic. The selection of links below includes library catalogues, as well as sites with collections of digitised books and journals.