SIBiLS (Swiss Institute of Bioinformatics Literature Services) provide personalized information retrieval from the biological literature. SIBiLS allow fully customizable search in semantically enriched contents, based on keywords, and/or mapped biomedical entities from a growing set of standardized and legacy vocabularies. Built on modern technologies scalable to big data, SIBiLS are freely accessible via REST APIs and are ready to empower any curation workflow.