The catalogue is not just a list of library names. Instead, JSDB.io shows a good summary of the library popularity and development status (number of forks, watchers, average time between commits, number of contributors…) and a basic description based on information available from GitHub. See for instance a partial view of the JQuery description.
ICREA Research Professor at Internet Interdisciplinary Institute (UOC). Leader of the SOM Research Lab focusing on the broad area of systems and software engineering