JavaScript's functional programming helper library.
Underscore is javaScript's functional programming helper library. Licensed under MIT, it is extremely popular in the JavaScript ecosystem with 19.7M weekly downloads.
Underscore has an good overall health score of 79/100. Its strongest dimension is popularity (100/100), while quality (50/100) is the area with most room for improvement. This package is in good shape overall.
50 npm packages with <500K weekly downloads but outsized value in 2026. Hidden gems, tiny utilities, and tools expert devs use that most developers miss.
2026-03-08T00:00:00.000ZThe npm packages that everything else depends on — the invisible foundation of the JavaScript ecosystem. Data on the most-depended-upon packages and what.
2026-03-08T00:00:00.000Z