aja0.4.1Asynchronous JavaScript And JavaScript/JSON(P) : Ajax without XML
d3-request1.0.6A convenient alternative to XMLHttpRequest.
pegasus0.3.5Load data while still loading other scripts, works with jQuery, Backbone, Angular...
qwest4.5.0Ajax library with XHR2, promises and request limit
superagent8.1.2elegant & feature rich browser / node HTTP with a fluent API
then-request6.0.1A request library that returns promises, inspired by request
request-promise4.2.6The simplified HTTP request client 'request' with Promise support. Powered by Bluebird.
wretch2.7.0A tiny wrapper built around fetch with an intuitive syntax.
ky0.27.0Tiny and elegant HTTP client based on the browser Fetch API
soga0.2.0Http Request Library for JavaScript Application
carrierjs2.5.1Carrier JS is promise based http client for browsers. It is used to interact with servers with ultimate caching feature.