sourceforge-download-wait-skip.user.js

// ==UserScript==
// @name Sourceforge Instant Downloader
// @match *://sourceforge.net/*download*
// ==/UserScript==
(function() {
	'use strict';

	function exec(fn) {
		var script = document.createElement('script');
		script.setAttribute('type', 'application/javascript');
		script.textContent = '(' + fn + ')();';
		document.body.appendChild(script); // run the script
		document.body.removeChild(script); // clean up
	}
	exec(function() {
		var direct_download_link = document.querySelector('#problems > a.direct-download');
		window.location = direct_download_link.href;
		window.setTimeout(function() {
			history.go(-1);
		}, 500);
	});
}());

Mozilla Firefox 98.0b2 (64-bit), Tampermonkey 4.13.6136 (1 May 2021) — script not working.