For download any file from project sub-tab "Files" filelist - just click right mouse button on it and choose "Save this link as..."
// ==UserScript==
// @name SourceForge - Download Enhancer: NO More Adv.CountDown
// @description For download any file from project sub-tab "Files" filelist - just click right mouse button on it and choose "Save this link as..."
// @namespace Ravlissimo
// @match http*://sourceforge.net/*/files/*
// @match https://sourceforge.net/*/files/*
// @icon https://sourceforge.net/favicon.ico
// @version 1.5
// @license MIT
// @grant none
// ==/UserScript==
var href, links = document.querySelectorAll('a[href$="/download"]');
for (var i = 0, l = links.length; i < l; i++) {
href = links[i].getAttribute("href").replace("sourceforge.net/projects/", "master.dl.sourceforge.net/project/").replace("/files/", "/").replace(/\/download$/, "?viasf=1");
links[i].setAttribute("href", href);
}