Open Source Windows Download Managers

File centipede is an internet file download/upload manager, Torrent client, WebDAV client, FTP client, and SSH client. It's fast, customizable, user-friendly, multi-protocols supported, and free with no ads. It also contains many useful auxiliary tools such as HTTP requester, file merge, and encoders. With the browser integration, you can download audio and videos from websites, even encrypted videos. File centipede makes everything easy and efficient, it's the best internet download manager you can find.

FlareGet is a full featured, multi-threaded and multi-segment download manager and accelerator for Windows and Linux

Hyper Download Manager (HDM) is a high-performance, open-source download accelerator engineered for speed, privacy, and simplicity. Built with Python and PySide6, it features a sleek, modern interface inspired by Windows 11 aesthetics that blends seamlessly with your desktop environment. HDM replaces your browser's default download manager, offering deep integration with Chrome, Edge, Brave, and Firefox through native messaging. Experience significantly faster downloads with multi-threaded acceleration that splits files into optimal chunks. Key features include smart persistence to automatically save progress, single-instance link handling, and a strictly privacy-focused design with zero telemetry or tracking. Whether you're downloading large files or managing daily transfers, Hyper Download Manager delivers a superior, clutter-free experience.