Open Source C# Download Managers

N_m3u8DL-CLI is a cross-platform command-line downloader for m3u8 (HLS) playlists. It converts streams to MP4 or TS and offers rich command-line options. While the original CLI uses .NET Framework (Windows), its successor N_m3u8DL-RE adds true cross-platform support for Windows, Linux, and macOS. Common in media workflows for downloading and converting streaming video.

The-New-M3U8-Downloader is a redesigned version of the original M3U8 downloading tool that focuses on improving usability, download visibility, and performance efficiency. The project introduced a refreshed interface and added real-time feedback features such as taskbar progress indicators and download speed calculation. It improved regex parsing accuracy and optimized internal logic to increase reliability when processing streaming playlists. The tool also displays file sizes and integrates batch download functionality for handling multiple tasks. Although the repository is now archived and no longer actively updated, it represents an important evolutionary step that later influenced more advanced tools by the same author. Overall, it serves as a legacy but functional solution for downloading HLS-based media streams.

Sonarr is a smart personal video recorder (PVR) designed for Usenet and BitTorrent users. It monitors RSS feeds for new episodes of TV shows, automatically downloads, sorts, and renames them, and can upgrade existing downloads when a better quality version becomes available. Support for major platforms: Windows, Linux, macOS, Raspberry Pi, etc. Automatically detects new episodes. Can scan your existing library and download any missing episodes. Can watch for better quality of the episodes you already have and do an automatic upgrade. eg. from DVD to Blu-Ray.

Airfox is a fast, consistent, reliable, secure, private and independent web browser. Developed in the Microsoft .NET Runtime Environment, Airfox uses the Gecko Engine also seen in some well-known browsers such as Firefox, Waterfox, Pale Moon. Some advanced features such as Reliable Download Manager are not available due to restrictions from the GeckoFX runtime, but as seen from the results of the futuremark, acid 3 & acid 2 tests, Airfox’s scores/rankings are merit. We are just asking to support us by downloading Airfox and giving it a try. We promise that V2 will be just as good as the other famous browsers. We just want you to follow us on this journey. We want you to follow us on this quest. The quest for true browsing speed. The quest for an uncluttered web. The quest of YOUR ideal web . Download it at http://www.airfox.sourceforge.net

VisualWget is a download manager that use Wget as a core retriever to retrieve files from the web. You can think of VisualWget as a GUI front-end for Wget.

Goona Browser is a webbrowser, using the Gecko (Mozilla) or WebKit technology to display the web pages (dual-engine), with a simple interface. Public release is in beta stage. NEW VERSION 0.6.1.3! Primitive multi-language support and an auto updater!

On the Fly Downloader (formerly known as RemoteDrive) allows using files from the web locally. A local file is created, which behaves like a fully downloaded copy even though the download is still in progress.

Open source download manager built using the Microsoft .NET Framework. The language used will be C#. This program will provide download management, resume, secure login, and other download management features.

A small tool to search and download documents (pdf, doc and docx) using Google, Google Scholar, PLOS, DOAJ (experimental), PNAS and Nature.

WGET the graphical version for Windows. It has an integrated download manager. Performs websites downloads.

Anime Soundtrack Downloader is a download manager for a Anime Soundtrack listing page. It doesn't provide content by itself it only helps to organize and download Soundtracks from that directory.

DDownloader is a download manager application for Windows. The goal of the application is to save you time downloading files from web pages. Downloads youtube videos, image, video and audio galleries. Supports pause/resume and secure sites.

Nele você pode navegar e já checar se o seu link está online ou não sem a necessidade de abrir a referente página. Uma boa oportunidade para seu uso é quando existe um arquivo grande que está dividido em inúmeras partes, além disso, ele remove a maioria de protetores de links e encurtadores de links. Este aplicativo usa multithread, cada conjunto de links requisitados para analise no aplicativo gera uma thread, combinado com um processador multi core o envio de múltiplas requisições se torna rápido.

DownloadBoss is easy to use download manager!

Nanoapp Download Manager is a simple and free download manager for Windows users that are tired to pay money to other paid download managers! This download manager is completely free. The only action we request from users of this application: PLEASE ALWAYS CHECK FOR UPDATES FOR THIS SOFTWARE! Question: Why should I keep this software updated? Answer: Because this is more secure and you will see how do we improve and fix or do changes in this software! Please tell us about issues or suggest us about this application! (Review and Rate) Please read features.

Portable Download Manager

15/08/2014 Premium.to Link Generator V4.01 release Changes Log: Link conversion bugfix Premium.to Link Generator is an AIO application to test host links, convert host links to your Premium.to account and automatically store to your clipboard or send direct to Internet download manager. Note: You must have a http://premium.to/ account for this to work

SuperPipe will be a download manager with support for applications like browsers to have SuperPipe do their downloading via an open API.

UnrealDownload is a free, open-source download manager utilizing the .NET or Mono Framework. ProtoArmor took over after the original creator disappeared. Development is still very active even as of April 2006.

desktop-data-manager includes a clipboard history for many different types of content (text, images, ...), an application to take screenshots from a single window/subwindow, rectangle of the screen or the whole desktop and a download manager.

Wallabie is download manager for unix-like enviroments with particular attention to usability.

WideStream Download Manager is an extensible and feature-rich download manager and FTP Explorer. It works as a download accelerator, supports multiple downloads, can resume broken downloads, download from YouTube, RapidShare and much more.