HTTP Downloader is a download manager for the HTTP(S) and FTP(S) protocols. Maximize your download throughput by utilizing high performance input/output completion ports (IOCP). HTTP Downloader can open thousands of connections at a time and consumes very little system resources.
miniserve is a small, self-contained cross-platform CLI tool that allows you to just grab the binary and serve some file(s) via HTTP. Sometimes this is just a more practical and quick way than doing things properly.
XBackBone is a simple, self-hosted, lightweight PHP backend for the instant sharing tool ShareX. It supports uploading and displaying images, GIF, video, code, formatted text, and file downloading and uploading. Also have a web UI with multi user management and past uploads history.