miniserve
For when you really just want to serve some files over HTTP right now
...Optional authentication, TLS, random routes, and custom headers help control access. The browser interface supports search, themed listings, QR codes, uploads, directory creation, deletion, and compressed folder downloads. It also handles range requests, README rendering, WebDAV, health checks, and correct MIME types. miniserve is designed for situations where starting a full web server would be unnecessary or too slow.