There are apps today that are using a mix of web and local capabilities. - photopea.com - import local image, make edits, export back to local storage - tldra

There are apps today that are using a mix of web and local capabilities. - photopea.com - import local image, make edits, export back to local storage - tldraw.com - same - demo.logseq.com - best example I've found yet. No login required, you can import a local folder of Markdown files, and have the Logseq web app interpret them as a set of backlinked notes.