publish.li is described as 'let's you publish your articles and posts with ease. Once you arrive at the app, just start typing and press 'Publish' and voila, your article is live. Keep your secret so you can come back and edit the same post later' and is an app in the Photos & Graphics category. There are three alternatives to publish.li for a variety of platforms, including Android, Linux, Mac, Online / Web-based and iPhone. The best alternative is Write.as, which is both free and Open Source. Other great apps like publish.li are Telegra.ph (Free) and Rentry.co (Free).
Telegra.ph is an anonymous publishing platform by Telegram that lets anyone post stories without having to register an account. Simply visit the site and you'll be presented with a light form for posting.