5 best Turtl alternatives in 2021

Turtl is a bookmark manager with the following features: bookmark icons/images, standalone notes, self-hosting, privacy-based, folder sharing, tags, importing/exporting, keyboard shortcuts.

Here are some great alternatives.

Trove is a privacy focused bookmark manager built on Blockstack, which is a de-centralized Blockchain. It is encrypted and provides a minimalist UI design.
A privacy based extension that allows you to annotate webpages and has full-page text search.
Hush let's you save bookmarks from incognito mode in Chrome.
LinkLocker is a privacy focused bookmark manager that is completely private and has an API.
WebCull is a privacy focused way to organize your bookmarks that uses Stacks which are essentially folders in a list.