Firefox Sync is described as 'Lets you sync your data and preferences (such as your bookmarks, history, passwords, open tabs and installed add-ons) across all your devices. It's free to use' and is a very popular bookmark manager in the web browsers category. There are more than 25 alternatives to Firefox Sync for a variety of platforms, including Web-based, Google Chrome, Windows, Mozilla Firefox and Self-Hosted apps. The best Firefox Sync alternative is Floccus, which is both free and Open Source. Other great apps like Firefox Sync are GoSuki, LinkAce, EverSync and Bookmark OS.
No vendor lock in due to selfhosting. Works with nextcloud as well as any webDAV server.
GoSuki is an extension-free, self-contained, real time bookmark tracker and organizer. It packs everything in a single binary and captures all your bookmarks in a portable database.
LinkAce is meant to provide a long-term archive of links to websites, media files or anything else which has a valid URL. Store interesting articles, neat web tools or libraries you may use sometime in the future.
Enjoy access to your favorite sites, bookmarks, and tabs from any computer and any browser - with perfect ease! Eversync will keep your favorite content within your immediate reach at all times!.
Centralize bookmarks, notes, to-dos, and files in a customizable online desktop featuring a Mac and Windows-inspired interface, drag-and-drop organization, and cross-device access with search, tagging, visual customization, and no installation needed.
It has nothing to do with Firefox Sync. It doesn't sync anything but bookmarks
This app provides you with a web interface for collecting and organizing bookmarks to the places on the web that are precious to you. You can browse and filter your bookmarks via tags and folders and by using the built-in search feature.
It's good cross-platform bookmarks storage, and you can use bookmarklets to add items to it. I use it as the storage for syncing with Floccus.
Firefox Sync syncs history, tabs, passwords, extentions, etc. Grimoire is just a bookmark manager.
Collect any article you want to read later, image that inspired you or video you want to watch later. Save anything, never lose it and view it without ever leaving GGather. Organize your bookmarks with tags and notes. And GGather tags are special.
Linkora is your straightforward solution for organizing links on Android. Whether you’re saving a single link or categorizing them into folders, Linkora simplifies the process.
Capture, Organize and Share your Tabs / Bookmarks. TabsFolders sees your countless tabs and raises you one easy-to-use tool that organizes all the information you need.
Keep your Chrome bookmarks on Windows up to date with the Safari bookmarks on your iPhone, iPad, and Mac.
LinqBox is a bookmark manager that allows you to save and access links from any browser. It uses bookmarklets that you put on your browser’s already existing bookmark toolbar so there is no need to install any plugins.
Germany
EU
Spain
United States
Poland
Canada
Works across multiple different browsers that have their own sync (Firefox, Vivaldi, Chrome, etc.) and some that don't (Ungoogled Chromium), and you can choose your own cloud storage. Bookmarks only.