Top Alternatives to GC Bookmarks

Diigo is a powerful research tool and a knowledge-sharing community.

Firefox Sync allows accessing your open tabs, bookmarks, history, passwords and preferences everywhere.

start.me is a modern-day bookmark manager.

Raindrop.io syncs bookmarks into the cloud and makes them beautiful as well as easy to search.

Google Bookmarks is a free online bookmarking service, available to Google Account holders.

inboard (Pinboard.in) is a social bookmarking website.

Tagpacker is a free tool to collect, organize, and share your favorite links.

historious is a single-click bookmarking search engine.

Pearltrees is a visual and collaborative curation tool.

FVD Speed Dial is a Speed dial extension including Tab Page Replacement with 3D Speed Dial and predefined images, sync and organizes your bookmarks, groups, and most visited pages.

lumio is an online content organizing platform.

LinkCollector is a online bookmarking service.

Fetching is a new kind of bookmarking app.