Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Refined GitHub - Browser extension that makes GitHub cleaner & more powerful
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
GitZip - Download or create a download link for a GitHub project folder/sub-folder or file.
Freezetab - A powerful alternative to bookmarks.
Zube - Project management for developers.