- Bose Connect
- Bounty of One
- Boxcryptor
- BrandMyMail - Email Signatures for GMail
- Brave Private Browser: Fast, secure web browser
- Brawl Stars
- Brick Rigs
- Bridge Base Online
- BringMeSports
- Broken Link Checker
- Brotato
- Browse Faster
- Browse Plus
- Browser Clipboard
- Browser extension for Ordnett Pluss
- Browser QuickLinks
- BrowserStack
- Brutal Doom
- B.S. Detector
- BTS - Bangtan Boys Wallpapers HD New Tab
- Bug Magnet
- BugHerd Plus
- BuiltWith Technology Profiler
- Bulk Image Downloader
- Bulk URL Opener Extension