Bloom: Email Opt-ins
Monarch: Social Sharing and Following
Monarch is a Social Sharing and Social Following plugin built to get you more share and more followers on social networks such as Facebook and Twitter. Monarch does this by using various different social sharing integration methods, such as social sharing sidebars, inline sharing buttons, popups and flyin boxes. By encouraging your visitors to share, and making it easy for them to share, Monarch can greatly increase the social sharing activity on your website. In addition, Monarch also helps you get more followers on such social networks by making it easy to link out to your social profiles and display your social follower count. Monarch excels by giving your more effective social sharing methods, and by giving you in-depth design customization options and statistics.
Yoast: Search Engine Optimization