Agile CRM offers users with sales and marketing automation tools to aid their customer service outreach. Prices range from $0-$79.99/user/month.
Ahrefs provides SEO tools for keyword research and management, competitive analysis, rank tracking, and more. Prices range from $99 to 999/month.
Hootsuite helps businesses manage their social networks, connect with customers, and grow their brand. Its pricing ranges from $0-$599+/month.
Google Hangouts provides users with various communications channels such as text, voice or video chats. It is free to use.
PRlog helps distribute news, announcements, and other messages to various news sites. Pricing ranges from $0 to $359/release.