Question: I'm looking for a tool that helps me send targeted messages to groups of contacts and track the performance of my campaigns.

If you want a tool to send messages to groups and measure results, Heymarket is a top contender. This business texting service offers shared inboxes for handling conversations, lists and campaigns for targeting messages, and analytics to measure campaign results. It also integrates with other business apps and CRMs so you can keep relationships in one place and grow as your business grows.

Another good option is ActiveCampaign. This all-in-one marketing automation platform offers personalized email marketing, automation and sales engagement tools. With AI-powered automations and more than 900 native integrations, ActiveCampaign lets businesses orchestrate customer interactions across multiple channels, including SMS. It offers analytics and reporting to measure and optimize results.

If you want hyper-personalized SMS and email marketing, check out Attentive. The company uses AI to create targeted audience segments and to optimize the timing of your messages so they reach the right people at the right time. With sophisticated segmentation and analytics, Attentive helps businesses get the most out of their marketing campaigns.

Last, Sendbird is a messaging platform for developers who want to create their own messaging experience. It offers targeted messaging, group chat and AI-powered conversations, so it's a good choice for businesses that want to personalize and scale their communications.