Here are some popular marketing automation tools. Note that there are many tools in this arena, we have listed the most used larger ones:

1. HubSpot: HubSpot offers a comprehensive marketing automation platform with features such as email marketing, lead nurturing, lead scoring, landing page creation, and CRM integration.
   
   
2. Marketo: Marketo provides a robust marketing automation platform that includes lead management, email marketing, campaign management, and analytics.
   
   
3. Pardot: Pardot, a part of Salesforce, offers marketing automation software that focuses on lead generation, email marketing, lead nurturing, and ROI reporting.
   
   
4. Eloqua: Eloqua, now part of Oracle Marketing Cloud, is a feature-rich marketing automation tool that offers email marketing, lead management, campaign management, and social media marketing.
   
   
5. ActiveCampaign: ActiveCampaign combines email marketing, marketing automation, and CRM features in a single platform. It includes email automation, segmentation, CRM integration, and lead scoring.
   
   

Deploying marketing automation software typically involves the following steps:

1. Define your objectives: Clearly outline your marketing automation goals, such as lead generation, lead nurturing, customer retention, or improving campaign effectiveness.
   
   
2. Evaluate and choose a tool: Research and compare different marketing automation software tools based on your requirements, budget, and scalability. Consider factors like features, ease of use, integration capabilities, and customer support.
   
   
3. Plan your strategy: Determine your marketing automation strategy, including audience segmentation, lead scoring criteria, email marketing campaigns, and workflows. Develop a roadmap for implementation.
   
   
4. Set up your software: Once you’ve selected a tool, create an account, and configure the necessary settings. This involves integrating with your existing CRM system, setting up tracking codes, and connecting with your desired communication channels.
   
   
5. Build campaigns and workflows: Design and create your marketing campaigns, email templates, landing pages, and automation workflows. Set up triggers and actions based on user behavior or predefined criteria.
   
   
6. Test and optimize: Before launching your campaigns, thoroughly test them to ensure everything is functioning correctly. Monitor performance, analyze data, and make adjustments to optimize your campaigns over time.
   
   
7. Train your team: Provide training to your marketing and sales teams on how to effectively use the marketing automation software. Educate them about its features, best practices, and how it aligns with your overall marketing strategy.
   
   
8. Measure and refine: Continuously monitor and measure the performance of your campaigns using the analytics and reporting capabilities of the marketing automation tool. Use this data to refine your strategies and improve your results.
   
   

Remember that the deployment process may vary depending on the specific marketing automation tool you choose. It’s always recommended to refer to the documentation and support resources provided by the software vendor for detailed instructions and best practices.