11 Best Free AI Sales Tools for 2025
Build your entire sales stack without spending a penny. These powerful AI tools offer robust free tiers that many companies use as their complete solution.
Posted by
AI Sales Research TeamRelated reading
Apollo.io Implementation Guide: Step-by-Step Setup for Maximum ROI
Complete guide to implementing Apollo.io for B2B prospecting. Includes setup, optimization, and best practices from 50+ successful deployments.
AI Sales Automation Complete Guide 2025: Increase Revenue by 40%
Step-by-step implementation guide for AI sales automation. 4-phase plan with specific tools, budgets, and measurable results. Proven to save 15-20 hours per week per salesperson.
Best AI Sales Tools 2025: 47 Tools Tested by Revenue Teams
Comprehensive analysis of the best AI sales tools for 2025. We tested 47 platforms across 50+ companies to bring you data-driven recommendations.
Free Stack Overview
- Total Cost: $0/month for complete sales stack
- Team Size: Perfect for teams up to 5 people
- Capabilities: CRM, Email automation, Lead generation, Analytics
- Upgrade Path: Easy migration to paid plans when you scale
Top 5 Free AI Sales Tools
1. HubSpot CRM (Free Forever)
What's Included: Up to 1,000,000 contacts, deal tracking, email templates, meeting scheduling
- Unlimited users and contacts
- Email tracking and notifications
- Deal and task management
- Basic reporting and analytics
2. Mailchimp (Free Tier)
What's Included: Up to 500 contacts, 1,000 emails per month, basic automation
- Email marketing campaigns
- Basic audience segmentation
- Landing page builder
- Performance analytics
3. Apollo.io (Free Plan)
What's Included: 10,000 contact searches, 120 emails per month
- B2B contact database access
- Email finder and verification
- Basic email sequences
- Chrome extension for LinkedIn
4. Calendly (Free Version)
What's Included: Unlimited 1-on-1 meetings, 1 calendar connection
- Automated meeting scheduling
- Calendar integration
- Email notifications
- Basic customization
5. Google Workspace (Basic)
What's Included: Gmail, Drive, Docs, Sheets, Meet
- Professional email communication
- Document collaboration
- Video conferencing
- Cloud storage
Complete Free Sales Stack Setup
Week 1: Foundation
- Set up HubSpot CRM as your central database
- Connect Google Workspace for email and productivity
- Install Apollo.io Chrome extension for prospecting
- Configure Calendly for meeting scheduling
Week 2: Integration
- Connect all tools using native integrations or Zapier free tier
- Import existing contacts and clean data
- Set up basic email templates and sequences
- Create initial lead scoring and qualification criteria
Limitations and Upgrade Triggers
When to Consider Paid Plans
- Team Growth: More than 5 active users
- Volume: More than 1,000 prospects per month
- Automation: Need for complex workflows and sequences
- Reporting: Advanced analytics and custom reporting requirements