Best Email Marketing Software

Brevo (formerly Sendinblue) competes on price and breadth. Its free tier is one of the most generous in the industry — 300 emails/day forever — and it bundles SMS, live chat, and transactional email without add-on fees.

• ✓Most generous free tier in email marketing (unlimited contacts)
• ✓Transactional email included without extra fees
• ✓Built-in SMS marketing

💡 Commission triggers when referred user creates a free account

ActiveCampaign combines email marketing, marketing automation, and a built-in CRM. It's the go-to for businesses that want advanced automation without enterprise pricing.

• ✓Best-in-class automation builder with visual canvas
• ✓Built-in CRM with lead scoring
• ✓Conditional content and dynamic email blocks

Klaviyo dominates e-commerce email marketing. Native integrations with Shopify, BigCommerce, and WooCommerce mean it syncs purchase data, abandoned carts, and browsing behavior automatically — turning that data into revenue.

• ✓Best-in-class e-commerce integrations (Shopify native)
• ✓Revenue attribution shows exact ROI per campaign
• ✓Predictive analytics for customer lifetime value

Kit (rebranded from ConvertKit in 2024) is purpose-built for creators — bloggers, podcasters, YouTubers, and course sellers. Its tagging system, subscriber-centric model, and creator-specific features make it the default for the creator economy.

• ✓Free plan up to 10,000 subscribers
• ✓Tag-based subscriber management (vs list-based)
• ✓Built-in paid newsletter monetization

HubSpot is the dominant all-in-one CRM, covering marketing, sales, service, and operations hubs. The free CRM is genuinely powerful — but paid tiers scale to enterprise pricing quickly. It's the safe choice for B2B businesses that want everything integrated.

• ✓Best free CRM on the market — genuinely functional
• ✓All hubs (marketing, sales, service) integrate natively
• ✓Massive ecosystem of integrations and apps

GetResponse bundles email marketing, marketing automation, landing pages, webinars, and a website builder into one platform. It's an all-in-one stack for marketers who want to avoid juggling multiple tools.

• ✓Built-in webinar hosting (unique differentiator)
• ✓All-in-one: email + landing pages + automation + website builder
• ✓Generous affiliate program ($100 one-time or 33% recurring)

Mailchimp is where most small businesses start their email marketing journey. Its free plan, intuitive builder, and brand recognition make it the default choice — but power users often outgrow it.

• ✓Free plan for up to 500 contacts
• ✓Extremely beginner-friendly drag-and-drop editor
• ✓Massive template library