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Spike

Email reimagined as a real-time chat with AI collaboration

8 approved alternatives Suggest an alternative
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Looking for a tool like Spike (Email reimagined as a real-time chat with AI collaboration)? Below are 8 AI tools people use as an alternative to Spike, ranked by leaderboard position. Each one is approved by our editors and worth comparing before you decide.

Superhuman
Superhuman

Fast AI email client, now under the Superhuman-branded Grammarly

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Klaviyo AI
Klaviyo AI

The leading email and SMS platform for ecommerce, now AI-powered

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Brevo AI
Brevo AI

All-in-one marketing platform, formerly Sendinblue

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ActiveCampaign AI
ActiveCampaign AI

Marketing automation with AI-driven send timing

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Shortwave
Shortwave

AI email client for Gmail that triages your inbox

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Boomerang
Boomerang

AI email scheduling and reply-likelihood scoring for Gmail

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Mixmax
Mixmax

AI email productivity and sales engagement for Gmail

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Spark Mail
Spark Mail

Smart email client with AI prioritization and team drafting

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