Missive

Missive is a collaborative email platform that integrates AI-powered writing assistance directly into a team inbox experience. Its standout feature is the seamless blend of team collaboration tools"shared inboxes, internal chat, and task assignments"with AI capabilities for drafting, rephrasing, and translating emails. The AI composer leverages OpenAI's models to generate contextual responses, saving significant time on routine correspondence.

The freemium tier is generous enough for small teams to evaluate the platform, while paid plans starting at $14/mo per user unlock the full suite of collaboration and AI features. API availability adds flexibility for custom integrations and workflow automation.

Strengths include an intuitive interface, excellent multi-channel support (email, SMS, social), and genuinely useful AI suggestions that feel native rather than bolted on. The collaborative drafting experience is best-in-class. Limitations include pricing that can add up for larger teams and AI features that, while solid, don't offer the deep customization found in dedicated AI writing tools. Overall, Missive excels as a team-first email client with capable AI augmentation.