Missive is a team communication platform that brings shared inboxes, internal chat, and task management into one interface. Teams can collaborate on email threads with internal comments, assign conversations, draft messages together in real time, and automate repetitive workflows with rules. It supports email, SMS, WhatsApp, Instagram, Messenger, and live chat. Built-in AI features powered by OpenAI, Anthropic, or Google help draft replies, translate messages, and auto-categorize incoming mail. Used by over 4,500 businesses including agencies, accounting firms, and startups.

• Shared Team Inboxes: Multiple team members can work from the same inbox without duplicating effort or stepping on each other's toes. Assign conversations to specific people or teams while everyone maintains visibility.
• Internal Chat on Threads: Discuss emails internally right inside the conversation thread. No need for separate Slack messages or forwarded emails to coordinate responses.
• Collaborative Drafting: Compose emails together in real time, similar to Google Docs. Get drafts reviewed by teammates before sending.
• AI Assistant: AI helps draft replies, summarize threads, search emails, translate messages, and work with full conversation context using models like OpenAI, Claude, or Gemini via API keys
• AI Rules & Automation: Set up rules that use AI to analyze incoming emails, auto-categorize them, detect urgency, create tasks from deadlines, or draft replies automatically.
• Multi-Channel Inbox: Manage email plus channels like SMS, WhatsApp, Instagram, Messenger, and live chat in a single unified workspace (depending on setup and integrations).
• Task Management: Create, assign, and track tasks directly within conversations. Smart task attributes auto-fill context to keep projects moving.
• Integrations: Connect with tools like Trello, Asana, Todoist, Pipedrive, Zapier, and custom APIs for workflow automation and data sync.

• Affordable for Teams:Starts at around $14/user/month (annual billing), making it one of the more affordable shared inbox tools compared to competitors like Front, which is typically higher priced.
• Excellent Customer Support: Users consistently rate support as highly responsive, friendly, and genuinely invested in improving the product based on feedback.
• Replaces Multiple Tools: Combines email, internal chat, shared inboxes, and task management in one workspace, reducing the need for separate tools like Slack for internal email discussions.
• Flexible AI Integration: Bring your own API key from OpenAI, Anthropic, or Google. Pay only for actual AI usage rather than a flat fee on top of your subscription.
• Cross-Platform Availability: Works on Web, Mac, Windows, iOS, and Android with consistent experience across devices.
• Generous Free Plan: Free tier supports up to 3 users with core shared inbox and chat features, making it easy to evaluate without commitment.

• Learning Curve: The interface can feel overwhelming at first, especially due to shared inbox logic, rules, assignments, and sidebar organization. Users often need time to understand how tasks, archives, and inbox states interact.
• Limited Search Capabilities: Users report wanting more advanced filtered search options based on criteria like date, author, or specific thread attributes.
• Mobile App Needs Work: The mobile experience receives complaints about usability, which can be frustrating for teams that triage on the go.
• No Built-In Knowledge Base: Unlike some competitors, Missive doesn't offer a customer-facing help center or knowledge base, though external ones can be connected.

• Customer Support Teams: Support teams using shared addresses like support@ or help@ can assign incoming tickets, discuss solutions internally without customers seeing, and use AI rules to auto-prioritize urgent requests. Response times improve because anyone on the team can pick up a conversation with full context.
• Sales Teams Closing Deals: Coordinate deal communication across multiple teammates, assign ownership of conversations, collaborate on replies in real time, and streamline follow-ups inside a shared inbox.
• Professional Services Firms: Law firms, accounting practices, and marketing agencies can organize email by client or project using labels and shared inboxes. Assign contract reviews to the right specialist and maintain clear audit trails of who handled what.
• Small Teams Replacing Slack + Email: Centralize communication by combining email, internal chat, and assignments in one workspace, reducing tool switching while keeping context in one place.
• Remote Teams Managing Multi-Channel Communication: Distributed teams handling customer messages across email, WhatsApp, Instagram, and live chat can manage everything from one interface. AI translation helps teams communicate across languages without switching tools.