Hiver
The world's first help desk built natively for Google Workspace.
The enterprise-grade AI email assistant built for speed, quality, and data security.
MailMaestro is a high-performance AI email assistant engineered for professionals and enterprise environments where security is non-negotiable. Unlike generic LLM wrappers, MailMaestro employs a sophisticated context-aware engine that analyzes entire email threads to generate relevant, tone-perfect drafts in seconds. Architecturally, it is designed to sit directly within Microsoft Outlook and Gmail, minimizing context-switching for the user. Its 2026 market position is defined by its 'Security-First' philosophy, offering SOC2 Type II compliance and zero-data retention policies that ensure sensitive corporate communications are never used to train foundational models. The platform leverages multiple Large Language Models (LLMs), including GPT-4o and Claude 3.5, to provide specialized writing styles ranging from concise executive updates to persuasive sales outreach. By 2026, MailMaestro has evolved beyond simple drafting into a proactive communications hub, featuring predictive scheduling, automatic action-item extraction, and multi-language synthesis. It serves as a bridge between raw enterprise data and polished communication, allowing users to transform bullet points or brief notes into professional correspondence that adheres to specific brand voices and organizational standards.
Uses few-shot prompting to mirror a user's historical writing style, including specific vocabulary and sentence structures.
The world's first help desk built natively for Google Workspace.
Turn your inbox into a productivity engine with AI-driven synthesis and context-aware drafting.
AI-powered autopilot for your inbox that drafts replies and categorizes threads before you even open them.
Verified feedback from the global deployment network.
Post queries, share implementation strategies, and help other users.
Parses up to 50 previous interactions in a thread to maintain continuity and reference past decisions automatically.
Extractive and abstractive summarization of long email chains into key points and action items.
Data is processed in memory and never stored on MailMaestro servers for model training purposes.
Can receive inputs in one language and produce culturally nuanced drafts in another (supporting 20+ languages).
NLP engine identifies meeting requests and suggests available slots directly in the email draft.
Takes a CSV of contacts and a prompt to generate individual personalized drafts for review.
Executives returning from leave face hundreds of unread emails.
Registry Updated:2/7/2026
Approve and send.
SDRs needing to pitch to Japanese prospects without fluent Japanese staff.
Crafting sensitive financial updates that require a specific professional tone.