10 Best Email Clients Tools in 2026

Zoho Mail offers a secure, encrypted, and ad-free business email service designed to provide professional communication for companies of all sizes. It emphasizes data privacy, offering encryption at rest and in transit, S/MIME message encryption, and a 99.9% uptime guarantee. Users can create custom email addresses with their own domain, enhancing brand credibility and professionalism. The platform includes a powerful admin console for managing users, groups, and email content policies, along with features like email retention and e-discovery for compliance. Zoho Mail also integrates collaboration tools like "Streams" to replace email threads with social media-like interactions, task management, and file sharing. It provides mobile apps for on-the-go access and offers migration tools for easy switching from other providers. Additionally, it integrates with Zoho CRM and other Zoho Workplace applications for a comprehensive business suite. Zoho Mail is ideal for businesses looking for a reliable, secure, and professional email solution with robust administrative controls, compliance features, and integrated collaboration capabilities, all while ensuring data privacy and a professional brand image.

Streak is a CRM designed to integrate directly into Gmail, allowing sales teams and professionals to manage their pipelines, customer interactions, and deals without ever leaving their inbox. It aims to solve the common problem of CRMs not being used by teams by making it an inherent part of their daily email workflow. Streak automates data entry, tracks every interaction, and provides a centralized view of all customer-related activities. The product is ideal for small to medium businesses, sales teams, and individuals who rely heavily on Gmail for communication and want a CRM that adapts to their existing workflow rather than forcing them into a new system. It offers features like automated email logging, pipeline management, contact management, mail merge, task management, and reporting, all accessible within Gmail. Streak also leverages AI for data entry, deal summaries, and answering questions about deals, making it smarter and more efficient. Key benefits include increased team adoption due to its native Gmail integration, improved data accuracy through automation, better visibility into deal progress, and enhanced team collaboration. It helps users track leads, manage customer relationships, and streamline sales processes, ultimately leading to better organization and growth.

Superhuman is the fastest email experience ever made. Keyboard shortcuts let you process email at blazing speed. AI features summarize threads and write drafts. Split inbox separates important emails from noise. Scheduled send, read receipts, and undo send included. The email client for professionals who want to spend less time in their inbox and more time on work that matters.

Front brings email into a shared workspace for teams. Everyone sees the conversation, anyone can respond, and nothing falls through the cracks—email that works for teams, not just individuals. Shared inboxes make collaboration natural. Comments discuss without cluttering. Analytics show team performance. Teams managing shared email addresses choose Front to handle communication collaboratively instead of forwarding and CCing.

Proton Mail is a secure email service based in Switzerland that prioritizes user privacy. Unlike many popular email providers, Proton Mail uses end-to-end and zero-access encryption, ensuring that only you can view your emails and attachments, not even Proton itself. It actively blocks email trackers, preventing senders and advertisers from monitoring your activity and profiting from your data. Proton Mail is designed for individuals and businesses who value privacy and security in their digital communications. It offers features like hide-my-email aliases to prevent spam and phishing, password-protected emails for secure sharing with non-Proton users, and an Easy Switch tool for seamless migration from other email providers. The service is open source, independently audited, and protected by strict Swiss privacy laws, making it a trusted choice for secure and private communication on all devices.

Skiff Mail offers a secure and private email experience through end-to-end encryption, ensuring that only you can access your messages. It encrypts both the subject and content of emails sent between Skiff users, and external mail is encrypted upon receipt using your keys. This focus on privacy extends to features like unlimited aliases to protect your identity and blocking email trackers, opens, and hiding your IP address by default. Designed for individuals and teams who prioritize privacy and security in their communications, Skiff Mail provides 10 GB of free storage, which is more than many other encrypted email providers. It facilitates easy migration from other services like Gmail and Outlook with a 1-click tool. Users can also customize their email addresses with a privacy-first Skiff Domain or connect their own. Additional features include folders, labels, signatures, auto-reply, scheduled send, undo send, and team collaboration tools with advanced admin controls. Skiff Mail is transparent and open-source, allowing anyone to verify its encryption protocols.

Copper is a CRM designed for Google Workspace users, offering contact management, pipeline tracking, project management, and workflow automation natively integrated with Gmail and Google apps.

Spark Mail is an intelligent email client for Mac, iPhone, iPad, and Android. Smart inbox prioritizes important emails while bundling newsletters and notifications. Teams can collaborate on emails with shared drafts, assignments, and internal comments. Features include send later, snooze, and powerful search. Email templates save time on repetitive messages. A smarter way to manage email for individuals and teams.

Shortwave is an AI-powered email assistant designed to help individuals and teams manage their inboxes more efficiently. It leverages advanced AI to organize, schedule, write, and search emails, aiming to save users hours each day. The platform offers features like AI-powered filters, personalized email writing based on user style, intelligent autocomplete, and AI-driven search capabilities to quickly find information within emails and attachments. Beyond individual productivity, Shortwave facilitates real-time team collaboration with shared threads, private commenting within emails, assignment of next steps, and shared, AI-searchable email archives. It integrates with popular tools like Slack, Calendar, Notion, Asana, and Hubspot, allowing for automated workflows without leaving the inbox. For more extensive automation, Shortwave integrates with its sister product, Tasklet, to automatically draft replies, add team comments, and connect to over 3,000 apps, providing 24/7 workflow automation. Shortwave is ideal for ambitious teams and professionals looking to achieve inbox zero, streamline communication, and enhance overall email productivity through intelligent automation and collaboration features. It offers enterprise-grade security and utilizes the latest AI models to provide advanced intelligence for complex workflows.

Gmail is a free email service developed by Google. It provides users with a secure and reliable platform for sending and receiving emails, managing contacts, and organizing their inbox. With features like smart replies, spam filtering, and integrated video calls, Gmail aims to make communication more efficient and intuitive. It's designed for individuals, small businesses, and large enterprises, offering a robust solution for personal and professional communication needs. Key benefits include ample storage, powerful search capabilities, and seamless integration with other Google services like Calendar and Drive, enhancing productivity and collaboration.