Top Upstream alternatives

Mail Butler

Mail Butler is an email plugin that enhances your inbox with features like AI assistance, email tracking, scheduling, and contact management for better productivity.

Gmail

Gmail is an email app for sending, receiving, and organizing messages, with search, multi-pane view, Smart Compose/Reply, and integration with Google Chat, Meet, Calendar, and Drive.

Microsoft Outlook

Microsoft Outlook combines email, calendar, and contact management, letting you organize messages, schedule meetings, manage contacts, and track events.

Zero

Zero is an AI email client that automates inbox management, offering features like AI writing, summaries, and auto-labeling for efficient email handling.

Success.ai

Success.ai is a cold email platform that provides tools for lead generation, email sending, and AI-assisted writing, aimed at enhancing outreach and improving email deliverability.

Yahoo Mail

Yahoo Mail is an email service that allows users to manage their emails, contacts, and calendar through a web and mobile interface, with customizable features and ample storage.

Superinbox

Drafts email replies in your writing style and organizes Gmail or Outlook inboxes by prioritizing and categorizing messages, with one-click setup.

iCloud Mail

iCloud Mail allows users to send, receive, and organize emails on Apple devices. It offers features like spam filtering, privacy protection, and AI-powered email categorization.

Duet Mail

Duet Mail is an AI email assistant that drafts responses, summarizes emails, categorizes messages, and sets reminders to streamline email management.

Outlook Business

Outlook Business is a web-based email management tool that integrates email, calendar, contacts, and tasks for efficient communication and collaboration.

Notion Mail

An email app that helps organize inboxes, sort messages, draft emails, and manage meetings in one place, with Notion integration.

Titan Email

Titan Email is a business email service designed for professionals. It offers features like scheduling, reminders, and integrations for efficient communication and productivity.

Proton Mail

Proton Mail is a secure email app offering end-to-end encryption, privacy-focused features, and integration with third-party clients.

HEY Email

HEY Email is an organized email management app that prioritizes messages, screens unwanted emails, and integrates with a calendar for streamlined productivity.

AOL

The AOL app offers an email service with features for organizing emails, security measures, mobile access, and integration with news and calendar services.

InboxPilot

InboxPilot sorts team emails in Gmail and Outlook, routes them, and drafts replies using connected business information for review or workflow-based sending.

QQ邮箱

QQ邮箱 is an email app providing reliable communication services with features like attachment support, calendar, and integration with Tencent services.

Email Genius

Email Genius is an AI-driven platform that segments audiences and personalizes email content to improve engagement and conversion rates for eCommerce and service providers.

Slashy

Slashy manages email, meetings, and follow-ups, drafting replies in your style, summarizing threads, and tracking messages that need attention.

Fastmail

Fastmail is a paid email service for individuals and organizations, offering features like calendar, contacts, and file storage with a focus on privacy and data protection.

Mailient

Mailient is an AI email assistant for Gmail that identifies important messages, organizes follow-ups, and drafts replies in the user’s voice.

AOL Mail

AOL Mail is a free web-based email service for managing emails, providing features like spam filtering, calendar integration, and support for other email accounts.

mail.com

The mail.com app combines secure email management and cloud storage, allowing users to access multiple email accounts and store documents on their smartphones.

Yandex Mail

Yandex Mail is an email service with features like spam protection, sorting, cloud storage, and custom domains for personal and professional use.

Mail.ru

Mail.ru is a free email service with unlimited storage, spam protection, and mobile access, offering news, search, and various services within the app.

Clean Email

Clean Email helps users efficiently manage and organize their inbox by automating email cleanup, categorizing messages, and enhancing privacy.

Zoho Mail

Zoho Mail is a secure email hosting service for businesses with collaboration tools for efficient communication and integration with other Zoho applications.

Рамблер/почта

Rambler/Email is an email client that consolidates multiple accounts into one interface, providing tools for organizing and managing emails efficiently.

Hostinger Webmail

Hostinger Webmail is an email hosting solution that allows users to create domain-based email addresses, providing secure and organized email management.

Aruba.it Webmail

Aruba.it Webmail is a web-based email service for managing emails, calendars, contacts, and tasks from any device with internet access.