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Top Rated Email Management Software with Open source - Page 15

Last updated: October 2026

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469 software options

PriorityEngine logo

Spend less time managing email and more time running busines

PriorityEngine helps you stop switching between inboxes and browser tabs by bringing your most important business emails into one organized workspace. Find urgent messages, customer requests, invoices, and follow-ups faster so you can spend less time sorting email and more time getting work done.

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EmailEngine logo

Email client for apps

EmailEngine is a self-hosted email automation tool that easily integrates with email accounts using its intuitive HTTP REST API. It sends and receives emails, monitors accounts, and provides webhook notifications for events.

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Zoho ToDo logo

Application for creating, tracking, and managing tasks

Zoho ToDo is a task management tool designed to help businesses create and manage tasks. With Zoho ToDo, you can effortlessly organize, collaborate, and track your tasks via a unified portal. Whether you're working on personal projects or collaborating with a team, the application provides a streamlined workflow that helps you stay on top of your tasks.

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M365 Manager Plus logo

Management, reporting, auditing, and monitoring of Microsoft

M365 Manager Plus is a reporting, auditing, monitoring, management, and security solution for Microsoft 365. Designed for businesses of all sizes, it helps users manage Exchange Online, Azure AD, Microsoft Teams, OneDrive for Business, and other services from a centralized dashboard.

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XCAMPAIGN logo

Industry-independent solution for email marketing.

XCAMPAIGN is an email marketing solution designed to support companies wishing to acquire new customers and/or maintain existing customers. Various functions for analysis, dispatch, and addressing target groups are available for this purpose.

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Fluxmail logo

Email tools for apps and AI agents

Self-hosted email API, MCP server, and CLI for apps and AI agents using Gmail, Outlook, or IMAP/SMTP accounts.

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Ready to Send logo

Cloud-based tool for auto-generated email replies

Ready to Send is a Gmail add-on that uses AI to draft email replies automatically. It works across desktop and mobile platforms, crafting draft replies that match users' unique communication styles. Ready to Send Gmail integration tool adapts users' voices and tone from previous emails to create resonate AI email responses.

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BitRecover Outlook Duplicate Remover Tool logo

Remove Duplicate Emails from Outlook PST Files Easily

BitRecover Outlook Duplicate Remover Tool removes duplicate emails from Outlook PST files, helping users clean and organize mailbox data. It provides duplicate email detection, multiple comparison options, mailbox folder support, email preview, selective deletion & bulk duplicate removal.

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IntraHub logo

Project management tool with time tracking and data security

IntraHub is an interactive and transparent project management system that provides team organization, company communication, and document storage. IntraTime is a flexible time recording and invoicing module that allows users to define how your working hours are recorded and automatically creates individual invoices for every employee. The IntraTime module also includes tools for coordinating and managing your employees, including statistics and evaluations.

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SkimAI logo

Streamline Emails with AI Precision & Security

SkimAI: Advanced AI email management with smart scheduling, personalized drafting, secure data integration, and prioritization for enhanced productivity.

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Sales Prophet logo

The easiest way to find your next customer!

Sales Prophet is a dynamic sales and marketing automation platform boasting a vast database of over 80 million B2B contacts.

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