Apps to Integrated Email Client

Windows Essentials was a discontinued suite of free applications from Microsoft, providing tools for popular online activities like email, instant messaging, photo management, movie editing, blogging, and cloud storage, all tightly integrated with Windows.

IQTELL is a comprehensive productivity application designed to centralize email, tasks, projects, calendars, contacts, and notes. Based on the Getting Things Done (GTD) methodology, it provides a unified workspace to manage disparate information and workflows efficiently, helping users regain control and focus.

SoftMaker FreeOffice is a powerful, free office suite providing essential applications for word processing, spreadsheets, and presentations. It offers high compatibility with Microsoft Office formats and includes features like PDF export and a built-in email client, making it a robust alternative for daily productivity.

Opera Mail, formerly known as M2, is a versatile and lightweight email and news client developed by Opera Software. It offers a unified approach to managing email, news feeds, and contacts with a strong emphasis on organization and speed.