KMail supports multiple accounts, mail filtering and email encryption. The program let you configure your workflow and it has good integration into KDE (Plasma Desktop) but is also usable with other Desktop Environments.

KMail is the email component of Kontact, the integrated personal information manager from KDE.

This package provides a library for accessing realtime public transport data and for performing public transport journey queries.

This library retrieves avatar images based on a hash from a person's email address, as well as local caching to avoid unnecessary network operations.

This package provides a parser for a MIME tree and is based on KMime. The goal is given a MIME tree to extract a list of parts and a list of attachments, check the validity of the signatures and decrypt any encrypted part.

Akregator is a news feed reader. It enables you to follow news sites, blogs and other RSS/Atom-enabled websites without the need to manually check for updates using a web browser. Akregator is designed to be both easy to use and to be powerful enough to read hundreds of news sources conveniently. It comes with a fast search, advanced archiving functionality and an internal browser for easy news reading.

This package provides libraries for importing mails other e-mail client programs into KMail and KDE PIM.

Ktnef is a library for handling data in the TNEF format (Transport Neutral Encapsulation Format, a proprietary format of e-mail attachment used by Microsoft Outlook and Microsoft Exchange Server). The API permits access to the actual attachments, the message properties (TNEF/MAPI), and allows one to view/extract message formatted text in Rich Text Format.

LibKGAPI is a C++ library that implements APIs for various Google services.

Zanshin is a powerful yet simple application for managing your day to day actions. It helps you organize and reduce the cognitive pressure of what one has to do in his job and personal life.

This package provides an assistant for the configuration of accounts in KMail.

This is a library for handling mailboxes in mbox format, using a Qt/KMime C++ API.

This package provides a textedit with PIM-specific features. It also provides so-called rich text builders which can convert the formatted text in the text edit to all kinds of markup, like HTML or BBCODE.

Kgpg manages cryptographic keys for the GNU Privacy Guard, and can encrypt, decrypt, sign, and verify files. It features a simple editor for applying cryptography to short pieces of text, and can also quickly apply cryptography to the contents of the clipboard.

Kalarm is a personal alarm message, command and email scheduler application for KDE.

It features:

• displaying alarms using your own text message, the text generated by a command, or a text or image file,

• audible alarm using a sound file,

• recurring alarm on an hours/minutes, daily, weekly, monthly or annual basis, or set it to trigger every time you log in,

• display alarms color and font customization, and

• support for multiple alarm calendars, which for example enables you to share alarms between a laptop and desktop computer.

Akonadi Contacts is a library that effectively bridges the type-agnostic API of the Akonadi client libraries and the domain-specific KContacts library. It provides jobs, models and other helpers to make working with contacts and addressbooks through Akonadi easier.

The library provides a complex dialog for editing contacts and several models to list and filter contacts.

libkleo is a library for Kleopatra and other parts of KDE using certificate-based crypto.

This package provides a tool for managing itinerary and boarding pass information.

This package contains Akonadi agents written using KDE Development Platform libraries. Any package that uses Akonadi should probably pull this in as a dependency. The kres-bridges is also parts of this package.

This package provides several libraries for messages, e.g. a message list, a mime tree parse, a template parser and the kwebengineviewer.

KOrganizer is the calendar and scheduling component of Kontact. It provides management of events and tasks, alarm notification, web export, network transparent handling of data, group scheduling, import and export of calendar files and more. It is able to work together with a wide variety of calendaring services, including NextCloud, Kolab, Google Calendar and others. KOrganizer is fully customizable to your needs and is an integral part of the Kontact suite, which aims to be a complete solution for organizing your personal data. KOrganizer supports the two dominant standards for storing and exchanging calendar data, vCalendar and iCalendar.

This package provides a library for arsing of digital vaccination, test and recovery certificates.

The Kaccounts Integration library provides online account management system and its Plasma integration components.

Akonadi Data import Wizard is an assistant to import external PIM data into Akonadi for use in KDE PIM applications.

This library provides an API for handling MIME data. MIME (Multipurpose Internet Mail Extensions) is an Internet Standard that extends the format of e-mail to support text in character sets other than US-ASCII, non-text attachments, multi-part message bodies, and header information in non-ASCII character sets.