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

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

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

KAddressBook stores all the personal details of your family, friends and other contacts. It supports large variety of services, including NextCloud, Kolab, Google Contacts, Microsoft Exchange (EWS) or any standard CalDAV server.

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

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 library provides an API and support code for managing mail transport.

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.

This library manages calendar specific actions for collection and item views.

This package provides a library containing itinerary data model and itinerary extraction code.

This package provides a library used to search in the Akonadi PIM data server. It uses Xapian for indexing and querying.

This library provides an API for managing user identities.

Kleopatra is a certificate manager and a universal crypto GUI. It supports managing X.509 and OpenPGP certificates in the GpgSM keybox and retrieving certificates from LDAP servers.

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

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.

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.

This package provides facilities for rendering OpenStreetMap multi-floor indoor maps.

This library provides the glue necessary for application "Parts" to be embedded as a Kontact component (or plugin).

Sieve is a language that can be used filter emails. KSieve is a Sieve parser and interpreter library for KDE.

This library provides an incidence editor for KDE PIM.

This package provided libraries for common KDE PIM apps.

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.

This package provides library to deal with Apple Wallet pass files.

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