Kontact is KDE’s integrated personal information management environment. Rather than replacing specialist applications with a monolithic editor, it presents several KDE programs through a unified window for handling correspondence, appointments, contacts and everyday planning.
The suite is particularly useful when diary entries relate to scheduled events or correspondence. KOrganizer supplies the calendar, task and journal capabilities, while the other components can be used without leaving the same desktop environment. People who prefer individual programs can also run the components separately.
Kontact works with standards-based information services and can be used offline for locally available data. A supporting Akonadi service handles much of the shared data storage, indexing and retrieval for its personal information applications.
This is free and open source software.
Key Features
- Combine email, calendars, contacts and RSS feeds in a common interface.
- Use KMail to manage email accounts and standard mail protocols, including IMAP and POP3.
- Schedule appointments, meetings, recurring events and to-do items with KOrganizer.
- Write dated journal entries through KOrganizer’s journal functionality.
- Configure calendar resources from supported groupware services such as Nextcloud and Kolab.
- Manage contacts with KAddressBook, including contact selection for messages and meeting invitations.
- Read, search and archive RSS and Atom feeds using Akregator.
- Use a summary view to monitor information gathered from installed components.
- Drag and drop suitable information between integrated components.
- Access supported remote groupware resources for shared calendars and address books.
- Benefit from KDE’s Akonadi framework for coordinated access to personal data.
- Run the individual PIM applications independently when the integrated workspace is unnecessary.
Website: kontact.kde.org
Support:
Developer: KDE PIM developers
License: GNU General Public License v2.0

KDE Kontact is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| Personal Information Managers | |
|---|---|
| Kontact | Unites mature and proven applications |
| Evolution | Integrated mail, addressbook and calendaring functionality |
| TagSpaces | Offline, open source, personal data manager |
| Org mode | Mode for the Emacs text editor |
| Makagiga | To-do manager, RSS reader, notepad, widgets, image viewer |
| TreeTag | Personal data manager |
| TreeLine | Stores almost any kind of information |
| BORG Calendar | Desktop calendar and task manager with scheduling and reminder features |
| Osmo | Includes calendar, task manager and address book modules |
| LXQt Organizer | Lightweight personal organizer for managing events, tasks, and contacts |
Read our verdict in the software roundup.
| Diary Apps | |
|---|---|
| RedNotebook | Daily journal with calendar, templates and keyword searching |
| Lifeograph | Off-line and private journal and note taking application |
| Kontact | Unites mature and proven applications |
| moodiary | Cross-platform diary application |
| jrnl | Simple journal application for your command line |
| Caps-Log | Terminal-based journaling tool |
| Mini Diarium | Local-only journaling application |
| TUI-Journal | Terminal-based journaling and note-taking application |
| Org mode | Powerful system for organizing projects, tasks and notes in Emacs |
| ThotKeeper | Cross-platform and hierarchical personal journal manager |
| Almanah Diary | Small diary application |
| Simple Diary | Simple and lightweight diary app |
| Journaler | Privacy-focused daily journaling app for recording personal thoughts |
| Daily You | Privacy-focused diary and journaling application |
Read our verdict in the software roundup.
| GUI-Based Calendars | |
|---|---|
| Nextcloud | Personal cloud storage, text editor, photo gallery, file share, calendaring |
| Kontact | PIM with good calendar support |
| Evolution | Provides integrated mail, address book and calendaring functionality |
| Calindori | Touch friendly calendar application |
| Merkuro Calendar | Kirigami-based calendar and task management application |
| GNOME Calendar | Simple and attractive calendar |
| StarCalendar | Full-featured international calendar |
| Orage | Graphical calendar for the Xfce Desktop Environment |
| Karlender | Adaptive calendar app for GNOME and Phosh |
| renCal | Modern, local-first desktop calendar application |
| AgenDAV | CalDAV web client which features an AJAX interface |
| gsimplecal | Simple and lightweight GTK calendar |
| Osmo | Personal organizer with calendar, task manager and address book |
| Pagume | Ethiopian calendar |
Read our verdict in the software roundup.
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