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Trojitá showing a list of e-mails
Initial releaseAugust 31, 2009; 12 years ago (2009-08-31)
Stable release
0.7[1] Edit this on Wikidata / 15 June 2016
Written inC++, Qt
TypeEmail client
LicenseGPL-2.0-only or GPL-3.0-only[a][2]

Trojitá[3] ([trɔjɪtaː]) is a free software IMAP and SMTP email client[4] developed using the Qt C++ library. The design goals of the maintainers are to develop a fast e-mail client which respects open standards, is cross-platform and uses the available resources very efficiently.[5][6]

Trojitá offers to manage contacts in the abook format, as introduced by the text-based user interface abook addressbook program.[7]

In Autumn 2012, Trojitá became a part of the KDE community.[8]


In 2006, the project started as a private exercise in programming[9] of Jan Kundrát. As a part of his studies, Trojitá became a topic of the author's bachelor[10] and master's[11] theses, making a debut in 2009.[12] In 2010, Jan was briefly contracted to work on Trojitá for a system integrator, but the project was cancelled for external reasons.[13] After Jan's graduation, the governance of the project opened up and Trojitá moved beneath the KDE umbrella.[14] As a part of the KDE community, Trojitá gained new contributors and was translated into thirty-three languages.[15]

Since 2012, Trojitá took part in two rounds each of Google Code-In[16][17] as well as Google Summer of Code[18][19][20] competitions. As of 2016, Trojitá includes contributions from more than sixty developers.[21]

Trojitá is the e-mail engine used for mail synchronization within the xTuple's Postbooks ERP project.[22] It was also planned to become the e-mail engine used in the Canonical's Ubuntu Touch mobile handsets[23][24] until Canonical forked the code.[25]


  1. ^ Or LicenseRef-KDE-Accepted-GPL: "Any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 14 of version 3 of the license."


  1. ^; retrieved: 18 June 2019.
  2. ^ "LICENSE". Retrieved 2021-06-29.
  3. ^ "Trojitá, a fast Qt IMAP e-mail client". Retrieved 2014-04-02.
  4. ^ [Posted January 12, 2011 by corbet] (2011-01-12). "Trojitá 0.2.9 released". Retrieved 2014-04-02.
  5. ^ "Trojita v0.3.93.2 (Pandora Application Port) › Pandora › PDRoms - Homebrew for you". 2013-09-28. Retrieved 2014-04-02.
  6. ^ Priya (2013-04-17). "Trojita – an Open Source mobile IMAP e-mail client | COGNIZANT". Retrieved 2014-04-02.
  7. ^ "Abook addressbook program".
  8. ^ "[Phoronix] Trojita Is Pulled In As A KDE Project". 2012-12-08. Retrieved 2014-04-02.
  9. ^ "Trojitá : Project Summary: Factoids". Ohloh. Archived from the original on 2014-01-07. Retrieved 2014-04-02.
  10. ^[bare URL PDF]
  11. ^[bare URL PDF]
  12. ^ Mathias Huber. "Trojita, ein neuer IMAP-Client auf Qt-Basis » Linux-Magazin" (in German). Retrieved 2014-04-02.
  13. ^ "jkt's blog: KWest GmbH to Sponsor Trojita's Development". 2010-04-10. Retrieved 2014-04-02.
  14. ^ "Gmane Loom". Retrieved 2014-04-02.
  15. ^ "KDE Localization - Apps » trunk-kde4 » trojita_common.po". Retrieved 2014-04-02.
  16. ^ "KDE - Home page". Retrieved 2014-04-02.
  17. ^ "KDE - Home page". Retrieved 2014-04-02.
  18. ^ "Archived copy". Archived from the original on 2014-01-14. Retrieved 2014-01-13.{{cite web}}: CS1 maint: archived copy as title (link)
  19. ^ "Project details".
  20. ^ "Project details".
  21. ^ "KDE QuickGit :: trojita.git/blob".
  22. ^ "Trojita Email Integration".
  23. ^ "E-mail app planning". The Summit Scheduler.
  24. ^ "First steps towards a converged email client for Ubuntu".
  25. ^ "Ubuntu Touch Fully Forks Its Email Client". Phoronix.