!Reinvent Extending Qt5 with Open Source Qt Developer Days 2013 Carl Symons Background Transitions Details What's in it for you Carl Symons Large and small tech companies Start-ups; frugal Free/open user & contributor Grassroots LinuxFest KDE News; MWG KDE Technology Platform KDE Flat, lean Democratic Well known & respected Innovative Regular people Largest Participant 20% retention 1 /3 KDE & Qt Part of KDE from the beginning Qt (5/95), KDE (1 0/96) KDE Free Qt Foundation (1 998) Early & largest external Qt user Fill gaps in Qt framework Committed to Qt So ... Sustainable development in a thriving, venerable community Reliable legal backing Quality (extensive use and testing) Permissive licensing Business friendly Transitions The Qt Project (open governance) Qt5 / KDE Frameworks 5 Frameworks 5 Monolithic > Modular Whatcom Sehome Bellingham Fairhaven Incremental Consolidation Frameworks 5 Each function is distinct Move KDE capabilities to Qt Mostly transparent to users Soft Stuff As important as technical Easy to understand and work on More people can contribute Shared responsibility Available to all Qt developers Recruiting value Tiers Refer to link-time dependencies Tier 1 depend only on Qt official frameworks or system libraries Tiers 2 and 3 can depend on same level or lower tiers Types Functional Qt Addons no runtime dependencies; drop-in functionality KArchive—file compression/extraction Threadweaver—multi-threaded code KPlotting—simple plotting KConfig—configuration settings Types Integration Qt Addons optional runtime dependencies; integrate with underlying OS/Platform Integration Qt Addons Sonnet spell checking, grammar, automatic language detection, multilingual tools, dictionary, thesaurus Solid hardware detection and information storage devices and volumes, CPU, battery status, power management, network status and interfaces, Bluetooth Types Solutions mandatory runtime dependencies; e.g., scalability, resource sharing KIO—local & remote file browsing and editing KService—advanced features for plugins (user's preferred PDF viewer) K Others QtMultiMedia module QtGStreamer module Kross scripting framework Qt Configuration much more at inqlude.org KArchive – create KArchive – create KArchive – read, uncompress KArchive – read, uncompress Thank you Aaron Seigo So ... Atomicity–each does 1 thing well At the leading edge of Qt Valuable source of Qt expertise Open to any and all Qt developers Provide direction Recruiting Cross platform • Comprehensive PC environment • Wide range of applications • User eXperience technology stack for tablets and other consumer devices Imagine what goodies KDE might have for you Resources inqlude.org kde.org manifesto.kde.org community.kde.org/Getinvolved community.kde.org/Frameworks [email protected].