KDE e.V.
kturtle
FreeKTurtle: An Intuitive Programming Tool for Education
Windows
Umbrello
FreeComprehensive UML Modelling Tool for Windows
Windows
Haruna
FreeHaruna: A decent, open-source media player for Windows
Windows
Konsole
FreeComprehensive Overview of Konsole Terminal Emulator
Windows
Kontact
FreeKontact: A Linux Powerhouse for Personal Info
Windows
kalarm
FreeKAlarm: A Decent, Customizable Alarm App for Windows
Windows
RKWard
FreeRKWard: A decent R IDE, but is it enough?
Windows
kirigami-gallery
FreeKirigami Gallery: A decent widget showcase, if you use Kirigami
Windows
Blinken
FreeEnhance Your Memory with Blinken Game
Windows
Ruqola
FreeRuqola: A Feature-Rich Rocket.Chat Client
Windows
kbruch
FreeKBruch: A Comprehensive Fraction Practice Tool
Windows
akregator
FreeAkregator: A decent, no-frills RSS reader for Windows folks
Windows
KStars Desktop Planetarium
FreeComprehensive Astronomy Software for All Enthusiasts
Windows
Marknote
FreeMarknote: A decent, free, basic document manager for Macs
Mac
marknote
FreeEfficient Note-Taking with Marknote
Windows
Karp
FreeKarp: Does the job for basic PDF wrangling on Windows
Windows
NeoChat
FreeComprehensive Matrix Client for Secure Messaging
Windows
bovo
FreeBovo: Simple Gomoku fun, but needs more features
Windows
KTrip
FreeEfficient Public Transport Navigation Tool
Windows
Kasts
FreeKasts: A Versatile Podcast Application
Windows
Konversation
FreeFeature-Rich IRC Client for Windows
Windows
merkuro
FreeComprehensive Calendar and Contact Management Tool
Windows
Lokalize
FreeEfficient Localization Tool for Translation
Windows
Kile
FreeKile: A LaTeX editor that doesn't make you scream
Windows