- Dav2You
- Davenport Energy
- Davey
- Davez
- Davi
- Davinci Live
- DAVINCI-MOBILE
- DavinciMobile
- Davivienda Panamá
- Daviz
- DAW Control
- Dawal
- Dawam
- Dawammy دوامي
- Dawamy Employee
- Dawamy Management
- Dawar
- Dawmt
- Dawmt Kiosk
- Dawn - Minimal Calendar
- Dawn FurrowTechnik
- Dawn Simulator: Radio Alarm
- DawnLight - Sunrise Alarm
- Day Calculator Elite
- Day Count .
- 날짜 계산기 - 기념일계산기 및 카운트다운
- Day Counter
- Day Counter & Countdown
- Day Counter. Count Up & Down
- Day Interpreting
- Day of Week Genius
- Day Off - Leave Tracker & PTO
- Day One
- Day One 일기장: 비공개 다이어리
- Day Planner: Plan Your Time
- Day Stats – Your Goal Tracker
- Day To-do
- Day Tracker : Hours Calculator
- Day Translations
- Day Zero - Event Countdown
- Dayberry
- DayBook's
- Daybook Journal – Diary
- DAYBOX
- Daybreak: Time Tracking
- DayCalc - Note Calculator
- DayCalc Calendar
- DayCalc Pro - 노트 계산기
- DayCape
- Daycare Assistant Daily Sheets
- DaycareWebWatch
- Daycarium Kiosk
- DayCircle - 날짜 계산
- DayCount
- DayCircle - 날짜 계산
- DayCount
- DayCounter (D-day) 디데이 기념일 메뉴바
- DayCounter365
- 하루하루: 핵심은 자기관리
- DayEntry - quick diary, journal for Evernote
- Dayflect
- Dayforce
- Dayforce Learning
- DAYGO
- Dayliff App
- Daylight - Sunrise and Sunset
- Daylist - Build Good Habits, Track Your Progress
- Daylist - 나의 할 일
- Daylite
- Dayman
- Daymate
- DayMemo - 필기
- Daymera
- DayMinder
- DayMore: 모던 다이어리
- Daynamica
- Daynotes
- DayOne: Productivity
- Daypiece - Daily Planner
- Daypractice