- Dear Aunt Sally
- Dear Teacher
- Dearborn Free Methodist Church
- DEARWONDER
- Death By Spell Check - a quick spelling game
- Debatable | Debate Competition
- Debate Coaches/Teachers
- Verba | Public Speaking Coach
- Debate Parents
- DebateX
- Debit and Credit - Accounting Game
- Deborah Ministries
- Debt Rescue
- Debugging and Exception Guide
- DEC
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- DeCarley Trading
- Decatur Central HS Athletics
- Decay Tree
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- Decibel Match
- Decibel X PRO - 专业噪声计和声压级
- Decibel X - 专业分贝仪噪声检测计和声压级
- Decide Now! Lite
- Decide Now!
- DecideOnSeats
- Decija Akademija
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- Decimal To Fraction Converter
- Decimal to Fraction Converter+
- Decimal To Fraction Plus
- 明智地思考
- Decision Matters
- Deck - Flashcard Learning App
- Deckerville Community Schools
- Decks!
- Decku Flashcard Maker
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- Words: Language Flashcards
- Declaration
- Declaration for iPad
- Declaration of Human Rights
- Declutter The Mind Meditation
- Decodable Readers Australia L1
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- Decodable Readers Australia L3
- Decodable Readers Australia L4
- Decodable Readers L1 Sample
- Decodable Readers L2 Sample
- Decodable Readers L3 Sample
- Decodable Readers L4 Sample
- Decodable Readers L5&6
- Decodable Readers L5&6 Sample
- Decodable Readers L7&8
- Decode Mobile
- Decoding Chart - Flip
- Decoding Golden Mirror
- Decodoku
- DECOM
- DecoPlanner mobile
- Decora-Net Custodian
- Decorate Alphabets
- Decron Club
- DEC学习云
- DED NLSIU - Edchemy