- Building Zotsell
- Bheed Residente
- Buildingly
- Buildium
- BuildOps
- Infobric Field
- BuildSec 4.0
- BuildThing Admin
- BuildThing IAQ
- BuildTools 2.0
- Buildup
- BUILDUP.bautagebuch
- BUILDUP.mobil
- BuildYou
- Built Accounting
- BUILT-IN
- Builterra
- BuiltSpace Service Twin
- BuiltView Mobile
- Buj
- BuJo - Track Your Life
- Bulbes - lightbulbs memo
- Bulbul CRM
- Bulk File Redate
- Bulk Rename Tool
- Bulk Sms Plans
- Bulk SMS Sender
- BulkLoads.com
- BulkRadar
- BulkSMS Text Messenger
- Bulldozair
- Bullet: Bullet Journal & Diary
- Bullet Journal & Planner
- Bullet Journal Companion
- Bullet-Journal v2
- Bullet: Habits & tasks
- BULLETIN DE PAIE
- BulletsNote
- BulletVPN
- Bullhead City Direct
- Bullhorn Mobile
- Bullhorn Time & Expense Mobile
- BullKey - Convenient keyboard with number row
- BullochPBX
- Bulloneria
- Bullseye Auction & Appraisal
- BullsEye Metrics
- Bullseye TDP Communication
- BullsEye Unified Communicator
- Bullship
- Bulltick360
- BullVPN
- Bully Brokr
- Bully Button Parent-Kid
- Bulut Santral
- Bumbal Mobile
- Bumpr
- Bunch of Deals
- Bundle for MS Office Templates
- Bundle News: Breaking & Local
- Bunları Biliyor Musunuz
- BUNNI
- Bunny Photo Frames
- Bunsin - ブンシンが作れるアプリ
- Buoni Spesa
- Buoyancy Calculator