- InterMedicum
- Telz International calling
- International Calls - Yolla
- IPSA Mobile App
- International Tiger Day Frames
- InterNations
- Internet News-Paper
- InterPals
- Interracial Cupid: Match, Chat
- InterSEA
- Interseed: House of Prayer
- Intersept Autônomo
- Intersept Condomínio
- Intertrad Hub
- Interview-questions
- Intervigía
- InvestingNote
- Invitation Card Collection
- Hobnob: Invitation Maker
- Invitations and Responds
- Invite - bring people together
- Invite Me Traveler Matchmaker
- Inviter
- Invitor. New Friends In Real.
- Involv Intranet
- IO Lettore
- Iota Kappa Lambda
- Iotec
- IOTI - link real to digital
- IOweU by 2genio.us
- IP Commander for iOS