- Sea Level Rise
- Sea Shell - Content Media
- Sea Shepherd Deutschland
- Sea-Connect
- Sea-Doo Forum - For PWC enthusiasts
- Seabrook Alumni
- SeaiTT
- Seakr Care
- Seal Live-Live Stream,Go Live
- Seamoji - Fish Emojis
- Seamoji - Sea Animal Emojis
- Search for People
- SearchBob
- SearchBooks
- Seasoned: Jobs & Community
- Seating-Chart
- Seattle Shakespeare Company
- SEBC
- SEBO2GO
- SEBO2GO
- SecEMS : Secure Messaging
- Secertify
- Secluded
- Second Life by 101
- Second Texting Number
- Secopi Portaria Autônoma
- Secret - Discover Secret Posts
- Secret Admirers
- Secret Crush - Send Love Notes
- Secret Delivery
- Secret DJ
- Secret Flirt
- IdealFor
- Secret Message: Locked Message
- Secret Messenger
- Secret Messenger For Desktop
- Secret Santa Friend
- Secret Santa Helper App
- SecretCHAT
- SecretsApp - anonymous stories
- Secretwall - Интересное рядом!
- secret秘密SNSはライブ配信でチャットやビデオ電話可能
- Section H™ mStore - Buy & Sell
- Section H™ wStore - Buy & Sell
- SECU+
- SecuCred
- Secufy Connect
- Secure Explorer for Google Apps Free - The Secure & Best All-in-One Gmail, Talk, Facebook, Twitter a...
- Secure File Sharing Web Server
- SecureAppy: Family Vault
- Security Lock System for Facebook - Safe with password locks
- Security Lock System for Social - Safe with password locks
- Security Master Condomínios
- Securus Mobile
- SecuWine Messenger