- Skouted
- SKP.community
- Skred Messenger
- SKUAD ANTIDADAH
- SKV - Sức khỏe vàng
- Sky: Children of the Light
- SkyAir----Dji,Yuneec, Xiro, Ehang 3DR Aerial Photographer community
- Skyfie
- SkyLove – Dating and chat
- Skype
- SkyPhone - Voice & Video Calls
- Skyrock Radios
- Skyrocket Company社員アプリ
- Skytags - Hashtag Generator
- SKYTEL CALLY
- SKYTEL UC
- SkyText
- SkyTrac
- Skólafélag MS
- Sl8 Social Platform
- SLAM
- Slambook App
- Slamchat
- SlamDunk - Dribbble client
- SLANG Stickers
- Slap Or Clap
- Slap Red Hands.
- Slap: Sounds like a plan
- Slasher Horror Social Network
- SLCC Groups
- Sleeper - Fantasy Football
- Sleepover: Sleep to Compete
- Slick Hands Vol 1 by OG_moji
- Slick Hands Vol 2 by OG_moji
- Slide It - Escape
- Slide Maker - Photo SlideShow
- Slide Up - Games, New Friends!
- Slideshow Maker
- Slideshow Maker (SlidePlus)
- Slidor. 3D Photo of the VR era
- Slim Melden BEL combinatie
- Sling: Employee Scheduling App
- Slip Slap
- Slither Snake War
- Slither.AI vs Snake.AI
- SLLIK
- SloanGroups at MIT Sloan
- SLOG
- SLog - Sex Activity Tracker
- Slook
- Slothie