- Site Monitor
- Sitemap Builder
- SiteMap Generator
- SiteMap Generator Lite
- Sitemap Plus
- SITPOS
- SKF Speed
- Skins For Minecraft PE
- Skor - FTC Scoring
- SL-Bus Swift library test app
- SLS Express
- Smart Guide - Screen Guide
- Smart JSON Editor
- Smart JSON Viewer
- Smart Mongo Pro
- Smart NFC
- Smart NFC Tools: Read & Write
- Smart PList Editor
- Smart Plug
- Smart QRCode - Read your code
- Smart Sanjoob
- 智显平台
- SmartConnect - for ESP
- Smartnest
- SmartZeplin
- SmoothTrack: Head Tracker
- SN Utils
- SnailFossil
- SnailGit Lite: Git for Finder
- SnailGit: Git for Finder
- SnailSVN Lite: SVN for Finder
- SnailSVN: SVN for Finder
- Snip : Snippets Manager
- SnipCode
- SnipperApp 2
- Snippet Holder
- Snippets Library
- SnippetsLab
- Snippit - Code Snippet Manager
- SnipX
- SNMP & SSH Terminal
- Snowflake Client by SQLPro
- Snowflower Diff
- SNUG Smart Ventilator
- SOAP-o-Matic
- Socket Debugger
- Socket-tcp/udp tool
- Soil Consolidation
- Sol Tracker
- Soothe
- SortingMatters
- Sound & Vibrate
- Sound Studio
- Soundcoder
- Source Code Counter
- Source Code Reader
- SourceDrop
- Sourcegraph for Safari
- Sourcery Pro
- SOVA Mobile App
- Spamlock
- Spck Editor
- Lifofinn
- Spectre VPN
- SpectreMail
- SpectroKit
- Speculid
- Speechable - Text to Voice
- Speechable Docs
- SpeedMaint
- SPIDriver
- Spinpass
- Splice
- Spliteb for Safari
- SPMX
- Eleevate
- Sprinkles – mod the web
- Sprite 1-2-3
- Sprite Basic 2 Game Coding
- Sprite Catalog
- Sprite Cutter+
- Sprite Slice
- Spаmsсаn: Dаtа Prоtесtоr
- SQL Flashcards
- SQL Play
- SQL Recipes
- SQL Recipes Pro
- SQL Studio
- SQLite Diff
- SQLite Names Extractor
- SQLiteUI
- SQLiteDirector
- SQLiteFlow - SQLite Editor
- SQLiteMaster
- SQLPro for MSSQL
- SQLPro for MySQL
- SQLPro for Oracle
- SQLPro for PostgreSQL
- SQLite Client by SQLPro
- SQLPro Studio
- SQLPro Studio database client
- SQLVault
- Squadcast Incident Management
- Squeezer
- Squircle: Round Icon Corners
- SRI Vcu
- SSH Client - Terminal Console
- SSH Config Editor
- SSH Copy
- SSH Proxy
- TermuXL Pro: SSH, SFTP, Shell
- SSHaking
- SSL Toolkit
- SSLRobot - SSL/TLS Checker
- SSNG
- ST100 Configuration Tool
- Stackitecture