- Synovel Spicebird
- Synpad
- SynPad 1.2.11.56
- SynPad 1.2.11.62
- Synqit
- Synqit 1.13
- Synrc Contacts 2.0 Beta
- Synrc Io
- Syntactic Tree Designer 1.0
- Syntainia 0.2.0.0
- Syntainia 0.5.0.0
- Syntax Assist
- Syntax Diagram Editor and Compiler
- Syntax Diagram Editor and Compiler 2.05.00
- Syntax Directed Development Studio 2.01.12
- Syntax Highlighting
- Syntax Suite 3.53
- Syntax Terror 1.02
- Syntax2D 1.3.0.7
- Syntaxer
- SyntaxHighlighter for Windows Live Writer 2.1.1
- SyntaxHTML 1.21
- SYNTCHECK 2.1
- Syntcheck French Spellchecker
- Syntcheck German Spellchecker
- SynteView 1.0
- Syntex Serna Enterprise 4.1.0-20090219
- Syntex Serna Enterprise 4.4.0-20111103
- Syntext Serna Free
- Syntext Serna Free 4.2.0 Build 20090715.0
- Syntext Serna Free 4.4.0 Build 20111114.0
- Synth Pack Pro (Mac OS X) (Hydra/Scorpion/PS/Poly850) 4.0
- Synth Pack Pro (Win PC) 149.00
- SynthEdit 1.1590
- SynthEdit 1.1850
- SynthEdit Software Development Kit 3.0
- SynthEditor 0.1.1 Beta
- Synthesia
- Synthesia 0.7.5
- Synthesia 0.8.1
- Synthesia 0.8.2
- Synthesia Portable
- Synthesis - Multimedia Presentation Software for PC 1.2
- Synthesiser 1.00.114
- Synthestra 0.1410
- Synthetic Auditor
- Synthetic Wallpaper 1.0
- Synthetics - World 1 demo
- Syntheway Aeternus Brass VSTi
- Syntheway Aeternus Brass VSTi 1.0
- Syntheway ElectriKeys e-Piano VSTi 1.0
- Syntheway Harmodion VSTi
- Syntheway Harmodion VSTi 1.0
- Syntheway Master Hammond B3 VSTi
- Syntheway Percussion Kit 1.0
- Syntheway Percussion Kit VSTi 1.0
- Syntheway Strings VSTi 2.0
- Syntheway Strings VSTi 2.5
- Syntheway Virtual Sitar VSTi 1.0
- SynthEyes