Software licenses
Beerware
Free
Free and open source software
Freely redistributable software
Open-source software
Proprietary software
Public domain software
Revenue models
Adware
Donationware
Freemium
Freeware
Commercial software
Nagware
Postcardware
Shareware
Delivery methods
Digital distribution
List of mobile software distribution platforms
On-premises software
Pre-installed software
Product bundling
Software as a service
Software plus services
Scams
Scareware
Malware
End of software life cycle
Abandonware