Protection PLUS and SoftwareKey SOLO
- Concept Software offers Protection PLUS, a software licensing toolkit that provides copy and network protection tools for software piracy and demo creation/trialware, as well as SoftwareKey SOLO e-commerce technology. By Concept Software.
- http://www.softwarekey.com/swk_products/solo/instant/

ActiveLock
- A control that can be used to protect programs against piracy. Supports locking program features that can only be unlocked via registration. By Nelson Ferraz. [Control, Open source]
- http://www.activelock.com/

ShareBlock
- A multiple user licencing management ActiveX control. By CBitSoft.
- http://www.cbitsoft.com/item.asp?SoftwareID=10

KeyboardControl SDK
- Allows custom Win32 applications to expand control over the Windows environment by adding the ability to filter out any keystroke or combination keystroke including PrintScreen, Alt+Tab, Alt+F4, Ctrl+Tab, Ctrl+Alt+Del, Alt+Esc, and Ctrl+F4, on all version
- http://www.meliorasoft.com/kits/

Sheriff
- ActiveX (OCX) control. The Sheriff Software Development Kit provides software developers with secure copy protection. Free evaluation copy available.
- http://www.sheriff-software.com

AppExpire
- An OCX component that allows shareware authors to add registration code functionality to their software. By Encom Incorporated. [Control, Commercial]
- http://www.encomsw.com/appexpireinfo.html

SoftwareKey Licensing System
- Concept Software offers ActiveX based software licensing toolkits that provide copy and network protection tools for software piracy, demo creation, trialware, and e-commerce.
- http://www.softwarekey.com/

Crypto++ SDK
- A software copy protection and licensing package. By Sampson Multimedia. [Control, Commercial]
- http://www.sampson-multimedia.com/

VBOLock
- Supports unlock code, and trial period. By MoonLight Software.
- http://www.moonlight-software.com/vbolock.htm