Comparison of widget engines
This is a comparison of widget engines. This article is not about widget toolkits that are used in computer programming to build graphical user interfaces.
General
| Engine | Creator | Current Version | License | Status |
| Adobe AIR | Adobe Systems | 1.5 | Proprietary | Discontinued |
| AveDesk | Andreas Verhoeven | 1.3 | Proprietary | Abandoned |
| Dashboard | Apple Inc. | Proprietary | Retired | |
| DesktopX | Stardock | 3.5 | Proprietary | Abandoned |
| gDesklets | Martin Grimme and Christian Meyer | 0.36 | GPL | Abandoned |
| Google Desktop Gadgets | 5.0.0701.18382 | Proprietary | Discontinued | |
| Kapsules | Andrew Powell | 0.9.9 | Proprietary | Abandoned |
| KlipFolio | Serence | 5.0D | Proprietary | Active and supported |
| Microsoft Gadgets | Microsoft | Proprietary | Discontinued | |
| NetFront | Access Co. Ltd. | 4.2 | Proprietary | Discontinued |
| Netvibes | Netvibes | 1.0 | Proprietary | Active and supported |
| Opera | Opera Software | Proprietary | Discontinued | |
| Plasma | KDE | GPL | Active and Supported | |
| Rainmeter | Kimmo 'Rainy' Pekkola | GPL | Active and Supported | |
| Screenlets | Rico Pfaus | 0.1.5 | GPL | Abandoned |
| Serious Samurize | Gustaf & Oscar Lundh | 1.64 | Proprietary | Abandoned |
| SuperKaramba | Hans Karlsson | 0.39 | GPL | Abandoned |
| WebKit | Apple Inc. | ? | BSD+LGPL | Active and supported |
| WidSets | Nokia | Proprietary | Discontinued | |
| Yahoo! Widgets | Ed Voas, Michael Galloway, and Sam Magnuson | 4.5.2 | Proprietary | Discontinued |
| Engine | Creator | Current Version | License | Status |