The Stats
| jQuery Core | MooTools Core | |
|---|---|---|
| Library Size | 55.9K | 64.3K |
| Features | ||
| License | MIT & GPL | MIT |
| DOM Utilites | yes | yes |
| Animation | yes | yes |
| Event Handling | yes | yes |
| CSS3 Selectors | yes (a subset) | yes (a subset) |
| Ajax | yes | yes |
| Native Extensions (excluding Element) | about a dozen for Array, Object, and String | about six dozen for Array, Object, String, Function, and Number |
| Inheritance | Not supported directly with jQuery | Provided with Class constructor |
| Other Considerations | ||
| plug-ins | Hundreds of unofficial plug-ins in a directory at plugins.jquery.com | Roughly 4 dozen official plug-ins available at mootools.net/more. Unofficial plugin directory at mootools.net/plugins. |
| Official UI library | yes | no |
Information based on data from jquery.com, mootools.net, and wikipedia.com.
