AutoFormer+ di Mykola Onyshchuk

AutoFormer+ is a simple form filler. Once entered data could be saved as a template and next time all data will be filling into forms automatically. Also if you want enter some other information in the same form you can click on AutoFormer+ icon in toolbar and select "Save all fields" to save as an another template.
For custom form filling use another addon: InFormEnter+