Difference between HR Forms Smartforms sapscript and PE51

Question

Hai all,
  Could anyone give me the exact difference between HR Forms Smartforms sapscript and PE51.
Thanks in advance,
S.Jenibalet.

Answer 1

HR Forms
The Layout Editor can be used is Adobe Designing tool or Smart form Tool.
The HR Forms Workplace (which will be called the Forms Workplace from now
on) will enable you in future to create flexible reports with an attractive layout for HR master data,
personnel time data, and payroll results.
Smartforms
SMARTFORMS as the SAPScript successor tool is also used to generate formatted documents which can contain logos, tables and other formatting objects. And this documents can look like a pre-printed documents that normal ABAP codes cannot possible.The SAP SmartForms replace the SAPscript forms. SAP SmartForms offer the following advantages: 1)Creating and maintaining forms requiring half the time 2) Adapting forms without any programming knowledge due to entirely graphical user interface 3) Web Publishing using the generated XML output Here you will get some SAP SMARTFORMS tutorials and PDF guides to download.
You use SAP Smart Forms to create and maintain forms for mass printing in SAP Systems. As
output medium SAP Smart Forms support a printer, a fax, e-mail, or the Internet (by using the
generated XML output).
sapscript
SAPSCRIPTS are used to generate formatted documents which can contain logos, tables and other formatting objects. And this documents can look like a pre printed documents that normal ABAP codes cannot possible. SAPscript comprises these five components: 1)an editor for entering and editing the lines of a text. 2)styles and forms for print layout. 3)the composer as central output module. 4)a programming interface 5)several database tables for storing texts, styles and forms. Here you will get some SAPSCRIPTS tutorials and Pdf guides to download.
PE51
There are Limitataions for PE51.You can use only for HR module specifically for Payroll.