SharePoint Document Item Reordering is an invaluable and easy-to-use add-on that enables users to re-order the rank of list items in all types of SharePoint lists. Users are able to move any list items to any positions by simply clicking the buttons.
.NET RTF2Html/HTML2RTF Component - Nasosoft Transform v4.3 is a .NET component that provides document formts tranformtion for RTF, HTML, TEXT format and more. It supports RTF to HTML, RTF to TEXT, HTML to RTF, TEXT to RTF, and PDF to TEXT.
SharePoint Form Validation: client-side validation for SharePoint list field data, checking required field, regular expression and validating data range and compare.
Quickly cross-reference data from a list or site then apply a combination of filters to reduce the options presented in menus to eliminate error from incompatible values. Support look up information from "Date and Time" and "Number"columns.