Please follow the links to access various services of hindi wikipedia-
Online Tool for Hindi Typing
Hindi Word processor/tool
Devanagri Fonts
Script Converter Tool
Dictionary
Text to Speech Software
Hindi Softwares
Devnagari Learning Tools and softwares
Mobile Computing
Hindi search Engines help
Software for Hindi Typing
Hindi spell-checkers software
Font converter Tool
Hindi Directory
Hindi Translation softwares and tool
Hindi programming system
Hindi learning Tools and Softwares
Hindi Email and Chat services
Hindi SMS
Hindi Internet