Adobe FrameMaker – Adobe FrameMaker 8 software is a powerful authoring and publishing solution for technical communicators and an essential upgrade for existing FrameMaker users who want to author and publish technical documentation in multiple languages, says Adobe. It supports Unicode, rich media, DITA and single sourcing. RoboHelp - The most sought after Help authoring tool (HAT). RoboHelp 7 now supports Unicode, translational workflow, importing Word files, importing FrameMaker files and styles, user defined variables, and powerful collaboration. Microsoft Word – Needs no explanation. Unstable for big documents. Interleaf – Competitor of FrameMaker. Wikipedia says Interleaf provides an integrated set of tools for creating compound documents: word processing, graphics, data-driven business charts, tables, equations, image editing, automated page layout, book building-- including automatic index and table of contents, and conditional document assembly. Arbortext - XML-based publi...