Texstudio

Integrated writing environment for LaTeX documents

TeXstudio is a fully featured LaTeX editor, designed to make writing LaTeX documents as easy and comfortable as possible. Some of the outstanding features of TeXstudio are an integrated pdf viewer with almost word-level synchronization, live inline preview, advanced syntax-highlighting, live checking of references, citations, latex commands, spelling and grammar.

WWW http//texstudio.sourceforge.net/