List of Free code LaTeX
Projects

DancTeX
This project is targeting the integration of LaTeX into VisusalStudio.

LaTeX Grapher
The goal of this project is to make a tool that facilitates making high quality two dimensional vector graphic function plots with a minimal amount of work. Features are added as needed.

latex2mathml
A .NET 3.5 library written in C# which allows the conversion of LaTeX documents to XHTML+MathML format. A standalone converter is included. The license is GPL v3.

Math View
This project realizes a math expression viewer for WPF/SL/RT that is fed by math description language parsers (LaTeX, MathML, ...).

ryf PDF report tools
ryf is a reporting tools or maybe something like latex inspired text processing that output to PDF.
ryf itself can be used in python, she doesnot use any weird package, and its run well on ironpython.
Maybe if someone crazy enough to translate it to VB or C#, well i'm learni...