Tools

HKPGEN Plugins Generator - http://www.chami.com/html-kit/devtools/
Visually design plugins for HTML-Kit and automatically generate source code in .NET C#

RapTier - http://www.sharppower.com/
A template-based C#, VB.NET, and SQL code generator for multi-tier development. [Shareware]

MonoDevelop - http://www.monodevelop.com/
A project to port SharpDevelop to Gtk#.

Free Compiler Writing Tools - http://cis.paisley.ac.uk/crow-ci0/#research
Provides C# source for tools written in the tradition of lex and yacc, redesigned in an object-oriented way. By Malcolm Crowe.

eXtensible C# - http://www.resolvecorp.com
Provides attribute-based declarative assertions, partial based code verification and obfuscation for C#. Free download.

C-Sharpener For VB - http://www.elegancetech.com/csvb/csvb.aspx
A Visual Studio addin that converts VB.Net projects to C# projects. [Commercial, free conversion service for open source projects]

OCL (Open CLI Library) - http://sourceforge.net/projects/ocl/
Intel Labs C# implementation of portions of the CLI (Common Language Infrastructure) runtime library as defined in the draft ECMA CLI specification.

Nini - http://nini.sourceforge.net/
A software configuration library written in 100% C# for the .NET Framework. This software includes a concise API for abstracting the access of multiple configuration types: INI, .NET config files, registry, XML files, and command-line options. [Open source, MIT License]

OpenGL for C# - http://csgl.sourceforge.net/
Provides C# wrapper for OpenGL and SDL along with some tools.

db4o - http://www.db4o.com/
An object database written in C# for the .NET platform. Also exist Java version.

Instant C# - http://www.tangiblesoftwaresolutions.com/
Convert VB.NET code to C# code at the project and code snippet levels. Description, sample screenshots, and ordering information. By Tangible Software Solutions Inc.

Prof-It for C# - http://dotnet.jku.at/projects/Prof-It/
A standalone profiler for C# that measures execution frequencies for each statement while keeping the instrumentation of the source code to a minimum. [Open source, GPL]

Blue Ink - http://www.blueink.biz
A C# application generating software program that decrease development time for database enabled web applications. [Commercial]

Improve C# plugin for Eclipse - http://www.improve-technologies.com/alpha/esharp/
Free open-source plugin for Eclipse (itself a free and open-source development environment) with syntax highlighting, content assistant (intellisense for C# keywords), and ability to compile code from within the IDE.

Antechinus - http://www.c-point.com/c_sharp_editor.php
A programmer's editor that supports color-coded syntax of the C# programming language. By C Point Pty Ltd.

C# Rapid Development Kit - http://www.recursionsw.com/Products/csharp.html
A series of advanced collections and more than 50 generic algorithms that are designed to complement, not replace, the basic features found in the .NET Framework. [Commercial]

Sharp Develop - http://www.icsharpcode.net/OpenSource/SD/Default.aspx
Free C# editor.

Clover.NET - http://www.cenqua.com/clover.net/
Clover.NET provides code coverage for .NET projects. Measures method, statement and branch coverage. reports in XML, HTML or via Visual Studio Plugin. A suite of NAnt tasks are provided. [Free for Open Source and Non-commercial projects]

Tangible Architect - http://www.tangiblearchitect.net
Generates the data access layer for C# application and the database schema from within Visual Studio.NET .

Compilr - http://www.compilr.com/
A web based compiler and IDE for C# code. Includes news, features list, and FAQs. (Requires registration.)

Help build the largest human-edited directory on the web.

Submit a Site - Open Directory Project - Become an Editor

Domain Tools analysis of DMOZ top listed domains