ArrowVortex can be used to create or edit stepfiles for various rhythm games, such as DDR, ITG, PIU, Stepmania, and Osu. It started out as a hobby project by Fietsemaker, aiming to create a modern stepfile editor inspired by the designs of both DDReamStudio and the Stepmania editor.

Library and tool to preview RandomMovies and BGAnimations when creating BGScripts or charts for StepMania 5+.

Stependous is a utility which facilitates the creation of DWI files for use in your DDR simulator. Its goal is to be an all-in-one solution for creating step files that is easy for anyone to use.

anyMania is a... 'tool'? It's more a auto step generator/player that detects from songs, similar to StepMania's Autogen. Probably one of the only tools to have a paid version. At least it was rated 5 cows on tucows.

DDreamStudio is a stepfile creation tool by Jyris1, free79asia and Jussi Kujala, which had its development from 2004 to 2009. A lot of later versions of this program are missing, so if you happen to have any of the ones listed here without a download link, please contact me on the 'About' page.

A song library management utility that can help with toggling/hidding songs from your StepMania directory.

Tools to encrypt and decrypt Mungyodance 3 .YIF archives.

A rework of the texture font generator from SSC by Squirrel to support the new font mappings provided by StepMania OutFox. Starting in v0.3, it adds support for legacy font mappings for earlier versions of StepMania.

A command-line/graphical tool that generates steps based on the audio. It analyzes the music it is given to determine when and where to place arrows.

An open source SMO server written in Mono C# by Codecat so you can fire up a StepMania Online server of your own.

This project is intended as a small application to automate some tasks for translators. It is able to parse, analyze and fix the StepMania translation files.

Have you ever tried to translate a program like Stepmania and wondered "Hmmmmm, now where can I find that line in the .ini?" Now there's no need to wonder! This program will make a translator view file for your translation .ini and make you translation job easier.

Utility to view charts from .DDR or .MSD files.

Translate Project Moondance with the same style StepMania uses for its translations.

A DWI Chart Creator, not editor. It doesn't have the ability to import DWI simfiles, although it can save and load in its own format (.xstep). Requires Winamp 2.x (Audio playback) and DWI/StepMania (Play testing) to run.