Audio Software for Windows


AlgoRhythmia screenshot

AlgoRhythmia is a drum machine with sample playback and MIDI support. Supports beat programming and generates random drum patterns.

Bass Tuner

Bass Tuner screenshot

A free MIDI-based bass guitar tuning program for Windows.

Beat Composer

Beat Composer screenshot

A mobile drums workstation for iOS.


CheckBeat screenshot

A free software drum machine that can be programmed by checking boxes. Supports .wav-file-based sample playback.


DrumPads screenshot

DrumPads is a virtual drum kit that can be played with the mouse, keyboard, touchscreen, or MIDI controller.

Guitar Tuner

Guitar Tuner screenshot

A free MIDI-based guitar tuning program for Windows.

MIDI Player

MIDI Player screenshot

A free program for playing MIDI files.

Proxima Controller

Proxima Controller screenshot

A free virtual MIDI controller designed for playing sounds on external MIDI devices such as synthesizers, tone generators, and drum machines.


RoboBlather screenshot

A free text-to-speech synthesizer that lets you use your computer to read any text aloud. Allows saving the output to a .wav file.


SampliTron screenshot

A virtual software sampler with MIDI input and output support.


SigmaTizm screenshot

A free virtual additive synthesizer with MIDI input and output support.


SpaceTheremin screenshot

A free virtual mouse-controlled theremin.

Vorbital Player

Vorbital Player screenshot

Vorbital Player is a free OpenAL-based mp3, ogg vorbis, wav, aiff, snd, and wavpack music and audio file player.

Other Applications

We created a number of non-musical applications. Many of these are now managed by another company, Lambda Centauri.

ANSI Screen Editor - ANSI Screen Editor is a free application for editing ANSI and ASCII art.

Newline Removal Utility - A free program to remove newlines from text.

PixelSwapper - PixelSwapper, a free and easy to use image manipulation tool that supports PNG, JPEG, GIF, TIFF, ICO, and many other file formats.

Quick Tile Viewer - A free program that lets you easily visualize how an image will look when tiled.

Random Name Generator - A Windows software utility for generating names randomly.

The ThreeTeeth Browser - A simple web browser based on the Microsoft Trident engine.

TikBew - A Webkit-based multi-tab web browser. Replaced by WbBrowse.

ZC Dice - ZC Dice lets you simulate dice rolls and generate random numbers with any range.

ZC Trigram Generator - Generates new similar words derived from set of input words.

ZetaCalc - A free basic calculator program for Windows with history support.

Zeta Telnet - A telnet (terminal) client program for Windows.

ZetaWord - ZetaWord is a free Windows text editor.

We no longer support or distribute some of our older freeware desktop applications. Source code and installers for these apps are available on GitHub.

Drumming Dummy - Simple drum pad software.

Genre Playlist Builder - The Zeta Centauri Genre Playlist Builder lets you generate a playlist for songs of a specific genre from your music collection.

Song Length Finder - The Song Length Finder lets you search a large music library for songs of a specific length. It's handy for designing playlists of a specific length.

ZetaTag Auto-Renamer - The ZetaTag Auto-Renamer automatically renames a library of music files to match a standard format.

More than 1.2 million downloads served.