KOPICS is described as 'Select and combine parts to create manga-style illustrated characters'. There are three alternatives to KOPICS for Windows, Online / Web-based, Self-Hosted solutions and Steam. The best alternative is The Character Creator, which is both free and Open Source. Other great apps like KOPICS are ePic Character Generator (Freemium) and Character Creator 2D (Paid).
The Character Creator is a front-end interface for creating characters in SVG from a series of menus presented to the user. Characters can then be exported (downloaded) and used in games, comics, websites, etc.
Create and customize 2D characters easily for your game. With Character Creator 2D you can create anything from simple peasants to epic heroes. Equipment is colorable, allowing more freedom and creativity when creating your characters.