Scifi·Gen
Procedural-generation tools for worldbuilders. Pick a tool.
Tools
Language GeneratorConstruct languages, then name everything in your world with themCalendar BuilderShape your world's calendars: months, leap rules, names in your own languageStar System GeneratorGenerate star systems from a seed, then shape every world in themPlanet GeneratorEnter any world from your systems and see its full surfaceGalaxy GeneratorGenerate whole galaxies: stars, hyperlanes, and the systems inside them