react-router-lite
Similar to react-router
but leaner.
Also you can provide any string as a route:
import {Provider, Switch, Route} from 'react-router-lite';
<Provider route={'/any/string/goes/here'}>
<Switch>
<Route match="/any/string" comp={() => <div>hello world</div>}>
</Switch>
</Provider>
License
Unlicense — public domain.