Publishing a mobile app via app store is usually the only option. But what about SAAS apps? A big part of TeamCal's user base is coming from app stores. There are great app stores out there that might not directly target SAAS apps but can easily be used as a starting point to integrate your app. It's a great way to get new users.
There are a ton of other places for which we don't have an app yet. Leave a comment if you have some other good suggestions: