Develop open source android apps free by choosing the best performing app builders. We list some important factors to keep in mind: Reseller Option: The chosen open source application development software to make android apps should provide the option of reselling. Push Notifications: The best open source mobile development software for developing android apps should provide push notifications so that customers receive all alerts related to your app. Geo-targeting: This feature is useful if your apps cater to customers spread across different geographical locations. Integration with Social Media Platforms: Free mobile app development software should offer integration with the company's social media platforms so that customers can interact with your app on Facebook and Instagram and you can better market your app.