Aplikasi Perpustakaan Online untuk Rintisan

https://codecanyon.net/item/books4u-android-ebook-app-admin-panel/23901232 > tampilan cukup bagus

https://codecanyon.net/item/ebook-android-app-online-freepaid-book-paypal-admin-panel/24119642
https://codecanyon.net/item/android-ebook-app-with-material-design/21680614
https://codecanyon.net/item/ecombook-sell-your-online-ebooks-android/23931787
https://codecanyon.net/item/ebook-app-source-code-for-android/23759850
https://codecanyon.net/item/android-ebook-app/12371704

security protect pdf:
https://www.locklizard.com/purchase_digital_rights_management/
• EditionGuard	- https://www.editionguard.com/
• LockLizard	- http://www.locklizard.com/adobe-content-server/
• Datalogics	http://www.datalogics.com/products/eBook/acs/
• BlueFireReader	http://www.bluefirereader.com/adobe-drm.html
• FileOpen	http://www.fileopen.com/
• Webqem	http://www.webqem.com/solutions/eBook-digital-rights-management/




https://codecanyon.net/item/coco-book-ui-kit/22060259 > per project