Below you can find some alternatives to Skype in Oman. However, you still need a VPN to use them.
Facebook Messenger
Facebook Messenger is cool application for voice calling from such a giant as Facebook (the world's largest social platform). It is available for iOS, and Android both platforms. Facebook Messenger can be an excellent opportunity to talk to your close people.
WhatsApp Messenger is another messaging application from Facebook owners. It is also available for iOS, Android, and other mobile platforms. WhatsApp can be connected via phone's Internet connection (mobile data or Wi-Fi, as available) Using WhatsApp you can not only send and receive messages, but also made voice and video calls, send photos, and others.
Wickr
Wickr is fun top secret messenger application to send the disposable messages, and send free end to end disposable text, videos, and picture and voice messages with full sender control. You can set the time to restrict when you deliver the message to other people. If the individual doesn't view you message it will disappear.
WeChat in one of the most popular messaging applications in China. Voice and video calls, text messages are also available in this application.
Tango
Tango lets you to make free voice and video phone calls. You can also send free text messages and photos, videos, or even status updates.
Kik Messenger
Kik is a great messenger, however, there is no calling features.
Groupme
Groupme is perfect for team chats.
KakaoTalk Messenger
KakaoTalk Messenger is very convenient tool for communications one to one and for groups as well.
Telegram
Telegram is an application for text messaging. It provides high speed and security. You can also send photos and video using this tool.
Threema
If you are looking for a security, Threema is definitely will be liked by you. This is the world's preferred messenger for safety communications. It also maintains your data from the hands of cyber-terrorist, corporations, and government authorities.
LINE
LINE is a fantastic tool for communications. It is great because it is available not only for mobile platforms but for PC as well.
Viber
Viber is very convenient and easy tool for video calls and messages. Works fine for groups and one to cone conversations.
Hangouts
Google Hangouts is a great service for text messaging. Can be used on Android and iOS, as well as on other platforms.
Nimbuzz
Nimbuzz is a popular application for chats and calls.
BBM
Blackberry Messenger is perfect for chats, voice calls, image sharing, voice notes, and many other great features. Can be used on iPhone, Android, and Blackberry.
Hike Messenger
Hike Messenger lets to send text messages, stickers, pictures, videos, audios, files, voice messages, emoticons, 3d stickers, and others. Can be used on Windows, iOs, Android and other platforms.
IMO
IMO is one of the best instant messaging applications for mobile phone users Video calling and messaging makes is a very useful tool for staying in touch with your family and friend
Used materials from https://aeroshield.me/how-to-unblock-skype-in-oman/