Wave 'Off The Grid' Chat! is described as 'Wave! Communicate with each other securely when you have no Internet connection or mobile phone coverage!' and is a Social Network in the Social & Communications category. There are five alternatives to Wave 'Off The Grid' Chat! for Online / Web-based, Android, iPhone, Facebook and Facebook Messenger. The best alternative is Briar, which is both free and Open Source. Other great apps like Wave 'Off The Grid' Chat! are Facechat (Free), NickEgo (Free), Bridgefy (Free) and WorldChat (Free).
An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.