Sharik is described as 'open-source, cross-platform solution for sharing files via Wi-Fi or Mobile Hotspot' and is an app in the File Sharing category. There are seven alternatives to Sharik for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Mac, Windows and Linux. The best alternative is ShareDrop, which is both free and Open Source. Other great apps like Sharik are Snapdrop (Free, Open Source), NitroShare (Free, Open Source), Instant.io (Free, Open Source) and AirDrop (Free).
ShareDrop is an HTML5 clone of the Apple AirDrop service. It allows you to transfer files directly between devices, without having to upload them to any server first. It uses WebRTC for secure peer-to-peer file transfer and Firebase for presence management and WebRTC signaling.
AirDrop is the simplest way to send files wirelessly to anyone around you. To share a file, simply drag it onto a person’s contact photo. Your Mac verifies that you want to send the file, then sends a request to the recipient.