Wasmer is a WebAssembly-based universal application runtime designed to run software securely and efficiently across any environment (on-premises, cloud, edge) in a cross-platform manner.
Wasmer is WebAssembly-based, offering a lighter, faster-starting runtime with stronger isolation; Docker focuses on OS-level containerization. The two can be used complementarily.
Wasmer supports compiling languages such as C/C++, Rust, and Go into WebAssembly bytecode, which can then be executed in its runtime.
Wasmer offers a free starter plan that includes a certain amount of bandwidth, requests, and access to edge nodes. Advanced features and enterprise needs are described in its pricing plans.
Wasmer uses the WebAssembly sandbox memory safety model to provide isolated execution environments for each app, preventing malicious code from affecting the host system.
Suitable for cloud-native apps, edge computing, serverless functions, IoT devices, plugin systems, and cross-platform deployments that require high-performance isolation.
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