Wasmer, Inc.

Wasmer, Inc. is a systems-software company whose entire catalog is built around a single, highly focused runtime: Wasmer, a universal WebAssembly engine that lets developers execute sandboxed WASM binaries on any platform that matters—Windows, macOS, Linux, FreeBSD, or embedded devices—without recompiling. By implementing both the WebAssembly System Interface (WASI) and Emscripten compatibility layers, the engine bridges browser-born modules with native OS capabilities, turning lightweight bytecode into first-class executables that can be invoked from the command line, embedded inside Python, Ruby, Go, Rust, C/C++, or JavaScript hosts, or packaged as language-native libraries. Typical use cases span server-side plugins, edge micro-services, serverless functions, blockchain smart-contracts, portable CLI tools, and secure plug-in architectures for desktop applications, all benefiting from WebAssembly’s memory-safe, capability-based sandbox. Wasmer’s runtime ships with a built-in package manager (wapm) that resolves dependencies, caches compiled artifacts, and applies ahead-of-time compilation for near-native startup speeds, while its headless and lib varieties allow DevOps teams to bundle only the components they need inside Docker containers or IoT firmware. The company augments the core with optional cloud compilation, universal binaries, and cross-platform signing, yet keeps the project open-source under an MIT/Apache dual license. Wasmer’s software is available for free on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, always installing the latest upstream build and supporting batch installation alongside other applications.