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NASA•July 12, 2026
SpaceWasm
Open Source
WebAssembly
Space Exploration
Flight Software
Embedded Systems
### TL;DR
SpaceWasm is a flight-compliant WebAssembly interpreter specifically engineered for execution on spacecraft hardware. It provides a sandboxed, portable, and industry-standard environment that ensures deterministic memory usage and high-reliability performance for critical mission software.
Key Insights & Metrics
Pricing
Open Source
Cost structure
Version
0.1.2
Current release version
Hardware
Designed for resource-constrained spacecraft embedded systems; compatible with standard Rust-supported architectures
Compute requirements
Category
Open Source
Licensing model
Region
United States
Primary region
Key Features
- Flight-compliant WebAssembly 1.0 interpreter
- Deterministic memory management with fixed-size page allocation
- Streaming decoder for low-memory footprint execution
- Safe, sandboxed execution environment for on-board autonomy
- Comprehensive fuzzing and testing infrastructure
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