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QuickJS vs Node.js: catalog facts
QuickJS	Node.js
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence, governed by the OpenJS Foundation.
Windows, Command line	Windows, macOS, Linux, Command line
Very small footprint with no external dependencies Nearly complete ES2025 support	The largest package ecosystem of any language through npm Predictable release schedule with clearly marked long-term support versions
Interpreter rather than a JIT engine, so slower than V8 for heavy workloads Bignum extensions and the qjscalc calculator were removed	Single-threaded by default, so CPU-heavy work needs worker threads or another process The size and churn of the npm ecosystem is itself a supply chain risk
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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