Observed arrival · 2026-11-05
appfuzz: fuzz WebAssembly apps before they ship
An open-source CLI that tests WebAssembly apps against simulated backend responses to find crashes, security issues, and costly database patterns.
○Open
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- WebAssembly platform teams and CI maintainers
- Worth noticing
- The sample shows one request rising from 11 to 1,001 database calls as a list grows from 10 to 1,000 rows.
Field notes
The page walks through four CLI commands: `inspect` checks imports and risky code, `run` makes one request against a fake backend, `review` searches varied inputs for CI, and `show` puts a costly run beside the others. Its examples include empty lists, three-byte Japanese characters, reflected query text, and database calls scaling from 11 to 1,001 as a list grows. The homepage links to demos, a README, and AppOS architecture slides.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue