head to head · open source
trivy vs wasm3
trivy has 37,969 GitHub stars, 692 forks, 269 open issues and last shipped yesterday. wasm3 has 8,028 stars, 538 forks, 18 open issues and last shipped yesterday. trivy leads on adoption by 373% (37,969 vs 8,028 stars). trivy is written in Go under Apache-2.0; wasm3 is written in C under MIT. trivy has attracted 2% as many forks as stars, wasm3 7%. trivy was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (containers), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| trivy | wasm3 | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 8.0K |
| License | Apache-2.0 | MIT |
| Written in | Go | C |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 692 | ⑂ 538 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick trivy if
- You weight community size — 38K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick wasm3 if
- You want the wasm3 feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C
- You evaluated both and wasm3 fits your workflow better
About trivy
Trivy is an open source security scanner written in Go and released under the Apache 2.0 license. It is an Aqua Security open source project, hosted at trivy.dev, and it lives in the cloud native and DevSecOps ecosystem alongside container runtimes, Kubernetes clusters, and infrastructure as code tooling. The design separates two ideas: scanners, which describe the classes of security issue Trivy looks for, and targets, which describe where it looks. The README presents the project as a comprehensive and versatile scanner, and the topic list — containers, devsecops, docker, iac, infrastructure as code, kubernetes…
read the full trivy overview →
About wasm3
Wasm3 is a fast, MIT licensed WebAssembly interpreter written in C that runs across x86, ARM, RISC V, MIPS, Xtensa and other architectures — from ESP8266 microcontrollers and OpenWrt routers to browsers and Linux servers — and it is aimed at developers and embedded engineers who need to execute portable Wasm or WASI code where a full size runtime will not fit.
read the full wasm3 overview →
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Frequently asked questions
Is trivy or wasm3 more popular?
trivy has 37,969 GitHub stars and wasm3 has 8,028. trivy has the larger community by that measure.
Are trivy and wasm3 free?
Both are open source. trivy is licensed under Apache-2.0 and wasm3 under MIT. Neither carries a licence fee.
What is the difference between trivy and wasm3?
trivy is written in Go and wasm3 in C. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, trivy or wasm3?
Choose trivy if you want the larger community (37,969 stars) or its Apache-2.0 licence terms. Choose wasm3 if its feature set, stack or MIT licence fits better. Both are self-hostable.