Source: https://seerepo.com/r/bytecodealliance/wasmtime/built
Markdown source: https://seerepo.com/r/bytecodealliance/wasmtime/built.md
Description: wasmtime is a Rust repo built with wasmtime and Tokio. It uses AI through ort and is tested with libfuzzer-sys, arbitrary, and filecheck.

# What is wasmtime built with?

wasmtime is a Rust repo built with wasmtime and Tokio. It uses AI through ort, is tested with libfuzzer-sys, arbitrary, and filecheck, and deploys with log, tracing, env_logger, and tracing-subscriber. It has 829,462 written lines, with 422 test files.

Read on November 6, 2026, at commit 0ad712c.

Repository: https://github.com/bytecodealliance/wasmtime

## Backend (/)

### AI

- **[ort](https://seerepo.com/uses/ort)**: 1 file

## Support (/)

### The base

- **wasmtime**
- **[Tokio](https://seerepo.com/uses/tokio)**: 53 files

### Testing

- **libfuzzer-sys**
- **arbitrary**: 38 files
- **filecheck**: 1 file

### Deploy

- **[log](https://seerepo.com/uses/log)**: 119 files
- **[tracing](https://seerepo.com/uses/tracing)**: 27 files
- **[env_logger](https://seerepo.com/uses/env-logger)**: 19 files
- **[tracing-subscriber](https://seerepo.com/uses/tracing-subscriber)**: 4 files

### Tools

- **cranelift**
- **cranelift-codegen**
- **cranelift-entity**
- **cranelift-frontend**
- **cranelift-module**
- **cranelift-native**
- **wit-bindgen**: 73 files
- **wasmparser**: 60 files
- **regalloc2**: 47 files
- **clap**: 40 files
- **gimli**: 36 files
- **proc-macro2**: 23 files
- **quote**: 23 files
- **syn**: 13 files
- **wat**: 9 files
- **wasmprinter**: 8 files
- **wasm-smith**: 5 files
- **clap_complete**: 1 file
- **codespan-reporting**: 1 file
- **fxprof-processed-profile**: 1 file
- **pest**: 1 file
- **pest_derive**: 1 file

### Other

- **cranelift-jit**
- **wasmtime-wasi**
- **anyhow**: 118 files
- **serde_derive**: 63 files
- **smallvec**: 57 files
- **target-lexicon**: 56 files
- **rustix**: 44 files
- **futures**: 41 files
- **hashbrown**: 37 files
- **bytes**: 32 files
- **object**: 32 files
- **serde**: 27 files
- **async-trait**: 26 files
- **windows-sys**: 26 files
- **libc**: 25 files
- **wasm-encoder**: 22 files
- **http**: 19 files
- **Hyper**: 11 files
- **http-body-util**: 10 files
- **rand**: 10 files
- **serde_json**: 10 files
- **thiserror**: 10 files
- **capstone**: 9 files
- **tempfile**: 9 files
- **postcard**: 8 files
- **indexmap**: 6 files
- **libm**: 6 files
- **rayon**: 6 files
- **bitflags**: 5 files
- **heck**: 5 files
- **http-body**: 5 files
- **itertools**: 5 files
- **sha2**: 5 files
- **rustls**: 4 files
- **url**: 4 files
- **num-bigint**: 3 files
- **region**: 3 files
- **rustc-hash**: 3 files
- **toml**: 3 files
- **zstd**: 3 files
- **backtrace**: 2 files
- **base64**: 2 files
- **bumpalo**: 2 files
- **encoding_rs**: 2 files
- **mach2**: 2 files
- **pin-project-lite**: 2 files
- **semver**: 2 files
- **similar**: 2 files
- **termcolor**: 2 files
- **tokio-rustls**: 2 files
- **webpki-roots**: 2 files
- **addr2line**: 1 file
- **directories**: 1 file
- **flate2**: 1 file
- **hyper-util**: 1 file
- **memmap2**: 1 file
- **native-tls**: 1 file
- **num_cpus**: 1 file
- **num-traits**: 1 file
- **once_cell**: 1 file
- **openssl**: 1 file
- **regex**: 1 file
- **tokio-native-tls**: 1 file
- **tokio-openssl**: 1 file
- **tokio-util**: 1 file
- **toml_edit**: 1 file
- **v8**: 1 file
- **walkdir**: 1 file
- **wasmi**: 1 file
- **windows**: 1 file

## Support (crates/explorer)

### The base

- **wasmtime**

### Tools

- **wasmparser**: 1 file
- **wasmprinter**: 1 file
- **wat**: 1 file

### Other

- **serde**
- **capstone**: 1 file
- **serde_derive**: 1 file
- **serde_json**: 1 file
- **target-lexicon**: 1 file
- **tempfile**: 1 file

## Other repos with a similar stack

- [warpdotdev/warp](https://seerepo.com/r/warpdotdev/warp/built): Tokio, ort, log, tracing, env_logger, tracing-subscriber · [Compare](https://seerepo.com/compare/bytecodealliance/wasmtime/vs/warpdotdev/warp)
- [screenpipe/screenpipe](https://seerepo.com/r/screenpipe/screenpipe/built): Tokio, ort, log, tracing, env_logger, tracing-subscriber · [Compare](https://seerepo.com/compare/bytecodealliance/wasmtime/vs/screenpipe/screenpipe)
- [denoland/deno](https://seerepo.com/r/denoland/deno/built): Tokio, log, tracing, env_logger, tracing-subscriber · [Compare](https://seerepo.com/compare/bytecodealliance/wasmtime/vs/denoland/deno)
- [zed-industries/zed](https://seerepo.com/r/zed-industries/zed/built): Tokio, log, tracing, env_logger, tracing-subscriber · [Compare](https://seerepo.com/compare/bytecodealliance/wasmtime/vs/zed-industries/zed)
- [hoppscotch/hoppscotch](https://seerepo.com/r/hoppscotch/hoppscotch/built): Tokio, log, tracing, env_logger, tracing-subscriber · [Compare](https://seerepo.com/compare/bytecodealliance/wasmtime/vs/hoppscotch/hoppscotch)
- [openinterpreter/openinterpreter](https://seerepo.com/r/openinterpreter/openinterpreter/built): Tokio, log, tracing, env_logger, tracing-subscriber · [Compare](https://seerepo.com/compare/bytecodealliance/wasmtime/vs/openinterpreter/openinterpreter)

## Frequently asked questions

### What language is wasmtime written in?

wasmtime is written in Rust, with 829,462 written lines.

### What framework does wasmtime use?

wasmtime is built with wasmtime and Tokio.

### Does wasmtime use AI?

Yes. wasmtime uses AI through ort.

### Does wasmtime have tests?

Yes. wasmtime has 422 test files and is tested with libfuzzer-sys, arbitrary, and filecheck.

### Which repos have a stack like wasmtime's?

The ones that share most of its stack: warpdotdev/warp, screenpipe/screenpipe, and denoland/deno.

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.