sourcefrog / cargo-mutants

:zombie: Inject bugs and see if your tests catch them!

nextest-rs / nextest

A next-generation test runner for Rust.

fzakaria / rewindvm

Deterministic Linux VMs you can scrub, rewind and fork. Find and replay flaky builds and tests.

mitsuhiko / insta

A snapshot testing library for rust

tokio-rs / turmoil

Add hardship to your tests

yologdev / yoyo-evolve

A coding agent that evolves its own source, in public — 200 lines of Rust on day one, every commit since agent-written and tests-gated.

ubugeeei-prod / vize

blazing fast Vue.js toolchain. compiler, linter, type checker, formatter, lsp, story system, editors. already 30k+ tests.

maelstrom-software / maelstrom

Maelstrom is a fast Rust, Go, and Python test runner that runs every test in its own container. Tests are either run locally or distributed to a clustered job runner.

Whalica / OJ_Insight

OJ Insight is a local-first competitive programming training workspace for multi-OJ analytics, ICPC/CCPC tracking, problem sets, virtual contests, personalized training, and post-contest review.

wasif-exe / wire

Wire v9: from-scratch ultra-low-latency HFT stack in Rust and C. 24 crates: TCP/IP, AF_XDP, VFIO PCIe DMA, LMAX Disruptor, AVX2/AVX-512 SIMD, flat-array matching engine (11 cyc), HugePage slab (1.5 ns), lock-free MPMC, CME MDP 3.0 SBE, eBPF XDP risk. Zero heap allocs on the hot path. 46/46 tests pass.

dtolnay / trybuild

Test harness for ui tests of compiler diagnostics

luxine / CalcKernel

CalcKernel compiler, runtime, tests, examples, documentation, and public releases