Free QA tools, calculators, and references for testers and SDETs

Asserts prove the code runs. Evals prove it built the right thing. How semantic checks validate acceptance criteria when a model writes the code.

Why high performance computing (HPC) testing swaps exact assertions for invariants and tolerance bands, and which cluster faults surface only at full scale.

Pin what you can control, sample what you cannot, and gate CI on a pass rate. A practical guide to testing AI systems that never repeat themselves.

The QA metrics worth tracking, the formula behind each one, what counts as a good number, and the four ways a metrics program starts to lie to you.

Agent management is applied QA. Every technical job is turning into it, and testers already have the instinct. Here's the skill map and the honest caveats.