Playwright

Open-source end-to-end browser testing framework.

Is Playwright right for you?

Playwright is ranked #2 of 5 in Testing & debugging on ShipStack. Best for: E2E tests agents can write. Free, agent-friendly.

Error monitoring and performance tracing, with AI debugging (Seer).

💲 Developer free; Team $26/mo; Business $80/mo (annual)

Best for: Production error tracking

Industry standard

AI code review on pull requests.

💲 Paid tiers $24, $48, $72/user/mo (annual)

Best for: Catching bugs in AI-written PRs

Popular AI PR reviewer

Tracing and evals for LLM apps.

💲 Developer free (1 seat); Plus $39/seat/mo + usage

Best for: Debugging agents

Deep agent observability