Sign-up is not available here
Sign-in, saved workspaces, the AI assistant and the admin panel need a persistent server. This site runs as a static build on shared hosting, which has none — so those features are switched off rather than shown as buttons that fail.
None of it affects the tools. All 66 run entirely in your browser and never needed an account in the first place.
Self-hosting? Set NEXT_PUBLIC_ENABLE_ACCOUNTS=true and point NEXT_PUBLIC_API_URL at the Node API to turn these features back on. See docs/DEPLOYMENT-HOSTINGER.md.