every tool you need to launch a saas

every tool you need to launch a saas → no fluff. just what works. 01 cursor write code with AI vscode fork with claude built in. it edits multiple files at once and understands your whole codebase. solo devs ship full saas products in 48 hours with this. $20/month, free tier exists 02 supabase postgres + auth in 5 min your entire backend in one dashboard. database, authentication, storage, realtime. you skip 80% of the setup work that used to take weeks. free tier handles 50k+ users 03 vercel push to git, get a URL connect your github repo and vercel deploys automatically, preview URLs for every PR, edge functions, free SSL, custom domains in 30 seconds. free hobby tier covers most launches 04 checkvibe scan for vulns before you ship vibe-coded apps leak api keys, expose databases, and break auth without warning. paste your URL and get 100+ checks in 60 seconds with AI fix prompts. free tier, no signup needed 05 stripe get paid stripe checkout is one line of code. tax handling, subscription management, dunning, all done. set it up before launch because free signups don't validate anything. 2.9% + 30¢ per transaction 06 posthog see what users do session replays, funnels, feature flags, A/B tests, you stop guessing why users churn and start fixing the actual problems. open source too. free tier is genuinely usable 07 sentry catch crashes in real time users won't tell you when your app breaks. they'll just leave. sentry alerts you the second something goes wrong with full stack traces and replays. free for small projects save this for your next launch → cursor.com → supabase.com → vercel.com → checkvibe.dev → stripe.com → posthog.com → sentry.io follow for more dev tools