Clear, sourced guides to the technical decisions engineers and founders face: what to build, what to buy, and which tool to pick.https://technicaldecision.com/https://technicaldecision.com/build-vs-buy/https://technicaldecision.com/build-vs-buy/A practical framework for deciding whether to build or buy software: total cost of ownership, core vs. context, switching costs, team capacity, and risk.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/choosing-an-auth-provider/https://technicaldecision.com/choosing-an-auth-provider/Clerk vs. Auth0 vs. WorkOS vs. a library like Better Auth: pricing, SSO and SCIM, developer experience, password hash export, and compliance.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/choosing-an-llm-api/https://technicaldecision.com/choosing-an-llm-api/How to choose between Anthropic, OpenAI, Google Gemini and open-weight models: evals, October 2026 prices, limits, privacy, clouds and lock-in.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/feature-flag-tools/https://technicaldecision.com/feature-flag-tools/How LaunchDarkly, Statsig, and open-source flag tools compare on price, experimentation, portability, and privacy, plus how to keep flag debt in check.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/observability-on-a-budget/https://technicaldecision.com/observability-on-a-budget/How Datadog, Grafana Cloud, and Honeycomb charge for metrics, logs, and traces, why bills grow, and how a startup keeps observability costs under control.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/postgres-vs-mysql/https://technicaldecision.com/postgres-vs-mysql/Postgres 18 or MySQL 9.7 LTS for a new product? Versions, licensing, JSON, vector search, schema changes, and managed hosting, compared plainly.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/saas-payments-merchant-of-record/https://technicaldecision.com/saas-payments-merchant-of-record/Merchant of record explained, plus fees, tax, chargebacks, payouts and migration risk for Stripe, Paddle and Lemon Squeezy as of October 2026.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/technical-decision-records/https://technicaldecision.com/technical-decision-records/How to write architecture decision records: where ADRs came from, Nygard vs. MADR vs. Y-statements, a copy-paste template, and a full worked example.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/transactional-email-providers/https://technicaldecision.com/transactional-email-providers/Resend, Postmark, or Amazon SES for password resets and receipts: pricing, deliverability, SPF/DKIM/DMARC, inbound mail, logs, and lock-in.Sat, 03 Oct 2026 00:00:00 GMThttps://technicaldecision.com/where-to-host-a-web-app/https://technicaldecision.com/where-to-host-a-web-app/Cloudflare Workers, Vercel, or AWS for a new web app? Free tiers, pricing, limits, cold starts, databases, and lock-in, plus when a plain container wins.Sat, 03 Oct 2026 00:00:00 GMT