★ BUILDER STACK DIRECTORY
Only vetted tools. Zero affiliate junk!
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Curated Founder
Resources & Stack.

No sponsored bloat. A curated directory of battle-tested dev platforms, SaaS infrastructure, and product scoping frameworks we use to build client systems.

SHOWING 14 VETTED RESOURCES
INQ Free Tools★ INQ ORIGINAL

SaaS & MVP Cost Calculator

Estimate budget and development timeline in 5 steps

Interactive multi-step estimator calculating realistic costs, complexity multipliers, and launch timelines for modern web apps and SaaS.

Why We Recommend It:

Gives founders transparent budget expectations before writing a single line of code.

INQ Free Tools★ INQ ORIGINAL

Social Preview & OpenGraph Generator

Live visual card previewer for Twitter, LinkedIn & WhatsApp

Visualizes social link expansions across major messaging and feed platforms and generates copy-paste Next.js 16 metadata code.

Why We Recommend It:

Ensures every link you share drives maximum organic social click-through rates.

INQ Free Tools★ INQ ORIGINAL

MVP Feature Prioritizer (MoSCoW)

Interactive product scoping matrix and sprint estimator

Categorize MVP features into Must-Haves, Fast-Follows, and Scope Creep to calculate exact sprint duration and protect your budget.

Why We Recommend It:

Prevents scope creep and ensures founders launch lean, high-velocity versions of their products.

INQ Free Tools★ OPEN SOURCE

Enterprise Next.js SaaS Starter Kit

Production Next.js 15+, Supabase SSR & Stripe boilerplate

Battle-tested open source starter kit with multi-tenant workspaces, Supabase SSR HttpOnly auth, PostgreSQL RLS, Stripe billing idempotency, and RFC 7807 APIs.

Why We Recommend It:

Saves founders and engineers 2-3 weeks of boilerplate setup with battle-tested enterprise architecture.

Dev Stack★ RECOMMENDED

Supabase (PostgreSQL & Auth)

The open source Firebase alternative with real Postgres

Provides instant PostgreSQL database, Row-Level Security (RLS), OAuth authentication, and realtime subscriptions out of the box.

Why We Recommend It:

Gives you a production-grade relational database with zero server DevOps overhead.

Dev Stack★ RECOMMENDED

Vercel Edge Platform

Global edge hosting and CDN for Next.js applications

Zero-config global deployment platform with built-in SSL, DDoS mitigation, preview branch environments, and edge caching.

Why We Recommend It:

The gold standard for hosting modern Next.js App Router applications with sub-second TTFB.

Dev Stack★ RECOMMENDED

Resend & React Email

Modern transactional email infrastructure for developers

Clean REST API with first-class React components for building beautiful transactional welcome and invoice emails.

Why We Recommend It:

Eliminates messy legacy HTML email tables and delivers 99.9% inbox deliverability.

Dev Stack★ ESSENTIAL

Stripe Billing & Checkout

Global payment processor & subscription lifecycle engine

Idempotent payment APIs, hosted checkout pages, customer portals, and automated tax calculation.

Why We Recommend It:

The industry default for handling recurring SaaS subscriptions, 3D Secure, and fraud prevention.

Analytics & Monitoring★ RECOMMENDED

PostHog Analytics

Product analytics, session replays, and feature flags

All-in-one product telemetry suite with event funnels, heatmaps, user journey recordings, and A/B test experimentation.

Why We Recommend It:

Enables founders to watch real user session recordings and pinpoint signup drop-offs immediately.

Product & Scoping★ HIGH CRAFT

Linear Issue Tracker

High-performance project management for software teams

Streamlined keyboard-first issue tracker with cycle planning, Git branch sync, and roadmap milestones.

Why We Recommend It:

Fastest project management tool on the planet with zero clutter or Jira bloat.

Product & Scoping★ INQ FRAMEWORK

1-Page Technical PRD Framework

Clean specification doc for scoping MVPs without fluff

Our battle-tested product requirements template covering user stories, acceptance criteria, database DDL, and non-goals.

Why We Recommend It:

Prevents scope creep and keeps engineering velocity focused on core value.

Design & Assets★ ESSENTIAL

Lucide Icons

Beautiful, consistent open-source SVG icon library

Over 1,000+ pixel-crisp SVG icons designed with clean 24px grids and official React tree-shaking support.

Why We Recommend It:

Lightweight, customizable stroke-width, and zero UI render lag.

Design & Assets★ ESSENTIAL

Tailwind CSS v4

Utility-first CSS framework with lightning compile speeds

Zero-runtime CSS engine with container queries, subgrid support, and modern design token variables.

Why We Recommend It:

Allows building bespoke, responsive interfaces without wrestling with CSS specificity wars.

Dev Stack★ RECOMMENDED

Upstash Serverless Redis

Serverless Redis & QStash message queues with REST API

Low-latency in-memory cache and background job runner built specifically for edge and serverless runtimes.

Why We Recommend It:

Perfect for API rate-limiting, distributed locks, and async email queues with pay-per-request pricing.

FULL-STACK IMPLEMENTATION

Need help integrating this modern stack for your MVP?

We configure Supabase, Next.js, Stripe billing, and PostHog analytics for founders in a 3-week production sprint.

Book a Sprint
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