Ledger Room: I built a local invoice sorter, then measured exactly what the privacy costs
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle What I Built Ledger turns a folder of invoices and receipts…
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cutting N+1 queries in Next.js API routes with Supabase RPC
when a dashboard starts pulling relational data from Supabase, the naive approach is to fire a separate select per row. the result is a classic N+1…
TuitionSetu: a tutor's Sunday of WhatsApp updates, written by Gemma on her own laptop
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 2, Side Hustle . What I Built Mita teaches Maths to 30 children from home.…
8% of My Capterra Reviews Arrived as the Three Characters $62
I run a visa agency in Bali. The half of my week that is not visas goes into Apify Actors, and one of them reads B2B software reviews — Capterra, So…
when tRPC beats REST for fine‑grained data fetching in Next.js
in a midsize SaaS product we hit a scaling wall when dozens of React components started querying overlapping slices of a user record. each component…
I scanned 8 popular SaaS starter templates. 7 had launch-blocking patterns hiding in plain sight.
Most AI-built SaaS apps don't start from a blank file. They start from a starter template — clone, rename, add features, ship. So I ran a local laun…
Deploy a Next.js App Router App to Cloudflare Workers with OpenNext and a D1 Database
For a long time the honest answer to "can I run a full Next.js App Router app on Cloudflare Workers" was "sort of, with caveats." That changed with…
Node.js API Routes and Server Actions: 3 Error Tracking Boundaries (With Attribution)
Instrument three server-side boundaries, but define the cost-attribution record before choosing the error backend. For a customer-support pricing ru…
Next.js 15 Support Ends Oct 21: The Upgrade Changes Your Build Won't Catch
TL;DR: Next.js 15 leaves its support window on 21 October 2026. Run the upgrade codemod and the separate next-async-request-api codemod, then test t…
Our comparison pages have a required field for where the competitor wins, and 13 of 49 rows say it is them
Notifio is a £20 desktop app that watches rental search pages and alerts you when a new listing appears. It competes with several subscription servi…
Freelancing from Pakistan as a Web Developer in 2026: The No-Fluff Playbook
Pakistani freelancers pulled in a record $1.76 billion in foreign exchange during FY26, up 78% from the year before, with IT freelancers contributin…
Multi-tenant SaaS with branch-level RBAC in Next.js + Node: a practical architecture
Tenant scoping that fails closed, permissions that know about branches, and the tests that keep both honest. Key takeaways Resolve the tenant from t…
I built a face-rating tool that never sees your photo — here's what I learned about on-device ML
Why I Built This A friend told me his face shape was better than mine. I'm not going to argue with him — I have no data. So I went looking for one o…
CVE-2026-94545 Explained: What Happens When an OG-Image Generator Forgets to Escape
Overview Item Detail CVE ID CVE-2026-94545 Affected product Next.js next/og 's ImageResponse (Node.js runtime); root cause lives in Vercel's Satori…
Architecting Programmatic SEO with Next.js 16: Scaling 500+ High-Performance Routes
Programmatic SEO sounds simple in theory: take a structured dataset, map it to a parameterized URL template, and generate hundreds of targeted landi…
I built an aurora forecast site on Cloudflare Workers and hit every limit they have
Every aurora app answers the wrong question. They show you Kp indexes, solar wind speed, magnetometer plots — great if you're a space-weather nerd.…
How a 24MB Sitemap Crashed Our Vercel Build
Everything was green in CI. Unit tests passed, lint passed, TypeScript compiled cleanly. Then we pushed to production, and 2 minutes into the Vercel…
Maati: a little tree that nudges you back outside
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built Maati turns “take a break” into a small mission…
If AI Can Build Your Charts, Why Learn Recharts?
You can ask an AI coding tool to build a Recharts component for you, give it some sample data and a prompt, and you'll get something that looks like…
Stop rebuilding the 80%: the foundation every AI agent SaaS needs before its first customer
Every AI agent SaaS I've built needed the same foundation before a customer could pay for it. I rebuilt it several times before I stopped. Here's th…
Our Next.js ISR writes hit 325K on Vercel's free plan. Determinism fixed half of it
I run promokoduz.uz , a promo-code catalogue for Uzbekistan in three languages. It is a small site: 111 live codes across 75 brands and about 60 vis…
How We Built a Sub-500ms Real-Time AI Voice Agent with TypeScript, Twilio & WebSockets
How We Built a Sub-500ms Real-Time AI Voice Agent with TypeScript, Twilio & WebSockets When building conversational AI phone agents for real-wor…
Why @next/bundle-analyzer wasn't enough for our team (So we built an automated PR bot)
If you've ever worked on a growing Next.js app, you've probably lived through this exact scenario: You’re reviewing a seemingly harmless pull reques…
Lovable vs Bolt vs v0 vs Massvai: Which AI App Builder for a Full-Stack Next.js App?
Four prompt-to-app tools compared on stack, deployment, code ownership and pricing model, with recommendations by scenario rather than a single winn…
We deleted 460 lines of onboarding, and /onboarding is now a 44 line redirect with no page
Nakodo had an onboarding flow. src/app/onboarding/ held page.tsx , forms.tsx , actions.ts , loading.tsx and error.tsx : 460 lines that asked a new a…
دعم العربية (RTL) في Next.js 16 — ٦ أخطاء شائعة وكيف تتجنبها
،السلام عليكم معظم تطبيقات SaaS تُبنى بالإنجليزية أولًا، ثم تُضاف العربية في النهاية… فينهار كل شيء: الهوامش في الجهة الخاطئة، الأيقونات معكوسة، ال…
Two URL spaces, one index page, and a ternary whose branches are identical
There is a ternary in ArticleLayout.tsx that picks between two identical values: const crumbs : Crumb [] = [ { label : " Home " , href : " / " }, ar…
I Built TikStory: A No-Login TikTok Story Viewer on Next.js and Cloudflare Workers
TikTok Stories are easy to post and easy to miss. They disappear after 24 hours, and if you watch one while logged into TikTok, the creator can see…
I launched a free GDPR-compliant toolkit for European users in 48 hours — here's the full technical breakdown
What I Built OmniWebTool (omniwebtool.com) — a free, privacy-focused digital tools platform built specifically for European users. 30+ tools running…
Local news without a location prompt: how we pick a reader's edition in Next.js
A news site with editions for different countries has to answer one question on every request: which edition should this reader see? The easy answer…