Bill × tip % ÷ people, with 15 / 18 / 20 / 25 % preset buttons. Mobile-first, no persistence [13].
Three timer modes, browser notification, themed accents. Ann Jose's first-person build is the reference plate [22][12].
Named habit, emoji icon, a 30-day streak grid. Stays in localStorage; never asks for an account [71].
Height + weight → BMI + category. A worked plate from the Lovable kitchen [16]; AllCalculator serves the same dish another way [15].
Principal + rate + term → monthly payment. Pairs neatly with Handy Calc Lab, a bundled GST / EMI / Interest set [24].
Birthday, wedding, holiday — multi-event list with countdown clocks. localStorage carries the bookings [18].
Attendees × rate × duration → dollars wasted. A Taskade staff favourite [14].
Group expenses → minimum-transfer settlement. A Devpost first-prompt build in Bolt [23].
One button — one restaurant from your list. v0's community sample, copied liberally [19].
Spin-the-wheel for the midday meal. Its sibling WheelWise picks names, winners, yes/no [20][21].
Stylised random usernames, mobile-first. Same skeleton as My Poké Creator — a randomChoice(array) in disguise [28][30].
Upload a cat photo, receive a shareable meme. Sentimental and silly in equal measure [29].
A pixel-art generator and editor — one canvas, a paint bucket, an AI sketcher. A Lovable-shipped piece [31].
A step-sequencer drum machine with MIDI export. For the guest who arrives with a musician's appetite [32].
Pick HSL stops, watch the gradient render, copy the CSS. Lovable's own step-by-step [43]. Pair with ToolsFlow for HEX/RGB/HSL conversion [42].
Five-letter daily word, the familiar colour feedback. A non-coder documented the whole build in 30 minutes on v0.dev — well under one workshop block [35].
Make a quiz, or take one. The AI plates the questions; the guest grades themselves [33].
The strongest single starting point. No API key, no sign-up, no credit card; 10K free daily calls [44]. A March 2026 walkthrough exists for the layman cook [45].
100 req/IP/min, no auth. James Q Quick's vanilla-JS Pokédex is the canonical short tutorial [46][47].
200 currencies, 55 central banks, no key. A quiet workhorse on the line [48].
One endpoint, one random image. A DEV walkthrough exists for the absolute beginner [49][50].
Latitude, longitude, next overhead pass-times. 101 Computing's recipe pairs it with a Leaflet map [51][52].
DEMO_KEY works out of the box. Hardik Kawale's step-by-step is the kitchen reference [53][54].
Leaflet + OpenStreetMap + Nominatim geocode. No key, no card — Derick Rethans shows the move [55][56].
Plain GET, JSON via Accept header. Wes Bos uses this as the very first fetch lesson [57][58].
Categorised Q & A, no auth. Pair with Advice Slip, JokeAPI or Chuck Norris for one-line-card riffs [61][59][60].
Random meal + search by ingredient. Tuts+ walks the whole build [62][63].
GET-only /api/v2/entries/en/<word>. Pair with Wikipedia REST for a topic-card variant [64][65].
/latest and /next mission JSON. Mixed Analytics's 2026 list is the larder for the rest of this course [66][67].
A web app that analyses a fridge photo and suggests lunches for his kids. Shipped, on the record, for the NYT [83].
A non-coder builds the planner she actually needs as her baby starts weaning [76].
Tinder-style swipes with ELO scoring and a 10-accent pronunciation preview. Used in earnest to sort 90 candidate names [75].
PE-kit reminders, bin schedules, weekend plans. Each week is one JSON document — the kind of constraint that keeps LLM-generated code maintainable [84].
Photograph a toy; receive screen-free playtime ideas [73].
A custom AI tutor for her 11-year-old dyslexic son. Frustration detection, custom badges, beta launch by mid-June [74].
A "tiny first project" framed explicitly as such. The whole point: ship it the day you start [79].
Reverse-engineered the Nanit monitor API to render the trends the official app was hiding [80].
A venting app with chatbot personas — a chaos twin, a big sis. Went viral within weeks of launch [77].
A biology teacher's AI lesson-video critic; an assessment director's scholarship search, CTE budget explorer, and school-comparison app. The district expects to save $200K [78].
Snap-a-dog Pokédex, shipped to the App Store. A multi-month build — the longest plate on the menu [82].
A non-technical employee's travel-receipt app in two hours; Microsoft leaders building lemonade-stand managers and "nightmare-management" tools with their kids in ~20-minute sessions [81].
A paddle catches falling treats. Canonised by the imagi × Lovable Hour of AI; the prompt that works is concretely "create a game where a cat catches falling treats and earns points" [36].
Two paddles, one ball, score to ten. Hot-seat only — keep the dish single-machine [26].
Five-minute word timer, alphabet keyboard. A spin-off classic [27].
A small flight of arcade pieces from the madewithlovable showcase [25].
From a Hacker News thread of impressive vibe-coded fun: a doomscrolling browser game, an animated jigsaw, an Anki-lite Latin flashcard set [38].
Dishes the kitchen will not serve inside a 2–3 hour service. When the guest insists, we offer the substitution in rust.
appsettings.json, terminal comfort) is itself a beginner barrier [93]. Swap → a "copy this text" button or mailto: link.