Shop · pay by card · tools are one-time
Tools you keep.
124 offline apps, spreadsheets, kits and notebooks. Pay by card, download the files right after. Plus services: builds, advisory hours, distribution and research, paid right here.
138 shown
The Agent-Run Outreach Team
run social and distribution with AI agents
$49
Ship iOS Apps from Windows
the complete kit
$39
Classroom
teacher toolkit for the projector: name picker wheel, random group maker, big countdown timer and a noise meter, offline with no ads
$6
Chores
kids chore chart and allowance bank: a tap-to-finish Today board, spend, save and give jars, a points reward shop and printable fridge charts
$6
Overlap
time zone and date toolkit: find the meeting time that works for everyone, world clocks, a working-day calculator and countdowns, no subscription
$5
Sheetful
label printer: address labels from your list, return address labels, jar and product labels, barcodes and price tags, lined up on the sheets you already bought
$7
Nudge
unpaid invoice chaser: see who owes you and how late, get the reminder email written for you, work out late fees, and grade every client
$8
Pawprint
pet care organizer: shared med and feeding checklist with double-dose warnings, vaccine due dates, weight log and a printable sitter sheet
$6
Pricebook
grocery price book: true price per ounce, is this sale really a deal, and which store to buy each thing at
$6
Binder
private PDF toolkit: merge, rearrange, split and turn photos into PDFs on your own computer, no uploads, no limits, no Acrobat subscription
$8
Shrink
private image toolkit: compress, resize, crop for social and remove the hidden GPS location from your photos, with no uploading, no limits and no watermarks
$7
Stamp
QR code studio: codes that never expire, Wi-Fi cards, contact cards and whole sheets of codes, made on your computer with no subscription
$6
Curve
grade tracker and final exam calculator: every course, weighted categories, what you need on the final, and your GPA across terms
$6
Reno
renovation budget tracker: estimate vs quotes vs paid by room, contractor quotes side by side, payment schedule, change orders and a timeline
$8
Rooms
home inventory for insurance: everything you own, room by room, with serial numbers, values, the coverage gaps and the claim report adjusters ask for
$7
Clockout
tip and shift tracker: your real hourly rate after tip-out, best days and shifts, paycheck checker and a clean tax-year total
$6
Register
homeschool record keeper: attendance calendar, hours by subject, lesson log, gradebook, reading list and the printable reports your state asks for
$8
Odometer
car maintenance log: service reminders that know your pace, fuel economy, true cost per mile and a printable service history for every car you own
$7
Crumb
bakery pricing calculator: true cost per cookie or cake, a price that pays you, printable quotes and a market price list
$8
Tab
group expense splitter: trips, roommates and events, split by receipt line, settle up in the fewest payments, no limits and no subscription
$6
Lease
rent ledger for small landlords: rent posts itself, log payments, late fees, expenses by tax category, deposits, and printable receipts, statements and late notices
$9
Flip
reseller inventory and profit tracker: every item from sourced to sold, platform fees worked out for you, aging alerts, and the year-end numbers for your taxes
$8
Keyword
resume to job post matcher: see the keywords you are missing, mark what you really have, get the AI prompt that tailors your resume honestly
$8
Receipts
AI answer fact-check tool: pulls every checkable claim out of a ChatGPT, Claude or Gemini answer and hands you the search links
$6
Handoff
AI agent brief builder: tell ChatGPT agent, Claude or Gemini exactly what to do, what never to do, and when to stop and ask
$8
Plainspoken
make AI writing sound human: finds em dashes, AI vocabulary, fake contrasts and chatbot leftovers, and fixes the safe ones in one click
$7
Blueprint
vibe coding spec writer: turn an app idea into a PRD, an AGENTS.md and step-by-step build prompts for Lovable, Bolt, Cursor and Claude Code
$9
Promptbook
your personal prompt library: fill-in-the-blank prompts, tags, favourites, one-click copy, 24 proven starters
$6
Shotlist
AI video prompt builder: storyboard your shots, keep characters consistent, export prompts for Veo, Sora, Kling and Runway
$8
Darkroom
AI photo edit prompt builder: headshots, outfit swaps, old photo restoration, retro flash and toy-figure looks that keep your face
$6
Onboard
custom instructions builder for ChatGPT, Claude and Gemini: a 3-minute interview that makes every answer fit you
$6
Skillsmith
AI skill builder: answer six questions, get a valid SKILL.md and an upload-ready zip for Claude and other agents
$7
Zero
debt payoff planner: avalanche or snowball, a debt-free date, interest saved, month-by-month schedule, and a log of what you actually paid
$7
Itinerary
trip planner: day-by-day plan with times and costs, bookings with references, a budget by category, packing lists and a countdown
$7
Syllabus
exam study planner: enter exams and topics, get a day-by-day plan with spaced reviews and past papers, tick sessions off, see the calendar
$7
Paid
invoice maker and tracker: clean printable invoices, clients, numbering, tax and discounts, partial payments, overdue tracking, and a PAID stamp
$8
Billable
freelance time tracker: a running timer, weekly timesheet, projects with rates and budgets, and reports you can invoice from, with CSV export
$8
Ironbook
workout log: templates, sets and reps with last session beside each set, rest timer, plate maths, e1RM progress charts and PRs
$7
Offer
job application tracker: a drag-and-drop pipeline from saved to offer, follow-up nudges, contacts, timelines per application, and a funnel
$7
Weeknight
meal planner with a recipe box and a grocery list that writes itself, scaled to how many are eating, sorted by aisle
$7
Chain
habit tracker for your desktop: daily, weekly and N-times-a-week habits, streaks, a year heat map per habit, and honest stats
$6
Envelope
zero-based budget app: give every dollar a job, import your bank CSV, auto-categorise payees, monthly reports
$9
Pour Plan
epoxy resin calculator: river table and mould volume with waste, mix by weight from the volume ratio, pour layers with a dated timeline, cost per project
$6
Brine Lab
fermented hot sauce calculator: brine and mash salt by the whole jar, pH ferment log with the safety lines, Scoville blending, bottling yield and cost
$6
Wick & Wax
candle making calculator: wax and fragrance per container and per batch, wick starting chart, cost and pricing, burn test log with a verdict
$6
Hangar
RC plane calculator: MAC, neutral point and CG from the planform, weight and balance with battery placement, motor, prop and battery power system
$7
Fert Lab
planted aquarium dosing calculator: EI and PPS-Pro dry salts to grams or a solution, weekly dosing plan, CO2 from pH and KH, GH booster
$6
Race Fuel
triathlon and endurance fueling planner: sweat rate test, carbs, fluid and sodium per hour by leg, product plan with gauges, timeline and a printable top-tube card
$7
Turf Plan
lawn fertilizer calculator: bag to spreader setting, season program by grass type with the nitrogen budget, seed and sprayer math
$6
Cellar Chemist
winemaking calculator: sulfite by pH, acid adjustments, chaptalization, sorbate and back-sweetening, blending, and a cellar log
$7
Quiver
arrow builder and sight tape generator: total weight, FOC, KE, spine starting point, and a printable tape fitted to your own marks
$8
Ring & Stave
segmented turning calculator: ring segments, a vessel profile that becomes a cut list, and stave compound angles
$8
Raw Bowl
raw dog food calculator: daily amounts, 80/10/5/5 or BARF, bone-content solver, prep bags and shopping
$5
Meadery
mead calculator: honey for your gravity, TOSNA nutrient schedule, fermentation log and backsweetening
$6
PLATFORM
powerlifting meet planner: attempts, warm-ups timed to your flight, peaking block, RPE and plates
$7
Stitch Math
knitting gauge converter, pattern resizer, evenly-spaced increases, shaping and row counter
$6
Glaze Chemist
pottery glaze calculator with unity formula, Stull chart, limits, batches and line blends
$8
Lye & Leaf Soap Calculator
lye and water for any oils, bar qualities, fatty acids and a printable batch sheet
$7
Poker Tournament Director
blind structure that ends on time, TV clock, chip split, payouts and ICM deals
$8
Baseline Ledger
tennis practice tracker, match stats, serve map and string log for your computer
$9
Fairway Ledger
golf practice journal, scorecards, handicap index and yardage book for your computer
$9
Minder for Desktop
a pair of eyes that watches you work, and notices when you wander off
$6
Stair & Stringer Calculator
riser and tread from the rise, code check, headroom, the stringer layout marks with the drop, and every count that passes
$5
Van Solar & Battery Sizer
watt-hours from your loads, the battery bank, solar by month and latitude, and the wire gauge and fuse for every run
$5
Telescope Eyepiece & Camera Calculator
power, exit pupil and true field for every eyepiece, which one frames each target, the gaps to buy, and camera sampling
$5
Guitar String Tension Calculator
tension per string for any tuning and scale, and the balanced gauge set that matches your feel
$5
Sous Vide Time & Pasteurization Calculator
heat-through by thickness, the hold that makes it safe, and a dinner timeline
$5
Cocktail Batching Calculator
scale any recipe for a crowd with the dilution built in, ABV, bottles to buy and a party shopping list
$5
Tile Layout Planner
no sliver cuts at the wall, the drawn layout, cut list, and boxes, grout and adhesive for the whole job
$5
3D Print Quote Calculator
reads your G-code, true cost per part with wear, power, labor and failures, saved quotes
$5
Hydroponic Nutrient Calculator
grams of each salt for your target ppm, A/B stock tanks and EC
$5
Espresso Dial-In Assistant
one shot, one change, and the reason, with a log per bag
$5
Depth of Field & Focus Stacking Calculator
hyperfocal, near and far limits, diffraction, frames for a stack
$5
Pool Chemistry Calculator
water balance and exact chlorine, acid, alkalinity, calcium and stabilizer doses
$5
Golf Handicap Calculator
WHS index from your rounds, course and playing handicap for any tee
$5
Garden Planting Calendar
sow, transplant, succession and harvest dates from your frost dates, 40 crops
$5
Tournament Bracket Generator
single and double elimination, seeded, byes placed, results tracked
$5
Woodworking Cut List Optimizer
parts packed onto your boards with kerf, cut diagrams, board feet and cost
$5
Reef Tank Dosing Calculator
alkalinity, calcium and magnesium consumption to an exact daily dose
$5
Quilt Yardage Calculator
fabric for blocks, sashing, borders, binding and backing, with the cutting plan
$5
Bike Gear Calculator
gear inches, duplicates, cadence, and whether your lowest gear clears the climb
$5
Sourdough Formula Scaler
any loaf count, levain build, water temperature, schedule backwards from the bake
$5
Etsy Pricing Engine
every fee, real profit per sale, and the price for your margin, Google Sheets + Excel
$4
House Flip Deal Analyzer
profit, cash needed, ROI and the max offer, Google Sheets + Excel
$4
D&D 5e Encounter Balancer
difficulty, adjusted XP and the adventuring-day budget, offline
$5
Golden Hour Shoot Planner
sun times, direction and height for any place and date, offline
$5
Race Pace & Split Planner
hill-adjusted splits from your course GPX, with a wrist band
$5
Homebrew Recipe Calculator
OG, FG, ABV, IBU, color, water and priming, offline
$5
Powerlifting Meet Planner
attempts, plate loading, warm-up timing and DOTS
$5
Youth Soccer Substitution Planner
equal minutes for every kid, automatically
$5
Wedding Seating Chart Solver
seats 200 guests by your rules in seconds
$5
League Round-Robin Scheduler
tennis, pickleball, squash, any club league
$5
Startup Runway Calculator
with hires and growth, Google Sheets + Excel
$5
Bounty & Grant Deadline Tracker
Google Sheets + Excel
$5
Ranked Session Tracker for League of Legends
Google Sheets + Excel
$3
Position Size & Kelly Calculator
Google Sheets + Excel
$5
Black-Scholes Options Calculator
price and Greeks in Google Sheets + Excel
$7
A/B Test Significance Calculator
Google Sheets + Excel
$7
App Store Review & Rejection Tracker
with the replies written
$5
Should I Deploy This? 18-Point Deploy Risk Checklist
18 ways a deploy goes wrong, each with a point value, why it bites and the fix. Score the deploy before you press the button.
$5
Side Project Keep-or-Kill Tracker
Google Sheets + Excel
$5
API Key & Secret Rotation Tracker
Google Sheets + Excel
$5
Domain, SSL & License Renewal Tracker
Google Sheets + Excel
$5
Freelance Rate Calculator
hourly, day and retainer rates from what you want to earn
$5
Cold Outreach Follow-up Tracker
with the follow-up emails written
$7
Subscription & Free Trial Tracker
Google Sheets + Excel
$5
Duplicate Company Finder
Clean Your Lead List in Google Sheets + Excel
$7
Is Your Landing Page Cooked? 26-Point Roast Scorecard
Score your landing page against 26 common mistakes in about ten minutes, with the fix for each. $5 once, no subscription. 26 sins, each with a point value, a burn and a fix. Score your page in ten minutes. Score three si
$5
LLM API Cost Calculator
26 Models, Google Sheets + Excel
$7
Warranty & Return Deadline Tracker
Google Sheets + Excel
$7
Freelancer Invoice & Late Payment Tracker
Google Sheets
$5
Options Volatility Trading in Python
Black-Scholes, Greeks, Vol Surface, VRP Strategy + Backtest
$25
Crypto Price Arbitrage Bot
Full Python Source Code (5 Exchanges, Telegram Alerts)
$80
Volatility Mean Reversion Strategy
VIX Quant Notebook
$49
Momentum + HMM Regime Filter Equity Quant Notebook
Cross-sectional equity momentum with a Hidden Markov Model regime filter. The regime filter is what makes this different, it's what cuts drawdown during trend reversals without killing too much upside.
$49
Funding Rate Carry Strategy
Crypto Quant Notebook
$49
Quant Strategy Templates Bundle
3 Backtested Notebooks
$99
Builder Stack + iOS
AI Builder Kit, Agent-Run Outreach Team and Ship iOS Apps from Windows
$82
Builder Stack
AI Builder Kit + Agent-Run Outreach Team
$55
Every App
all 109 offline apps and spreadsheet tools in one purchase
$39
Indie Dev Ops Kit
8 Google Sheets + Excel trackers for launching and running side projects
$25
Fitness & Sport Bundle
6 offline apps for lifting, endurance racing, golf and tennis
$26
Money & Records Bundle
6 offline apps for budgets, debt, invoices, time and shared costs
$27
AI Builder Kit
5 offline apps to spec, prompt, brief agents and de-AI your writing
$29Prototype sprint
Your idea running on your phone in 14 days. One senior engineer, fixed price, you own every line.
$9,500App Store launch
A polished app, live on the App Store under your name. Icon, screenshots, listing and Apple review handled.
from $28,000AI build
AI features that work and stay cheap to run.
from $18,000Advisory hours
Code review, advice and small changes from a senior engineer. $225 an hour.
$225/hrMonthly retainer
Ongoing work, one engineer on call.
from $9,000/moAutonomous distribution
An AI team finds the right conversations and posts for you, in your agreed voice. Measured every 4 hours, with a weekly report.
$1,000/mo · founding $500/moLaunch Teardown
Your page's leaks ranked, with a fix for each, plus 10 live conversations to join and 3 ready-to-post drafts.
$29Launch Check
A plain-English security and config check for apps built with Lovable, Bolt or Supabase, before you launch.
$49Sponsored article
A sponsored post or bundle, clearly labeled as sponsored. Matt reads and edits every word and keeps final edit.
$300 · $500Instant Research Brief
A cited Research Leaders (KOL) PDF for your topic, indication, molecule or therapeutic area, built from recent public PubMed records.
$149Federal Recompete Capture Brief
A cited 10-award capture brief: incumbent, agency, end date, values, competition type, set-aside, and a USAspending verification link for every row.
$49Short-Form Engine pilot
A paid pilot of our short-form service for YouTube creators: we turn your long-form video into vertical clips for Shorts, Reels and TikTok, with captions.
$99Etsy IP Sentinel pilot
A paid pilot of our monitoring for Etsy sellers in copy-prone niches like digital downloads and printables: we look for visually similar or identical listings.
$50Competitor Price & Stock Intelligence pilot
A paid pilot of our competitor monitoring for small e-commerce brands: competitor prices and stock levels in an intelligence report (PDF/CSV).
$49