Useful Tools

A storm-chasing map that combines radar, warnings, forecast models, satellite imagery, and live road cameras.

A Monopoly Deal strategy project combining a simulation-backed book, daily puzzles, a browser coach, research, and planned live-table tools.

An open-source ATC simulator for Microsoft Flight Simulator 2024 that handles radio traffic, phraseology, readbacks, taxiing, vectors, weather, and emergencies offline.

A local-first Mac and Windows app turns anonymous computer activity into a personal record of your working patterns.

Yapmesh describes a phone-to-phone messenger for chats, files, groups, polls, voice notes and SOS without internet, SIM cards, servers or accounts.

An open-data map that ranks Belgrade’s 1,024 microdistricts by rent, noise, air, transit, greenery, amenities, and other daily-life factors.

A free browser-based editor for drawing molecules and reactions, checking structures, and exporting them in chemistry-friendly formats.

A browser-based computational laboratory that lets users alter conditions and inspect possible futures across countries, cities, economies, energy systems, and conflicts.

A shop of printable and fillable organizers for difficult life transitions, beginning with foster-care and school-change paperwork.

An independent US index for looking up HVAC equipment, matched systems, efficiency ratings, and the source records behind them.

Lakpa is a small software workshop making four focused apps for reading, AI subscription quotas, agent prompts, and crowded Mac menu bars.

An offline Magic: The Gathering collection manager that records the physical box, binder, or deckbox containing each card.

A private browser archive for recording things you would not buy, read, watch, drink, visit, or try again.

A bilingual Khmer chess app and browser game with six bot levels, daily puzzles, rule explanations, and offline play.

A local-first AI tool helps novelists develop a premise, cast, subplots, structure, and scene beats without generating their prose.

A browser-based visual music instrument that turns drawings into playable melodies and exports them as WAV or MIDI.

A route-planning tool for finding wineries along the drive from northern Europe toward the south of France.

A browser-based retirement planner models federal taxes, Roth conversions, ACA subsidies, IRMAA, survivor income, Monte Carlo outcomes, and historical scenarios.

A browser-based music-making playground where beginners build beats from visible blocks, shape sounds, and work with an explanatory AI co-producer.

A browser arcade that turns a Bluetooth smart turbo trainer into a game controller, with pedals driving movement and handheld controls handling the rest.

A curated directory of tea houses, tea rooms, shops, festivals, and city guides around the world.

A public-data tool turns a Pons wallet’s trading history into a shareable PNG card.

A compact guide to paper grain, pamphlet stitching, beginner tools, sheet sizes, and folding calculations for making a first book.

MoleculeStat assembles statistical methods from the shape of a dataset, checks their assumptions, and verifies results against R without calling an AI model.

A French-language browser tool analyzes World of Warcraft combat logs to explain deaths, missed interrupts, defensive cooldowns, and raid or Mythic+ failures.

A fan-made reference database covering Aniimo creatures, items, skills, elements, places, and an interactive world map.

An iPhone app that compares restaurant menus, QR-linked menus, PDFs, and packaged-food labels with a user’s allergy profile.

An open-source local announcer that reads Magic Arena logs and narrates matches with synthesized play-by-play.

Aszendra is a free macOS and Windows browser with built-in ad and tracker blocking, a separate password vault, sleeping tabs, and no accounts or telemetry.

A privacy-first collection of 46 developer utilities for encoding, conversion, text work, validation, networking, and time calculations.

A redirect-and-banner tool that lets launchers update old emails, posts, bios, slides, and QR codes from one control panel.

A native iPhone app for viewing, grading, monitoring, and exporting Blackmagic RAW files directly from a USB-C SSD.

Operational software for butcher shops, meat processors, and locker plants, covering preorders, cut sheets, animal tracking, counter orders, labels, and invoices.

A prelaunch app that turns a desired purchase into a habit-powered waiting period before checkout.

A Brazilian agricultural-credit tool cross-references rural properties with CAR, SICOR, PRODES, land-use, and ZARC data.

An interactive piano tool teaches chord construction through interval math, keyboard practice, drills, MIDI input, and sampled instruments.

A free Windows and macOS widget that displays Claude account limits, reset times, usage pace, and backup status.

Columns lets you upload a CSV, ask plain-English questions in column headers, and receive row-by-row answers with confidence numbers.

An independent Roblox game reference pairing sourced codes and unit data with a tool for building legal four-unit armies.

A searchable dataset of Tennessee parcels that combines county records, ownership details, aerial boundaries, tax-sale dates, and selected sale outcomes.

A free iPhone app that puts Chicago Public Schools breakfast, lunch, and snack menus on the right day, meal, school, and grade band.

A browser-based tool that compares billing and product-access CSV exports and produces an exception report.

An Android app that tracks earthquakes from Kandilli and USGS data, filters alerts by distance and magnitude, and lets family members share their status.

A phone-based diary for tracking a doctor-prescribed steroid taper, daily tablets, morning symptoms, and changes to show a clinician.

A map generator and online lobby for Beyond All Reason that builds symmetric battlefields with terrain, resources, reclaim, trees, and player starts.

A free French-language tool that removes sensitive information from PDFs, Word files, and pasted text before sharing them or sending them to an AI.

Upload a photograph, painting, screenshot, or film frame and Engram predicts how five visual-cortex regions respond.

A retro-styled desktop player for local music, internet radio, looping, pitch work, and lossless-file conversion.

A browser-based editor for designing Eurorack front panels with live 3D previews and manufacturing-ready exports.

Eventory is an interactive map for finding festivals, matsuri, markets, concerts, and exhibitions across Japan.

A free Windows scanner that detects devices, identifies vendors and services, and puts connection tools beside the results.

A private emotion journal that guides users from a broad feeling to a more specific word through a three-step wheel.

Frasiey turns a meeting-room laptop into live captions that attendees read on their phones, with translation available in 100 languages.

A forthcoming iPhone app that gives voice warnings for low-clearance points and tolls along routes taken with bikes, roof boxes, campers, or other tall loads.

A browser-based football match desk for managing squads, running orders, live incidents, shouts, and the final report.

A white-label ticketing system that puts checkout on a venue’s domain and sends ticket payments directly into its Stripe account.

An Apple Watch scorekeeper for tennis, pickleball, and padel, with sport-specific rules, health data, practice drills, and an iPhone scoreboard.

An iPhone app that finds geotagged fish photos, identifies likely catches on-device, and exports reviewed locations as GPX or CSV.

A watch-only Apple Watch app that times a 20-second handwash from motion and running water.

An Android health-record app for logging readings, doses, medicines, meals, sleep, activity, and other vitals offline.

Free, open-source Windows software that analyzes rifle targets from photographs or scans.

A browser-based toolkit for viewing, converting, inspecting, compressing, and cleaning HEIC/HEIF photos.

A Japanese pricing database comparing virtual offices, incorporation costs, corporate bank accounts, and accounting software for solo and small companies.

A browser-based calculator for checking indoor humidity, dew point, and condensation risk room by room.

A forensic repair tool for damaged .xlsx, .docx, and .pptx files.

A specialized PDF imposition program for print shops, handling booklets, layouts, crop marks, variable data, barcodes, and print-ready exports.

A searchable daily list of Copart vehicles consigned by insurers, filtered for repairable titles, keys, running status, mileage, and model year.

A private net-worth app where you manually enter balances, track what you own and owe, and keep the records on your iPhone.

A live scoring system for Carnival competitions that puts judges' marks on their phones and produces a printed sign-off sheet.

A scene-building tool for mining trainers to arrange equipment, walk through procedures, and export diagrams or PowerPoint slides.

A Chilean tool for separated parents to record, split, and document their children’s expenses.

A free fitness app pairs workout, food, and body tracking with three character-driven coaches who count reps and keep you company.

A Japan travel guide and calculator that compares real train fares, rail passes, walking distances, blossom timing, and deer-injury data, beginning with Nara.

A French-language toolkit with 41 free Excel and CSV operations, performed locally without uploads or an account.

A browser-based tool for removing personal data from PDFs, Word files, scans, and photos without sending documents away.

A browser-based transcription and subtitling tool for interviews, meetings, and videos that processes recordings locally.

A searchable decision record for small-to-mid-sized architecture practices.

An interactive guide to 86 knots for camping, boating, fishing, loops, lashings, and everyday ropework.

A detailed typewriter simulator that lets you compose pages with mechanical controls, wearing ribbons, correction paper, and printable output.

A Shopify feature lets shoppers switch a lighting catalogue into night mode, showing each lamp in a generated lit version of its own product photo.

A browser-only toolkit for viewing, formatting, validating, searching, and extracting data from JSON, XML, YAML, CSV, logs, and PDFs.

A browser-based editor for turning songs and timed lyrics into animated lyric videos.

A free browser tool that turns uploaded music or YouTube sources into osu!mania beatmaps for 4K, 7K, or 10K play.

A browser-based shopping list that divides one household’s needs between stores, remembers recorded prices, and orders items by the route through each shop.

A browser-based converter that turns Markdown into formatted clipboard content for Word, Gmail, Docs, and Notion, plus TSV for Excel and Google Sheets.

Kellan turns shelf-walk stock counts into shared restock tasks and supplier-ready order drafts for cafés, food trucks, and similar operators.

memtok turns a TikTok JSON export into a searchable library of saved videos, collections, dates, creators, and categories.

An offline tea-brewing notebook with steeping tables, a temperature-aware timer, tasting vocabulary, and three short guides.

A Korean coastal utility that combines tide times, currents, marine weather, moonlight, fishing spots, and seasonal species.

A browser-based tool that turns batches of audio files into randomized remix-like WAV reprints.

An appliance-cost calculator that combines wattage, daily use, and state electricity prices to estimate running costs.

A Lithuanian workflow system turns an apartment-renovation address and a few answers into a dated project plan, deadline alerts, document templates, and progress views.

A free macOS companion that puts music, notes, a file shelf, focus timers, system status, voice commands, and coding-agent activity in the MacBook notch.

An offline tea reference with brewing tables, a temperature-aware timer, tasting vocabulary, and three short guides.

A Polish fan site with small interactive tools for reading parry windows, rush burnout, Drive gauge states, stance pairings, and frame terminology in Street Fighter 6.

A Japanese origami practice notebook that helps people choose projects, follow their progress, and keep a record of what they have folded.

Packlabs lets people design cards, assemble rules without code, lay out a turn, and play the resulting game against a computer opponent or at a shared table.

PaperPull is free, open-source desktop software that collects bank statements, receipts, and transaction records, saves them as organized PDFs, and builds spreadsheets on your computer.

A browser-based party-game table for 5–10 friends, with Avalon and undercover word bluffing played on individual phones.

An offline tea reference with steeping tables, a temperature-aware timer, tasting vocabulary, and short guides to water, ratios, and brewing faults.

An iPhone app for timing unfinished household tasks, attaching photo or note evidence, and sharing lightly judgmental receipts.

A soccer coaching system that pairs formations with player jobs, tactical explanations, practice sessions, matchups, and playing-time tools.

A free browser puzzle game in which players clear arrow-pointing pieces by finding the only order that lets them leave the board.

A Safari extension for macOS that captures whole webpages, selected elements, or regions, then turns them into images, PDFs, scrolling videos, or text.

A focused estimating service turns a contractor’s voice note into a scoped, branded quote without setting prices itself.

A property-inspection tool that turns room photos, condition notes, and tenant signatures into a shareable report designed to resist later edits.

Offline presentation software for church services, with the KJV, DCLM hymns, sermon-note imports, scripture search, and projector control.

A French household calculator that measures both who does the chores and who carries them in mind.

A public chemistry explorer for looking up molecules, inspecting reactions, and following mechanisms on real structures.

A French preparedness guide that assesses a household’s water, light, information, food, medical, document, and evacuation-plan readiness.

A Cinema 4D plugin that imports Rhino .3dm files while preserving layers, blocks, materials, curves, and other scene structure.

A native Mac workbench for digitizing film negatives, refining individual frames, and reviewing an entire roll in sequence.

A searchable Japanese database of social-media and advertising controversies, organized by industry, platform, and cause.

A Philadelphia project builds custom structural, civil, and inspection-calculation tools for small engineering firms.

SealsCrafter turns an English name into a Chinese name seal, with meaning notes, carving styles, shapes, and transparent PNG export.

A local-first iPhone and Mac app that masks personal data before text, documents, or images are sent to an AI service.

A Russian-language iPhone app that reads iiko and Syrve records to flag unusual restaurant operations.

A browser tool that overlays sheet music or tablature on a playing video, synchronizing the notation to the recorded performance.

A personal suite of Roman chronological and liturgical tools, from Gregorian computus to monastic-hour calculations.

A free Turkish room-planning tool that tests whether furniture fits, collides, and leaves doors usable.

A film-tracking diary for Indian audiences that logs theatre and OTT viewing, ratings, reviews, lists, and watch history.

A Spanish-language iPhone app unlocks selected apps for each squat completed in front of the camera.

A zero-PHI task and interruption system for emergency-department nurses, organized around NOW, NEXT, and LATER.

Sukhi Play is a free, open-source desktop browser that lets a child use selected websites without reaching your files, inbox, tabs, or the rest of the web.

A terrain-aware estimator for LiDAR and photogrammetry drone surveys that calculates area, flight time, battery sets, and flight routes.

An interactive catalog compares thermal scopes, monoculars, clip-ons, and binoculars using sensor-and-lens estimates alongside manufacturers’ claimed ranges.

A Japanese collection of free, registration-free calculators, comparison tools, practical guides, and work-focused reference material.

A Japanese directory that helps people find practical global tools by starting with what they want to accomplish.

A Pokémon card-trading platform that matches wants and binders into direct swaps, uneven trades, and multi-person loops.

A convoy-driving tool that combines an open voice channel, a live map, shared navigation, CarPlay support, and post-drive replay.

A browser-based toolkit for converting, editing, organising, checking, and cleaning up images, PDFs, spreadsheets, CSVs, and archives.

A browser-based toolkit for converting and processing CAD, BIM, GIS, 3D, PCB, CNC, point-cloud, and document files.

A household water-filter directory that compares contaminant claims, replacement cartridges, rated capacity, and supporting sources.

An unofficial live tracker showing the film currently airing on Criterion Channel’s continuous stream and preserving its broadcast history.

A location-aware directory of bathroom codes for coffee shops, restaurants, and stores, contributed and confirmed by people on site.

A beginner's notebook on paper grain, pamphlet stitching, tools, sheet sizes, and folding paper into book sections.

A searchable tracker showing whether popular apps fill, partly fill, or letterbox the inner display of the forthcoming iPhone Duo.

A Windows tool that records meetings, transcribes Arabic, summarizes sessions, and produces decisions, tasks, PDFs, and WhatsApp-ready text.

A Mac app that turns lecture PDFs into slide-by-slide spoken explanations, with the app pointing to the material it is discussing.

A phrase converter and pronunciation guide for an Irish-influenced St. John’s Newfoundland accent.

A mobile-friendly accounting and coordination tool for housing societies and RWAs in India.

A receipt-splitting app that assigns each diner their food, tax, and tip instead of forcing an even split.

A Portuguese-language toolbox for calculating, converting, generating, formatting, validating, and organizing data directly in the browser.

A bilingual Chrome extension groups tabs by topic, sleeps neglected ones, and archives the tabs you are reluctant to close.

A training program for rope climbers that compares predicted falls with what actually happened.

An offline-first sales ledger for small shops, with one-tap billing, daily totals, credit tracking, GST invoices, and optional inventory tools.

BundleShield checks SVG and PNG bundles against a supplied license and returns a file-by-file risk report before listing.

BurstSight predicts failure likelihood across water and sewer networks, turning GIS exports and maintenance history into ranked renewal lists.

A searchable guide to Korean university festivals, with dates, campuses, performers, sources, and visit-planning notes.

Nero24 is a Polish knowledge center for Victron Energy systems, combining product cards, diagnostics, wiring schematics, calculators, error-code references, and Node-RED guidance.

A paid service that turns photos of rented, stored, moved, or delivered belongings into timestamped, tamper-evident condition records.

DPDP Bot scans a website’s homepage and one privacy notice for signals related to India’s Digital Personal Data Protection framework.

Dropinn moves files and text between phones, computers, and tablets without an app, cable, account, or shared operating system.

Upload a fulfilment invoice and, optionally, your orders export and rate card; FeeCatch checks charges against what actually shipped.

A Japanese event tool that shows performers’ approximate current areas and rotating team schedules across two FRESH FES days.

A browser-based guitar toolkit combining tuning, ear training, song practice, looping, drums, recording, mixing, and mastering.

A Sleeper-connected service turns weekly results, trades, rivalries, and championship history into recaps and a searchable league archive.

A website critique tool that screenshots a public homepage and returns three specific, pinned callouts, with a paid teardown for deeper fixes.

Hauler coordinates roll-off containers, drivers, job sites, yard status, billing, and haul margins in one dispatch system.

A branded, QR-powered check-in site that helps people at coworking spaces, clubs, cafés, hotels, and events see who is open to conversation.

A searchable map of 100 Japanese shrines, natural sites, and other places connected to dragon gods, water deities, and related traditions.

A browser tool that styles FL Studio drum-kit folders with icons, colours, cover art, read-me files, and tagged WAVs.

A desktop app that transcribes calls, maintains a running summary, and answers questions from the conversation with three keyboard commands.

A macOS utility maps hidden storage, identifies what is taking up space, and separates rebuildable clutter from files you should leave alone.

A set of eight short browser tests turns reaction time, memory, attention, timing, and perception into one personal score.

No Errands lets Meta’s Muse agent mail letters, send faxes, book appointments, and call restaurants for tables.

A small documentation site turning Saskatchewan immigration instructions and Canadian firestop systems into searchable, plain-language references.

A playful macOS utility that puts music, files, timers, weather, calendar tools, and more inside a Mac display notch.

An educational explorer compares 11 reactor designs from 1 MWe microreactors to 1,650 MWe large plants, alongside planning and calculation tools.

A practical amateur-radio hub combining callsign lookup, band references, guides, articles, calculators, and community listings.

A free Android app for discovering parks, planning stops, keeping pass records, and downloading selected map areas for offline use.

A compact baking reference with baker’s percentages, pantry and oven guides, three recipes, and a calculator for scaling batches.

A subscription bundle of Chrome extensions that adds prompt libraries, grammar fixes, summaries, X reply drafting, AI companionship, and more inside the sites people already use.

A field-focused calculator for pipe offsets, rolling offsets, equal spreads, pipe weight, saddles, and miters.

A voice-first food and exercise tracker that lets two people log meals, share progress, and manage separate nutrition targets.

An interactive Git learning tool where learners type real commands and watch a repository respond through guided, bite-sized levels.

A browser-based checker that tests Powerball tickets against every draw since October 2015 and generates picks from combinations that have never appeared.

A 3D-printing calculator that combines filament, electricity, machine time, labor, shipping, failures, and markup into a suggested selling price.

Privacybench reads iOS App Store privacy labels, scores declared data collection from 0 to 100, and ranks apps.

A free Windows utility that tracks Wardogs match profit, cash flow, earn rate, and role XP from the game's Steam Rich Presence data.

Paste in words or a sentence, choose from eleven puzzle types, and generate matching puzzle and answer pages for printing.

QBRANKS ranks NFL quarterback performances game by game, from the best ever to the worst, using a season-adjusted scoring system.

A native Windows radial menu that changes its actions according to the app, file, or clipboard content in front of you.

A native macOS tool in development that checks App Store keyword positions and stores dated results locally.

A browser-based PDF reader that speaks sentence by sentence while highlighting each sentence on its original page.

Search 10,225 model-year vehicle recall reports by year, make, model, campaign, and component.

A Spanish workflow tool generates electronic DeCA transport documents, gives each one a QR code, and keeps the resulting PDFs available for roadside inspection and office records.

A searchable database for photography salons and circuits carrying FIAP patronage, PSA recognition, or a GPU licence.

A football scouting site that ranks young players using playing time, production, age, league level, market value, and value growth.

A searchable directory of solar panels, inverters, batteries, storage systems, meters, and power-control equipment.

An AI-assisted SOX testing tool that matches evidence to samples, cites the source page, records overrides, and hash-chains the audit trail.

A coach-built interval timer that turns drills into shared phone-based sessions with voice cues, visual countdowns, and team sync.

An AI calling assistant that helps people find Japanese businesses, prepare questions, and handle calls in Japanese, English, or Spanish.

A location-aware aurora forecast that combines geomagnetic activity, cloud cover, moonlight, darkness, and light pollution.

Tons tracks workout volume by translating sets and reps into the weight of familiar objects, from cars to elephants.

A Spanish-language engineering toolkit combining interactive calculators, technical guides, and a circuit simulator.

A vehicle-reference site that lists towing capacity, payload, GVWR, and GCWR by exact truck or SUV configuration.

A community-powered aircraft tracker focused on general aviation, microlights, helicopters, and other local flying across Northern Ireland, Ireland, and the UK.

An Android app estimates the weight of cattle, sheep, pigs, and horses from a phone camera, without a scale or handling chute.

A refusal generator that turns one unanswered question into an SMS, chat reply, social post, email, or mock dissertation.

A comparison catalog of 53 rifle scopes across 17 brands, with filters for magnification, focal plane, turret unit, price band, weight, and more.

Fitz reads a résumé in the browser, ranks live job listings by fit, and shows the reasoning behind each score.