Useful Tools

A non-directive calculator for comparing estimated monthly costs and available income in a current household and a possible independent one.

A browser-based tool for arranging PDF pages into booklets, binding signatures, or eight-page mini-zines, with a workflow for testing printer settings.

A free tool for estimating race-walking points and rankings, plus analyzing video for possible loss-of-contact violations.

An interactive reference for 2014–2018 BMW M3 production, filtering cars by market, year, version, gearbox, and paint.

A practical guide for private well owners, with symptom-based troubleshooting paths, pump and tank explainers, and a pressure-tank sizing calculator.

A Portuguese-language tool that tracks store prices and checks advertised discounts against prices it has previously observed.

A softball training tool for scouting pitchers, practicing pitch recognition, and designing pitches in a 3D lab.

A browser-based PDF toolkit centered on Hebrew and right-to-left text, with tools for merging, compressing, signing, OCR, and more.

A free set of calculators for people moving, working, travelling, or shipping between the US, UK, and EU.

An interactive visualization turns NOAA buoy readings into a five-hour stack of ocean conditions, with an ambient soundscape.

A public comparison of funeral-home prices across 10 US cities, covering direct cremation, burial, traditional funerals, and basic service fees.

A paid service produces counted readiness reports for six systems approaching or past vendor support, using customer-provided exports or files.

Herdstake offers agricultural lenders records-based screens that compare a borrower’s claimed cattle with feedyard permits, lien filings, buyer notices, and other public records.

An upcoming iPhone app for parents to save their children’s remarks, conversations, and the context around them.

This Mac utility checks a selected screen region for a condition you describe in plain language, then sends an alert through Telegram when it happens.

A browser-based tool for compressing videos to a chosen file size, with presets for common upload limits.

A searchable comparison of chord progressions in 1,029 Chinese pop songs and 1,070 Western songs, with downloadable MIDI.

Free browser-based tools program Mindstorms RCX, NXT, and EV3 bricks with block or text editors, then connect to and control the hardware.

Parcelsline explains what a customs status may mean, what to do next, and which legal deadlines may apply.

A browser-based editor for placing running or cycling data over action-camera footage, with the files processed on your computer.

A simulator for lure makers and tackle shops lets customers configure a lure and see an illustrated run before sending an order.

Soundsystem Builder lets users arrange speaker cabinets at real scale, paint the design, and generate build and budget paperwork.

A browser-based tool for comparing road, gravel, mountain and e-bike frame geometry, including how a frame change may affect your cockpit position.

A tipping tool for Kenyan streamers: viewers pay through M-Pesa, while a stream overlay plays a name, message, and sound.

A free garden tool for comparing whether vegetables and herbs make good neighbors, using garden-chart advice alongside research and yield trials.

A free, no-sign-up tool for composing virtual letters with customizable envelopes, wax seals, photos, and audio.

A browser-based Monte Carlo simulator for exploring when you could retire early and how much you might spend.

A free collection of camera-based games lets disabled children play through movement, without touchscreens, switches, or controllers.

An interactive rhythm sight-reading tool lets you tap along with examples drawn from a large, varied music corpus.

An interactive guide compares sightlines and neck comfort across seats at CGV Yongsan I’Park Mall IMAX.

A browser-based editor for country highlights, travel routes and campaign maps, with cuts timed to narration and MP4 export.

A free, read-only explorer for Solana bin pools, with tools to inspect liquidity by price, walk through a hypothetical trade, estimate fees, and check wallet positions.

A practice app for gender-affirming voice training brings teacher-assigned exercises, a tone generator, live pitch graph, and recordings together.

An interactive 3D map of one Point Richmond cove layers property parcels, seabed depth, aerial imagery, and Richmond tide predictions.

An interactive Kyiv map colors buildings by planned electricity-outage group and lists schedules by group.

An independent reference helps owners identify their Chinese diesel air-heater controller, look up its error codes, and follow troubleshooting checks.

A Canadian field guide compares duty-free shelf prices with nearby retail prices and includes a checker for personal exemptions.

Estineer turns fabrication-job inputs into drawings, code calculations, material lists, labor estimates, and an indicative price.

A research tool for comparing reported carbon-material properties through a filterable, interactive matrix.

A free, no-signup guide to Trans Bahagia buses in Kota Jambi, with route and stop information, bus positions, arrival estimates, and travel aids.

KnitGraph turns pictures, words, or blank grids into colorwork charts shaped to a knitter’s gauge.

Enter a pattern’s gauge and stitch counts to get recalculated dimensions and step-by-step shaping for your chosen size.

MCVSAID describes a local-first system for syncing spare Android phones as cameras for OBS, with manual switching or an optional AI director.

A collection of 45 free web tools for everyday tasks, from sizing a rug to timing sourdough.

A planning tool for barndominium owners that connects land search, building design, estimates, conceptual plans, and project management.

An experimental Windows torrent app designed to switch between a debrid service and the peer swarm without losing completed pieces.

SHRUB is synth firmware for the M-VAVE FM-1, with a browser editor, an in-browser emulator, and a VST3 version.

A free browser-based tool converts photos into cross-stitch charts with DMC thread colors, printable files, and stitch tracking.

A state-by-state guide to lemon laws and car warranties, with cited thresholds and a linked buyback estimator.

A public price dashboard compares Filipino farmgate prices by crop, grade, and region, drawing on public sources and farmer reports.

This free Chrome extension identifies Japanese Pokémon cards in marketplace listings and estimates the fees, shipping, and import charges to get them to your door.

A free 3D astronomy simulation that traces motion from the planets around the Sun out to the Milky Way and the Local Group.

CureBranch combines plain-English cancer information from public sources with a private space for patients to organize records and choose whether to share them.

Gtrained shows countdowns and forecasts for the NYC G Train and selected ferry stops, alongside official arrival times, backtests, and a Garmin watch setup.

A Korean guide to children’s outings reachable on foot from subway stations, with places and current events organized by station, region, and category.

A Mac app for recording guitar loops, stacking individually processed layers, and shaping them with virtual pedals and plug-ins.

Shelton presents a transcription workflow for hearings, interviews, interrogations, and meetings, with speaker labels, multilingual speech, and reviewable edits.

A free browser tool for shaping a skateboard deck, splitting it into printer-fit pieces, and downloading build files and a carbon-fibre reinforcement plan.

A source-linked planning guide for Ohio parents comparing summer camp registration dates, costs, financial aid, and state rules.

A greenhouse and nursery automation system that brings sensor readings, irrigation and climate controls together for monitoring from a phone.

But Did They Die? checks for published death notices for a contact before you send an outbound message.

A Mac vocal editor that detects notes and lyrics, then lets recording engineers adjust pitch, timing, vibrato, and harmonies.

A free planner for laying out ceiling lights against room dimensions, target brightness, obstacles, and ceiling hazards.

A searchable wheel-and-tire weight reference with fitment browsing, comparisons, and a combo builder.

A Spotify taste-visualization tool that turns listening or a playlist into a genre pie chart, alongside a live global genre chart.

A browser-based lab for comparing frame rates, measuring display timing, and testing what viewers can actually distinguish.

A pool-chemistry calculator that estimates what to add, how much, and in what order from pool details and test readings.

A fictional, replayable drill asks you to set rules for a toy agent, predict its decision, then watch the run.

A Portuguese woodworking catalog pairs furniture plans and assembly steps with material lists, adjustable 3D projects, lessons, and a sheet-cutting optimizer.

Archivistika presents a paid service for turning family photos, letters, and certificates into a searchable, shared archive.

A free, no-sign-up tracker for advertised apartment rents, move-in specials, and price histories across the Phoenix metro area.

A searchable library of Buddhist teaching stories, with a finder that matches stories to a situation or selected themes.

Searches and compares public bug bounty programs across platforms, with payout, scope, and change tracking.

Clavimo is a free, open-source Mac app for remapping keyboard keys, mouse buttons, and trackpad gestures to actions.

A free browser puzzle asks you to fold a square sheet until it covers a target outline exactly.

A browser-based editor for physics and mathematics diagrams, with exports to LaTeX/TikZ, PDF, SVG, and PNG.

A searchable set of country guides checks whether common apps, payment services, eSIMs, and VPNs work across 11 destinations.

A searchable reference for checking whether routers, cameras, NAS drives, and other networked devices still receive security updates.

A live status board for 108 mountain passes and seasonal roads across 13 states.

An interactive year selector turns future dates into planning prompts and past dates into measures of historical distance.

A free-to-start planner for earth-built homes, homesteads, shared land, and off-grid systems, linking a chosen project and place to land checks, permits, budgets, and build tasks.

A live-show tool that sends script cues to YouTube captions, stage surtitles, and audience phones from one control.

A native macOS app that inspects media files, measures audio and HDR properties, and checks files against delivery specifications.

Blockprint makes a buildable brick model from a photo, then provides step-by-step instructions and a parts list.

A phone app lets you frame personal photos or select museum and invited-artist works, then display them on a Samsung TV or save them for another TV.

Polishot is a screenshot tool for Windows and Android that offers framing, sensitive-detail redaction, text recognition, and phone-to-PC transfers.

This fan-made Queen’s Domain codex gathers enemy, boss, weapon, item, and guide entries alongside a damage calculator and game-stat explanations.

RateCarry compares original and revised civil tender spreadsheets, showing changed rows and carrying rates only when a strict match is found.

A free browser extension tracks time spent listening to videos in languages you’re learning across nine sites.

A collection of small web experiments, from a British Columbia personalized-plate checker to Whistler webcams and an offline llama game.

Independent guides explain veterinary costs and pet insurance, with calculators for estimating premiums, payouts, and break-even points.

A one-person collection of free, browser-based daily puzzles, from paper folding and packing pieces to cryptic clues and a secret-topic quiz.

A Windows utility for Chinese text entry, speech transcription, and translated HUD captions in VRChat, designed for SteamVR and Virtual Desktop.

A Chinese-language recordkeeping and compliance site for turtle breeders, with licensing guides, hatch countdowns, lineage charts, and ledger tools.

A Chinese research-tools lab presents an open cell-separation rack, a biomedical literature-search plugin, and two assay tools at different stages of development.

A browser-based tool that turns a floor plan from a property brochure or photograph into six A3 architectural sheets in one PDF.

A Qatar-based navigation app presented for Gulf drivers, combining saved places and voice guidance with offline maps and desert-oriented tools.

A Japanese fan site that combines a searchable Animal Card Game card database with deckbuilding and probability tools.

Antonio Rescigno presents three free tools: two for music-release tasks and a Mac app for tracking Claude Code sessions.

Athleyes presents RingScore, an iPhone app that tracks boxing activity from live or imported phone video and organizes the results by round.

An open-source Windows beta for mobile-game UA teams that analyzes creative assets, connects variants, and preserves human judgments for later reuse.

A Korean escape-room guide that pairs a searchable theme directory with tools for tracking visits, finding rooms, and comparing group tastes.

A public tracker for Codex banked-reset announcements, observed deposits, and expiry planning.

Binqo is a free Mac app that puts a character named Mielo alongside quick access to music, files, focus, weather, clipboard actions and spoken answers.

BlastSimulator maps estimated effects and casualties for nuclear, conventional, and fictional explosions at locations around the world.

Bovelio Laundry is Android software for laundries serving hotels, restaurants, and clinics, covering collection, sorting, delivery, staff tasks, and monthly statements.

A browser-based phone experience for placing a giant red bow on a building or nearby wall, then sharing the photo.

A quoting and nesting tool for SLS, MJF, MJP, SLA, and FDM production, using machine settings and shop rates to price parts.

A weekly service for trades and suppliers to find building projects by work type and NSW postcode, suburb, or council area.

A live-map interface for Montréal-area buses, with route search, trip planning, favorites, and accessibility settings.

A guide for musicians checks cabin policies across 41 airlines and provides a gate card, an incident log, and a complaint-letter workflow.

A surveyor-made Windows toolkit for AutoCAD and Civil 3D, covering coordinates, areas, volumes, sections, and reporting.

A free collection of calculators across nine subjects, each presented with a step-by-step derivation.

A paid browser-based tool for analyzing music and planning harmonic DJ sets, with live performance guidance and an accompanying mixing academy.

A free calculator estimates an arch’s height and headroom from a cattle panel’s length and the span, then counts materials for a single arch or tunnel.

The site presents a tool for turning UK bank-statement PDFs into Excel, CSV, Xero or FreeAgent files, with checks for balance arithmetic and missing months.

A sourced directory of international-department details for 53 hospitals across five Chinese cities, including addresses, contact routes, named languages, specialties, and insurer billing notes.

A Portuguese-language guide to independent and non-commercial cinema screenings in Lisbon.

A paid weekly feed of premises licence and selected planning applications, organized for suppliers seeking new bars, restaurants and shops.

CometCue is Windows radio-automation software for running up to three stations, with a separate AI music director for each.

An in-development iPhone and iPad app for preparing conservation reports, with photographs, annotations, tests, samples, and treatment records kept together.

EARL sends contractors a weekly digest of construction work in the Columbia Basin, following projects from early public filings through bids and awards.

CRIT helps architects, organizers, jurors, and researchers assess competition briefs across eligibility, fees, jury process, rewards, and intellectual-property terms.

A browser-based tool for turning photos into editable crochet charts, with controls for stitch count, colors, and gauge.

A browser-based nesting tool arranges SVG parts for laser cutters, CNC routers, and vinyl cutters, with SVG and DXF exports.

Free chairing software for Model UN conferences, covering roll call, debate, motions, voting, committee tracking, and awards.

An upcoming iPhone app turns one task with a deadline today into a candle that melts in real time.

An upcoming iPhone and iPad alarm app that makes a camera-tracked boxing round the way to snooze or switch off.

A classroom noise meter lets teachers try to keep a sleeping puppy asleep as students work.

A free, fan-made toolkit for Pokémon Champions doubles: usage stats, tournament results, teams, matchups, and battle tools.

A free browser tool that turns an uploaded song into separate kick, snare, tom, hi-hat, ride and crash stems, alongside bass, vocals and the rest of the mix.

The firm offers desktop software and investigative services to help people targeted by coordinated online harassment preserve and document evidence.

Ebb is a Mac activity monitor that records system activity and lets you review what was happening around a slowdown.

Electrical Panel Handbook offers plain-English guides on panels, breakers, wiring, permits, and electrical loads.

A Spanish-language TV finder uses your budget, room conditions and viewing habits to suggest models, alongside a sourced catalog and comparison tools.

Pre-launch software intended to help small data brokers process California DROP deletion requests on their own servers.

A DMZ tactical map and research desk for location intel, loot, crafting, patch reports, and planning a raid; the site also offers squad discovery for other games.

A browser-based tool generates fantasy maps for D&D, novels, and worldbuilding, with free PNG downloads and paid high-resolution exports.

Faracta says it sorts newly filed permits by trade and sends contractors a daily email digest for Sacramento, Placer County, and Stockton.

A bilingual web tool that compares a photo’s visual style with photographer profiles and assesses how film-like it looks.

A free iPhone app for film photographers to record rolls, frame exposures, meter light, and keep notes from shooting days.

Fokomi presents free Mac apps with tiny pets that help plan the day, accompany focus sessions, and visit friends’ screens.

An iPhone app for clinicians to scan feet in 3D, organize scans by client, and export meshes for orthotic design.

Fulgy is a macOS snowfall app with snow that can collect on windows and the Dock, be shaped into snowballs, or cleared with a snowplow.

GAB CI presents a free, crowdsourced app for finding nearby ATMs in Abidjan and checking their reported status and queues.

A photo-to-coloring-book service that lets you preview a page for free, then make a printable book for $12.

GUARD says it monitors public physician-directory pages and review signals, then drafts corrections for physicians to submit themselves.

LOGIDOC says it reads shipping instructions, VGM documents, and booking confirmations from an Outlook inbox, checks them for errors, and prepares the data for carrier forms.

PageNine lets trading-card vendors turn binder pages into searchable inventory that buyers can browse from their phones.

A guided wedding-newspaper maker that turns couples’ notes into a designed paper with a love story, wedding-party profiles, puzzles and day-of stationery.

A forthcoming iPhone app for planning a drinking night, logging each drink, and reviewing the morning after without an abstinence-or-failure frame.

A driving app that alerts Ghanaian drivers to speed cameras, police checkpoints, crashes and other road reports, alongside speed limits.

A searchable U.S. hot-springs directory with details on fees, access, hike length, water temperature, clothing rules, and nearby camping.

A brand-by-brand guide to dating appliances from their serial numbers, with recall checks and lifespan guidance.

An Android app for adding speed, lap times, track maps, and other telemetry to onboard karting and track-day videos.

IBERASIC is a hashboard tester for Bitmain, Whatsminer, and Avalon mining hardware, with chip-level detection, hash, voltage, and temperature tests.

A browser tool for resizing, cropping, compressing, converting, and watermarking images, with batch processing and local exports.

A small self-hosted program for turning a dropped image or pasted screenshot into a shareable short link.

A public comparison of Botox, filler, and skin-treatment prices published by med spas in 10 U.S. cities.

A beta-stage scanner is designed to identify Pokémon cards from a camera and compare raw and graded prices from TCGplayer, PriceCharting, and recent eBay sales.

A browser-based checker for public IP, DNS and WebRTC leaks, browser environment, and connectivity.

A Hebrew digital field guide to birds of Israel, with species search, photos, identification notes, habitats, and seasonal viewing information.

家忆 presents a family-memory service that organizes photos and other keepsakes forwarded through WeChat, then turns them into timelines, family letters, and trip recaps.

A $37 digital set of 20 woodworking plans lets buyers adjust dimensions and redraws the cut list, lumber-yard list, and board map to match.

A directory of free calculators and finders for everyday questions about work, taxes, retirement, home costs, health, family, and travel.

A Korean electricity-bill calculator estimates how much more household appliances will cost to run, using the home’s usual consumption and progressive tariff steps.

An interactive atlas for exploring geological map sheets of Kazakhstan, with national and global geology views.

linux.help presents a French-language command decoder, server-triage recipes, and a browser-based Linux terminal simulator.

A Windows app for setting up Le Mans Ultimate sessions, looping track sections, and timing practice runs.

A city-by-city directory for comparing public sauna prices, hours, sauna types, and cold-plunge availability.

A free Windows overlay for Age of Empires IV that provides live build-order guidance, economy alerts, hotkey drills, and post-game review.

Letterhead lets you shape a typeface in your browser with sliders or by dragging the letters, then download a font file.

A guided planning tool helps public library staff assess and strengthen maker programming for youth with disabilities.

A B2B search project for finding companies in Latin America using data from official public sources.

A free Japanese map tool for estimating roof, wall, and site areas, measuring distances, and viewing hazard overlays.

Métrica is an iPhone songwriting app that describes tools for counting sung syllables, marking rhymes, finding words and practicing freestyle.

A filterable LLM tracker combining model releases and benchmark rankings with estimates of what will run on a given GPU.

A Telegram bot and mini-app for confectioners to manage orders, recipe cards, ingredient stock, costs, and a customer-facing dessert menu.

An Italian practice-management tool for veterinary nutritionists building home-cooked, BARF, and mixed diets for dogs and cats.

A macOS voice-input tool that transcribes speech and tidies the text locally before inserting it at the active cursor.

name-still-tbd generates company names and checks them against domains, trademarks, social handles, existing names, and other potential snags.

A Chinese-language guide to children’s activities and family outings in New York City and nearby areas, with dated listings and practical filters.

An interactive map of the world of A Song of Ice and Fire, with 3D exploration, house allegiances, character journeys, and distance measurement.

A watch app for scoring padel, tennis, and pickleball, with an optional Android companion for match history.

A searchable corpus of Uzbek texts for examining how verb forms are used across four writing styles.

Painfold cleans CSV or Excel feedback files by replacing personal details with labeled placeholders in the browser.

A free browser-based tool for sizing passport, visa, exam, and ID photos to listed requirements.

A country-to-country guide to pet import requirements for dogs, cats, ferrets, and pet birds.

A Japanese pickleball guide combining a nationwide venue directory with beginner resources and interactive practice tools.

Pixelquencer presents browser-based MIDI controllers and step sequencers for synthesizers, drum machines, and plugins.

A free, interactive song player shows notes falling onto instrument keys so you can tap along or play a real instrument.

A native Mac app for importing laboratory data, plotting and analyzing it, then exporting figures in publication formats.

A route and billing tool for snow-removal owner/operators, with customer management, stop tracking, and QuickBooks-ready exports.

A Mac utility puts music controls, clipboard history, system stats, Claude Code sessions and other modules around the MacBook’s notch.

A Costa Rica-focused price comparison site for products across supermarkets, pharmacies, hardware stores, and technology retailers.

A research tool for 3D-print sellers that compares product demand, competition, estimated profitability, and legal risk before they choose what to print.

A Spanish-language Windows utility suite for technicians repairing PS4s, PS5s, controllers, and console boards.

A bilingual macOS utility turns a light tap on a Magic Mouse into a left- or right-click, without physically pressing the mouse.

A calculator and trip tracker for car haulers weighing loads from Central Dispatch: estimate profit, find a counteroffer price, and track driver pay and broker debts.

Rapportwerk presents mobile field-reporting and invoicing software for Swiss heating, plumbing, ventilation, and air-conditioning businesses.

A music-taste test scores your favorite artists against a stated comparison set of 84,522 listeners.

An iPhone app in testing for learning to identify Red Sea fish and recording the ones you encounter.