Useful Tools

A Spanish-language tool for comparing 2027 Medicare Advantage plans in Puerto Rico using a person’s doctors, medicines, and other stated needs.

A browser-based mapping tool that turns New York lidar elevation data into terrain analyses, property reports, and downloadable map files.

A handheld-controlled robot prototype moves full trash and recycling bins between a home and the curb.

A publishing tool for day services, care homes, schools, and community groups, where contributors can send voice notes, drawings, photos, or words without creating an account.

Orbis Darts scores steel-tip darts in a browser, with a playable demo and downloadable files for a three-camera board rig.

Cook the Bill compares a fast-food receipt with the estimated cost of making a similar meal at home, including the grocery-store trip.

An Arabic-language astronomy reference combining practical skywatching guidance, a location-based sky atlas, calendars, and material on Arabic astronomical heritage.

Kiran Building presents a free planner for resizing furniture and building projects, with cut lists, shopping lists, and step-by-step plans.

A browser-based 2D and 3D airflow simulator lets users sketch shapes or import images and models, then inspect the flow and its measurements.

Search by city, utility, or state to see EPA PFAS testing and violation records, with guidance on filters that may fit.

A free, open-source collection of browser-based calculators for calibration work, from RTD conversions and pressure units to uncertainty budgets and decision rules.

A free, open-source sideline play tool for coaches of young flag-football teams.

An interactive Tokyo map for exploring an explicitly educational, art-directed nuclear-impact scenario and its cited pressure and population references.

An open-source desktop app and CLI that turn documents into PDFs, giving oversized diagrams and tables pages that fit them.

A free tool for comparing ship and company emissions, fuel use and EU ETS allowances using public THETIS-MRV reports.

An unofficial Probably Stolen fan site with item-appraisal, water-mixing, and production-profit tools, plus a sourced item reference.

A French-language calculator translates everyday activities into the amount of water a hydroelectric dam would need to turbine to generate the same energy.

A math-learning tool that checks typed or uploaded proofs, identifies where reasoning first fails, and offers a nudge instead of a finished answer.

A browser-based Apollo 11 lunar-landing experience built around the mission’s 1969 Luminary 099 guidance software.

A macOS beta that reads aircraft engine-monitor and GPS recordings, tracks changes between flights, and keeps maintenance records alongside the data.

A Texas-focused calculator estimates how long backup power options can run selected household appliances and helps produce a printable outage plan.

A browser-based tool for organizing claims, sources, and your own assessment into an exportable evidence receipt.

An interactive map and set of guided stories make connections between Bible passages searchable and explorable.

A searchable register of 1,140 major hills, with measurements, rankings, list comparisons, and a bagging tracker.

An interactive tool compares EPA fuel-economy ratings across vehicle models and years, translating them into estimated annual gallons based on mileage and city-driving share.

Yata is a free, open-source Windows notch that puts media controls, calendar items, reminders, and other glanceable tools near the top of the screen.

FlowLine is a transportation management system for carriers that routes EDI load tenders to a person, tracks the response deadline, and sends an accept-or-decline reply.

An interactive chart compares what one bitcoin could buy—from dollars and gold to eggs, homes, and hours of work—across time since 2010.

An open-source ADB utility for disabling system ads, promotional feeds, and marketing notifications on supported Android phones, without root access.

A free iPhone app maps Brevard, North Carolina’s bike path, connecting routes, useful stops, and curated rides.

Breadslicer is an early-access MSLA slicer for preparing resin prints, from model transforms and hollowing through support generation, layer review, and printer-file export.

A free Korean-language set of end-of-life planning tools, including a personal notebook, checklists, and an inheritance-deadline calculator.

A relationship-genetics site with a DNA-file comparison tool, cousin calculators and laws, and a booking flow for couples’ carrier screening.

An Android and browser app for scaling dough to your pans, planning a bake backward from serving time, running timers, tracking flour, and caring for a sourdough starter.

ISO Stack compares CRM, residual, boarding, and related software used by merchant-services operators.

A public guide to beach closures, lifeguards, surf, tides, and parking across Kauaʻi.

A free, no-signup planner that turns selected New Zealand sights and arrival and departure cities into a suggested driving itinerary, with overnight stops and trip duration.

Memorial Program Maker guides families through making a printable funeral program, with optional help drafting an obituary or eulogy.

Free, open-source video-call software that runs on a Mac and records each guest on their own device.

A study timer turns focus sessions into football matches, with halves, break time, and a referee who reacts when you leave the page.

A browser-based tool for creating or recovering text layers embedded in supported documents.

A searchable catalog of stadiums with recorded capacities of at least 10,000, with country and sport filters, nation pages, and data stories.

A self-serve service for independent Nigerian artists that checks royalty statements for underpayments and drafts a dispute letter.

An interactive browser calculator estimates trolling-lure depth and the line to let out from tackle setup, speed, and current.

8x8 Race is a paid Garmin Connect IQ timer for HYROX and other hybrid fitness races, tracking runs, stations, and transitions.

A browser tool for configuring printable terrain, props and base toppers for tabletop miniatures, then exporting them as STL files.

A nine-question chooser uses sleep habits, budget and country to suggest mattress type, firmness range and size, plus checks to make before buying.

A searchable register of French campsites classified by Atout France, with filters for stars, location and size, plus each classification’s end date.

A live trivia game for Orthodox parish groups, with questions on a shared screen and answers submitted from players’ phones.

A versioned EVE Online handbook for wormhole space, with system-class guidance, hole-code lookup, and a rolling-mass calculator.

A Spanish-language workshop of free tools for ear training, music theory, rhythm, and study.

Copperlight presents a free, open-source Mac launcher for apps, files, clipboard history, window management, snippets, and other quick commands.

A Windows-and-Mac digital audio workstation that says it can import projects from FL Studio, Ableton Live, REAPER and Studio One, alongside tools for turning audio into instruments.

A veteran-focused tool checks federal resumes against the two-page limit, translates military codes, and helps build federal or civilian application materials.

An Arabic-first, bilingual set of tools for filtering, cleaning, comparing, and editing spreadsheet data.

A voice-acted spy story accompanies a twelve-week Couch to 5K plan, moving along with your walks and runs.

A Korean-language collection of PDF and photo tools for editing files and preparing them for submission.

A browser-based tool for looking up connector data and laying out avionics wire harnesses.

Tiny Lab is a free Mac app for adding film, dither, frame and video effects to photos and clips from tiny cameras.

Ghost Ledger describes a tool that scans a deceased person’s email for accounts, policies, bills, and other assets, then helps organize follow-up claims.

GIS Workbench presents a free, open-source toolkit for photogrammetry, SAR, LiDAR, spectral analysis and other imagery workflows, running in a browser.

A free, no-sign-up room builder lets VTubers compose streaming backgrounds from rooms, furniture, and small props.

A simulator for estimating the machine costs, human work, delays, and routing errors in an AI decision flow.

A source-linked tracker compares the EU availability of major US AI feature launches, including how long delayed features have been waiting.

A multilingual calculator estimates Iraqi customs duties and taxes from a product’s classification, price, shipping, and insurance.

A browser-based workspace for turning PNGs and JPGs into DXF or SVG files, with tools to clean up and edit the resulting geometry.

Loci is developing a handheld scanner and app to help people who inject insulin check tissue and rotate sites.

A browser-based world builder for sketching terrain and exploring it as a 3D map.

A free native macOS utility for monitoring MIDI messages, sending notes and controls, and routing inputs to outputs.

A browser-based converter turns short MP3 or WAV recordings into editable MIDI notes.

A Hong Kong map combining local places, hiking routes, transport information and practical guides.

A collection of astronomy calculators and sky-planning tools using dates, locations, and equipment details to produce practical observing information.

PackPixel turns an image into a Minecraft block layout and materials list, with exports for several building tools.

A renter can submit a room listing, and Padolens returns risk signals and questions to ask before paying.

A browser-based 3D editor for laying out a quincho or grill, choosing construction components, and estimating materials and cost.

A browser-based tool for site civil engineers, with stormwater calculators, pond routing, and reviewer-oriented reports.

A free CAD app for making parts and assemblies, with tools for rebuilding STL meshes and connecting AI coding assistants to a model.

A free, browser-based tool for analyzing price, volume, and product-mix changes across multiple attributes.

A Japanese-language site for checking password exposure, breach announcements, and suspicious messages, with step-by-step guidance for what to do next.

A route map and single-day ascent planner that estimates time for Taiwan’s high peaks, mid-level mountains, and trail runs using route details and a hiker’s pace.

An iPhone sailing planner that checks a route waypoint by waypoint against weather, tides and currents, then gives a GO, conditional GO or NO GO assessment.

A macOS utility for routing each app through a chosen VPN, directly over Wi-Fi or Ethernet, or nowhere at all.

An independent ice-cream publication with calculators and guides for making ice cream at home, serving a crowd, and exploring the facts.

A browser-based event tool for RSVPs, emailed tickets, door check-in, and guest badges.

Free macOS and Windows audio plug-ins: MonoCheck checks and adjusts a mix’s mono compatibility, while Deepwake pairs a bass synth with the Tide step sequencer.

A Mac desktop app that gathers Gmail requests, Canvas coursework, and manual tasks into a checkable list.

A free collection of browser tools for tuning, singing practice, ear training, rhythm, and choir parts.

Bygga offers interactive IKEA furniture assembly guides with 3D steps, parts lists, and read-aloud instructions.

Vibedom turns a public website’s visual style into generative music played in the browser.

Wackometer scores pasted lyrics from “Wicked” to “Wack” and offers critique, writing prompts, and collaborative songwriting modes.

A wedding-management app for Dawoodi Bohra families that organizes guest lists, rusoomat, invitations, thaal counts, hadiya, and RSVPs.

A free ZIP-code checker shows local antenna stations’ ATSC 3.0 status and explains whether a viewer may need a compatible TV or converter box.

A browser-based logbook for airline pilots that imports flight records and produces PDFs in several aviation-authority formats.

InscricaoEstadual.org presents a free tool for looking up a Brazilian company’s state registration using its CNPJ.

An iOS calisthenics app that tests current ability, places trainees on a 138-step ladder, and builds training around the next progression.

A native macOS PDF app for architecture, engineering, and construction teams to mark up, measure, compare, and prepare drawing sets for agency submission.

A guide for foreign visitors in China that turns a payment error into step-by-step troubleshooting and a cash fallback.

A browser-based set of seven webcam motion games for Taekwondo classes, designed to run without installation.

A Turkish legal-information toolkit with notary and land-registry fee calculators, preparation checklists, deadline tracking, and a searchable information archive.

Free guides and calculators explain Italian residence, tax-code and health-care paperwork for foreigners living in Italy.

A free, no-sign-up tool that turns custom or common shift patterns into a 12-month calendar, with options to export, print, share, and work out pay and leave.

Thoth is an open-source notes app that stores notes as local Markdown files and lets you share selected pages through collaborative workspaces.

A browser-based time tracker and invoicing app for hourly billers, offering offline use, Harvest imports and a $69 one-time purchase.

A public catalogue comparing operating weight, lift capacity, horsepower, and hydraulic flow across 38 skid steers and compact track loaders.

A free Windows app and browser tool that reads MapleStory Classic screen text and displays item prices and player information.

A browser-based system for calling cats to judges and rings, with multilingual voice announcements and a live display for the show hall.

One Meow is an iPhone journaling app built around writing one line about your day and collecting hand-drawn cats.

A Spanish-language model-paint app for converting brand equivalents, reading colors with a camera, testing mixes, and tracking paint stock and kits.

A memory editor for apps and games, with tools for building trainers and a browser demo that searches pretend memory. The page lists Offset at US$69 once.

A Mac cleanup app that identifies space used by developer and AI tools, explains what it finds, and separates items it labels safe to clean from items needing review.

A no-sign-up generator that turns promised payments into a shareable satirical invoice addressed to Donald Trump.

A reference for browsing the wingspan, length, and tail height of 364 aircraft types, with a tool for comparing two at the same scale.

Backmi describes worker profiles built from employer references, identity checks, job history, and other third-party confirmations.

Barhesab presents an accounting tool for Afghan potato wholesalers to track truckloads, bag weights, customer sales and balances, expenses, and settlements with produce owners.

A New York City package-holding service that routes deliveries to bodegas or neighbors for photo-confirmed, PIN-only pickup.

A Turkish-language heavy-equipment comparison platform that organizes machines by sector and compares estimated five-year ownership costs, energy use, and CO₂.

A search tool for reported chemical reactions in US patents, with conditions and original patent text available in a browser or AI assistant.

A link-based tool for sending personal questions as digital letters, with a keepsake-style answer card.

A free, open-source Windows app that maps disk usage, finds large files, and lets users review duplicates.

A tool for trails, museums, and visitor centers that converts guest-book pages and QR check-ins into visitor counts, maps, and reports.

A stargazing forecast map brings hourly cloud layers, moon timing, humidity, dew risk, and light pollution together to help plan an observing night.

A browser-based tool for converting subtitle formats and text encodings, with batch processing and subtitle timing controls.

A web app for hiking and camping that shrinks pages for weak connections, saves maps and a field guide offline, and lets travellers check in with chosen contacts.

Electrosphere Uplink lets players run the Japanese release of Ace Combat 3: Electrosphere in a browser using their own disc images.

A browser-based decoder uses equipment brand and serial number to show a water heater or HVAC unit’s manufacture date, the rule used, and its source.

A searchable guide to Hong Kong green minibus routes, with stops, destinations, regions and fares.

A Windows utility that aims to prevent capture-card tearing in dual-PC streams by timing frame changes between refreshes.

An Android app that analyzes exported WhatsApp conversations, turning message patterns and dated excerpts into a nine-chapter relationship report.

A beta tennis-statistics tool that answers plain-English questions with results drawn from match data.

Twinge is preparing a text-message service where families can forward suspicious messages for a link check and a plain-language reply from a real person.

べんりばこ collects 44 free, no-registration browser tools for tasks like text cleanup, PDF editing, calculations, and overseas-study planning.

A free browser editor for posing Minecraft skins, making thumbnails, and exporting still images or animation.

A browser tool for blurring, pixelating, blacking out, or covering faces and other image regions before exporting.

A browser-based studio for designing bouncing-ball simulations, syncing their impacts to music, and exporting vertical video.

A quoting app for custom-furniture workshops that turns customer messages into priced offers, PDFs or approval links, and production details.

A searchable guide to NHTSA complaints, recalls, investigations and service bulletins by vehicle make, model and year.

A CNC design, toolpath, setup, and machine-control app for Sienci LongMill and AltMill owners.

ChkPlan presents a site-plan review workflow that checks a plan set against a jurisdiction’s applicant checklist and prepares reviewer-approved comments.

CircuitDraft is a browser-based tool for drawing electrical prints and one-line diagrams, with templates, symbols, circuit tools, and print/export options.

A public map compares podcast transcript moments with tracked clips, highlighting passages that appear untouched.

A free calculator compares estimated profit, fees, and minimum viable prices across Shopee, Mercado Livre, and TikTok Shop.

A free Spanish-language trade calculator pairs import-cost estimates with lessons on Peruvian customs, logistics, and commerce.

CotizaPlot is Windows software for pricing architectural-plan and large-format printing jobs from PDF files.

A calculator for estimating the cost of bringing purchases from U.S. stores to El Salvador through several parcel services.

Cueline presents scripts beside your webcam and tracks your spoken words, with support for Hindi, Marathi, English and 50+ languages.

Current checks Mac apps and Homebrew or npm tools for updates, then lets users review and install them from one place.

A tool for converting show files between mixing-console brands, with a free preview before a $25 download.

A browser-based checker compares event posters, flyers and social graphics with approved dates, prices, contact details and booking destinations.

A free tool for plotting DIEP flap perforators from CTA or MRA coordinates and printing a true-scale skin-marking map.

A searchable guide to Phoenix pickleball courts, with park addresses, posted hours, area filters, and indoor drop-in information.

A local-first beta for inspecting display layouts, EDID data, and profile changes across macOS, Windows, and Linux.

Orbit is a Mac app that puts music, messages, live scores, flight tracking, timers, file handling, and games in the space around a MacBook’s notch.

A tool for checking roleplay engine instructions for conflicting rules, broken turn handoffs, and missing output requirements.

A city-by-city comparison of published roll-off dumpster prices, providers, and size information across North Carolina and Virginia.

An interactive map project for filtering Brown County, Indiana, properties into possible art-studio candidates.

EmberWize combines public fire, weather, outage, air-quality, and other hazard feeds for a chosen address.

A free collection of printable embroidery and sashiko patterns, with a tool for making a stitch-ready pattern from a name.

A free toolkit for refrigeration professionals, with calculators for superheat and subcooling, cold-room thermal loads, and insulation-panel quantities.

Entromark presents an iPhone, iPad and Mac platform for capturing spaces, objects and parts, then exporting models and other deliverables for design, construction and manufacturing workflows.

A checker for landlords in England and Wales estimating whether a rental meets EPC C and what upgrades might cost.

A free collection of calculators, references, and printables for sewing, quilting, knitting, crochet, cross-stitch, gardening, and household measuring.

A free browser-based tool reviews chess games from a PGN or a public Lichess or Chess.com username, explaining key moves with lines that can be checked on the board.

A Colorado resort snowfall tool that maps model forecasts and compares raw, elevation-adjusted, and tuned snow estimates.

An iPhone period and ovulation tracker that uses cycle check-ins to forecast moods and chart symptoms.

A video-captioning tool for Amharic, Tigrinya, and Afaan Oromo, with word-synced captions you can edit and style.

A browser-based engine-sound app that uses GPS or test-drive controls to make a selected engine sound shift with a car’s speed and gearing.

A Latvia-and-Lithuania fishing app combines species rules, allowed-water maps, depth charts, station readings, catch reports and hourly bite forecasts.

A free tool that estimates a foundation shade from a selfie or finds the closest matches to a shade you already wear across other brands.

A 3D design tool for decks and other renovations that says it prepares permit drawings and municipal forms for Ontario projects.

An invite-only iPhone beta uses a motion sensor on each shoe to measure gait and compare walks.

A browser calculator estimates fuel-gas pipe capacity using the NFPA 54 / IFGC 402.4 low-pressure equation, with inputs for gas, pipe material, run length, pressure drop, and connected appliances.

A free, open-source app for extending or mirroring screens between Mac, Windows, and Linux computers.

Boltly brings image, video, and PDF tools together in a browser-based toolkit, with no-sign-up access to start.

For independent forwarders in Australia and New Zealand, it reads emailed quote requests, prices them from the operator’s own rate sheet, and returns a draft for review.

Little Trips helps families plan outings around Round Rock, Austin, Cedar Park, Georgetown and nearby towns, with event listings and suggested day plans.

Golino turns your saved Google Maps places into a short list of restaurant suggestions based on where you are and what you feel like eating.

A free, unofficial browser simulator for learning and practising Bandai’s Gundam Assemble tabletop game.

A Turkish Android app for TAG drivers estimates what remains from a ride offer after fuel, empty-trip distance and tolls, then records shifts for an end-of-day receipt.

An iPhone focus timer where keeping the phone face down lets a hamster lay dominoes, which the user tips over when time is up.

Hasty Exit lets you text for a phone call now or schedule one, giving you a reason to leave an awkward conversation, date, meeting, or night out.

Hawalius connects Claude or ChatGPT to public datasets through MCP, helping users find data and build charts or dashboards.

HelmWatch describes an onboard hub that turns a sailboat’s instrument data into helm and crew performance views for offshore racing.

A Hong Kong mahjong guide with rules, a hand-scoring counter, a game-night ledger for points and chips, and an online table.

A paid database tracking U.S. hotel sales, loans, refinancings, listings, and management changes, linking deal articles to hotels and named companies.

A browser-based editor for assembling highway signs, custom shields, exit tabs, and sign panels, with PNG and SVG export.

This beta editor presents a workflow for splitting sticker sheets, arranging elements on a design board, and exporting print-ready images and cut files.

A world ski-resort atlas organizes places by terrain, skiing style, lifts, and base access, with source-linked resort details.

Inkveil offers a Windows program for finding and removing sensitive information from PDFs, including scanned forms and handwriting.

A browser-based tool for converting photos or blank grids into editable square bead charts, with bead counts and PNG, PDF, CSV, or share-link outputs.

KAREOKIE is free Windows karaoke software that separates vocals from songs, syncs lyrics, and scores one or two singers live.

Keffa presents a point-of-sale and barista-screen system for Omani cafés, with QR ordering, loyalty, inventory, and branch reporting.

Free calculators and guides help people who live in France and work in Luxembourg check telework days, travel expenses, holidays, and retirement rules.

A Mac and Windows desktop app lets musicians control personal headphone mixes for RME interfaces running TotalMix FX 2.1+.

Software for savings groups and SACCOs to manage membership, contributions, lending, accounting, governance, and statutory records.

An iPhone app for setting a nightly alcohol limit, logging drinks, and temporarily locking selected apps on rest days or after the limit is exceeded.

A free checker describes how it calculates the last-safe service date for landlord notices using state rules and a target effective date.

A charging-time calculator paired with a directory of Level 2 EV chargers and their standby, idle, and cord figures.

A fan-made MapleStory Classic guide that says it reads the game screen to surface map details, quest progress, routes, drops, and experience tracking.

A non-commercial archive of free service manuals, parts catalogs, and wiring diagrams for snowmobiles and motorcycles.

A directory of interactive math explorations, puzzles, and simulations spanning topics from braid diagrams and sandpiles to number theory and geometry.

A Windows app for MDS students to arrange clinical case photos on A4 pages and export print-ready PDFs.

A point-of-sale system for bars and restaurants in the Dominican Republic, with table tabs, kitchen and bar screens, inventory, and reporting.