Useful Tools

A collection of small browser-based tools, games, and interactive projects, grouped under Tools, Games, and Explore.

A free browser-based toolbox for carpentry calculations, including rafter lengths, stair set-outs, stud cuts and material counts.

A free sourdough app and guide that sizes recipes to your baking pot and schedules steps around dough temperature and your day.

A searchable guide to Pakistani tax and customs laws, with plain-language answers, tax calculators and links to official FBR files.

This Mac app turns photos of a cat or dog into a 3D companion that wanders the Dock, naps on windows and reacts to the cursor.

Mento designs or checks reinforcement for concrete beams, slabs, and walls against ACI, CIRSOC, and EN 1992 standards.

An interactive tool for modeling beams and frames, editing loads and supports, and viewing force and stress diagrams.

A searchable archive of Burning Man DJ sets, paired with an iPhone app for finding published camp and art-car lineups.

A searchable chess-opening reference with interactive move boards, ECO codes, Lichess statistics, and browser-based practice.

A Spanish-language browser suite for learning and practicing Rubik’s cube solves, with a timer, CFOP training, progress tracking, and QiYi smart-cube support.

DerbyMetrics is an iPad tool for tracking roller derby lineups, scoring, penalties, and opposing jammers during a game.

A shared online space for funeral announcements, ceremony details, contributions, and family memories.

A free ocean-forecast viewer presenting major currents, sea temperature, sea level and waves, with a timeline from two days ago to ten days ahead.

Gulp is a Mac menu-bar scratchpad for quick typed or spoken notes that disappear after a few hours.

A Mac app for recording screen, camera, and voice, then editing zooms, privacy masks, window frames, and exports locally.

A browser-based workspace for exploring recorded gravitational-wave detector data, comparing processing choices, and exporting reproducible run reports.

Oshipuchi lets fans assemble customizable iron-bead patterns for small characters and animals, then download a free PDF or order a counted bead kit.

A free collection of browser-based checks and calculators for sales deals, quotas, territories, pipeline, commissions, and team reviews.

A biomechanics-based calculator estimates how high a vaulter can clear from their pole and grip, or what pole they need for a target bar.

A browser-based basketball play editor lets coaches draw plays, animate them, and compare simulated defensive coverages.

An interactive world map that reshapes countries by population, GDP, or numbers entered by the visitor.

A watch-party fantasy league where friends rank castaways, predict votes and compete over a season of Survivor.

ForeTune offers physics-based starting tunes for turbo, naturally aspirated, EFI and carbureted engines, in the format of the customer’s ECU.

Enter your birthday to compare your horoscope sign with the constellation where the site says the Sun actually was.

An interactive browser for YouTube videos that outperform their channels, sortable across niches and language markets.

A price board tracking listed NVIDIA GB10 machines across retailers, with shipping included where the retailer publishes it.

An early-access music-making room pairs sample-and-machine arrangement tools with a deliberately unstable, dream-horror frame.

A free, account-free app compares symptom days with and without particular food substances, helping users see what their symptoms line up with.

A country-by-country reference to crude origins behind European road diesel, possible Strait of Hormuz exposure, refinery capacity, and pump-price composition.

An interactive welding simulator for practising MIG, TIG and stick-welding techniques, then reviewing a simulated weld.

A browser-based parser that combines exports from chat apps, email, and social platforms into a searchable forensic timeline.

An independent Hebrew-language site calculates Israeli reserve-duty pay, grants, tax credits, and related rights from service dates or an uploaded Form 3010.

A planned Android companion for Umrah pairs offline guidance with location help, emergency contacts, Arabic phrases, and ritual counters.

A closed-beta reporting network for commercial crews, described as combining trip tracking, catch reports and NOAA charts for Cape Cod Bay.

NextAct presents a free, no-account checker for suspicious messages, links, documents, job offers, and payment requests.

A map of water, dump stations, overnight stops, and other motorhome services in Czechia and Slovakia.

A free Windows tool scans a PC and lets users send hardware reports to help get more machines supported before release.

A browser-based PDF editor for changing existing text in place, alongside tools for signing, splitting, OCR, compression, and other common PDF tasks.

PetroSlate is early-access refinery planning software that solves linear programs in the browser or on desktop and exposes how its results connect to the underlying model.

A 3D Philadelphia map brings neighborhood views together with weather, transit, street records, aircraft, and maritime layers.

A driver-focused hub brings together port-road and terminal-gate cameras, harbor weather and tides, cargo-ship positions, terminal information, and job listings.

A browser-based planner for building a backup radio net from available gear, checking license constraints, and preparing communications tools.

A Japanese database for finding packaged foods that avoid selected allergens, with browsing by category or brand and a barcode lookup option.

A free browser-based tool that transcribes audio and video locally, then lets you edit and export the text.

SizeLight lets knitters and crocheters select their size and highlight those numbers directly in a multi-size pattern PDF.

An interactive index searches archived US cable-news captions and charts how much airtime different terms received across nine networks from July 2009 to October 2024.

Upload a Kaplan–Meier figure to get digitized curves, reconstructed patient-level data, statistics, and a validation pack.

A UK-focused guide compares prices, editions, add-ons, payment methods, subscriptions and refund rights for twelve well-known games.

A free, browser-based UK retirement planner for company directors that models salary, dividends, pensions, ISAs and company-sale proceeds.

A district-by-district directory of electronics shops in Dubai, built from OpenStreetMap data.

A set of version-specific calculators and guides for understanding how machinery in modded Minecraft behaves.

An NBA analytics site estimates player value in wins above replacement, prices it against salary, and offers boards for contracts, drafts, and trades.

A free converter finds close thread-color matches across embroidery brands from a thread number, HEX value, or picked screen color.

FLARE turns voice check-ins about pain, sleep, and energy into a spoon budget and a day plan for people with chronic illness.

GardCare is developing a garden robot intended to spot dog waste, pick it up with an arm, and store it in a sealed container.

Grapple presents a free Windows video editor where its creative agent, Ape, can build and revise tracks, text, keyframes, and effects in a project.

An agronomist in Peru’s Amazon region presents five free browser-based tools for crop decisions, field experiments, and project finances.

A lottery-odds calculator, comparison table and guides explain prize probabilities across major games.

TailClear presents a fleet board that brings aircraft maintenance due items, schedules, deferrals, parts, and tire and brake data into one view for Part 91 and 135 operators.

A phone-based tool for tailors to record customer measurements, track orders and follow payments, including when the network is down.

Abstract is a downloadable Markdown notes editor that stores plain-text files in ordinary folders on your computer.

A free macOS menu-bar monitor that groups processes by app, diagnoses slowdowns, and keeps system history on the Mac.

A freely licensed, nine-box canvas for deciding where AI fits in an organization’s work—and what should stay human.

A leaderboard compares public companies’ AI investment and management claims with value visible in their financial statements.

A digital wine list for Hong Kong restaurants, where guests get bottle recommendations from the venue’s own selection.

Call Care says it answers restaurant calls for orders, bookings and common questions in six languages, then routes orders to a kitchen screen.

A guide to an interactive map of 516 Canadian occupations, explaining its measures, sources, and limits.

A browser-based caption editor for short-form video, with word-level timing controls and exports for social platforms and video editors.

A Claude Code plugin turns six futures-design methods into guided workflows, with attributed claims checked against cited source pages.

Grimword organizes excerpts from ten literary traditions, pairing original texts with translations and bibliographic citations.

A reptile-care tracker for feeding plans, weight and health records, reminders, shared care, and vet reports.

Harness presents a yacht-monitoring system that turns onboard readings into plain-language answers and alerts.

A local-first herd-record app for cattle, sheep, and goats, covering health, withdrawal dates, breeding, weights, pasture use, working dogs, and farm costs.

A free calendar shows which reptiles and amphibians are active by month across US states and ecoregions.

A barbecue planner works backward from supper to schedule a cook, then helps log the session and estimate meat for a crowd.

A menopause-tracking app for logging symptoms, sleep, food, movement and calm, with pattern views and guided sessions.

A phone-based tool for households to track staff pay, advances, loans, time off, and expiring work papers in English or Arabic.

A beta service says it reads ParentSquare posts, messages, and attachments, then sends urgent alerts and a daily summary.

A macOS menu bar app that keeps AI agents and local models working while a MacBook is closed, then returns the Mac to sleep when work is done.

An interactive 3D astronomy explorer that moves from observational maps of Earth and the Moon to Solar System positions, nearby Gaia stars, and a Milky Way reconstruction.

An iPhone and Apple Watch app for logging a child’s temperature, tracking medicine doses, and counting down to the next allowed dose.

A free set of Texas Hold’em calculators and guides for draw odds, pot odds, hand probabilities, and all-in equity.

A free browser-based tool helps you find the Qibla by aligning a map with a wall in your room, rather than relying on the phone’s compass.

A travel-day tracker and set of calculators for immigration and tax residency rules, with paid options for exporting evidence-backed reports.

A public reference for AI usage-limit schedules, reported reset events, and timers that can only be checked in your own account.

An unofficial PWHL fan project collecting player salaries, contracts, team payrolls, transactions and roster tools.

Seedwright presents a free Mac torrent client that lets you choose which files in a torrent to download, then add more without restarting.

Free tools and a date-by-date guide help UK sole traders, landlords and working families navigate tax-year questions and deadlines.

A Windows VST3 audio plugin that targets the harmonics of selected or detected notes, then can repeat the process up to 16 times.

A strength-training planner that uses logged lifts and recovery signals to calculate training sets and the plates to load.

A Japanese collection of browser-based tools for invoice filing, leave tracking, overtime calculations, address printing, and minimum-wage checks.

A Japanese tool for families to log a child’s learning at home and draft documents for discussions with school about attendance recognition.

A public tracker lists recent trout stockings by water and state, with historical stocking information and river-flow and water-temperature data.

An interactive Venice photography-walk guide with two routes, map links, and optional photo prompts at each stop.

Virtual Bouquet Maker offers a five-step tool for arranging flowers, adding a note and frame, then previewing, downloading or sharing the result.

A paid service prepares zoning-variance paperwork for homeowners, including an application, a lot sketch, supporting cases and a meeting one-pager.

A browser-based toolkit for inspecting, optimizing, repairing, and packaging assets for FiveM and RedM servers.

A beta parcel-screening tool for land buyers, with buy-box filters and flood, wetland, and slope constraints in covered counties.

A browser-based converter turns an Apple Health export.xml or export.zip into separate CSVs for selected metrics.

A Mac-audio site for Ekhio, a room-correction app, and Verberio, a forthcoming tool for measuring rooms and preparing acoustic quotes.

An Arabic-language library for reading and searching the full text of heritage books.

A searchable comparison catalog for Peruvian alpaca clothing, with details on fiber, sizes, prices, and US shipping.

A French-language planner for ambulance workers to record shifts, track overtime and allowances, and review pay-related summaries.

AnkanaGo presents a phone-based billing and accounts interface for Tally Prime shops, with bills, receipts, payments and statements sent back to Tally.

A materials-analysis workspace for thermal, spectral, and diffraction data, with processing steps and references tied to results.

An iPhone and iPad tracker for recording a newborn’s feeds, sleep, diapers, growth, and other care notes by voice or tap.

A planned iPad piano-practice app that marks wrong notes on the score and guides learners through phrase practice and full runs.

A construction-bond audit service checks closed projects for missed change-order bond costs, premium adjustments, and reconciliation errors.

A comparison guide for 12 paid games, listing purchase costs, extras, subscriptions, logged playtime, and cost per hour.

Bowline offers fishing-charter captains an online booking and payment platform, with tools for shared trips, deposits, waivers, and weather cancellations.

A browser-based viewer for Revit, Maya, SketchUp, FBX and GLB models, with section cuts, layer controls, site context and visual capture.

Calf Book is herd-record software for cow-calf operations, organizing animal IDs, pedigrees, crop years, and dated weights.

A dealership workflow tool that tracks sold deals from purchase to delivery and alerts staff when a customer has been waiting too long.

Channel Translate is a Mac and Linux desktop app that translates selected Slack channels in place using a model running on your computer.

A free, early-access Windows chat client that helps Twitch moderators find messages, track watch lists and act without losing context.

A free, no-account guide helps homeowners understand how to get an insurance claim check released by their mortgage servicer.

A family chore app where children earn XP and coins for tasks, while parents choose the chores and approve the results.

A web-based calculator for sizing pipework in commercial and industrial CO₂ refrigeration systems.

A browser-based app for tracking alcohol, tobacco, cannabis, and other substances, with options to reduce use, stop, or simply observe.

A French-language reader presents all 114 Qur’an surahs with controls for text size and contrast.

A free, independent planner estimates the next power cut and return of electricity for neighborhoods in Bamako.

A U.S. directory for finding cylinder requalification providers by service and location.

A guided, two-round core workout with ten exercises, prescribed reps and loads, demo controls, rest timers, and completion marks.

A practical guide to switching a UK home’s heating, cooking and car to electricity, with tools for estimating costs, checking grants and planning the change.

entry.pet presents a route guide for dog and cat travel, with entry requirements, documents, and timelines tied to official sources.

A free browser tool for drawing, importing, and simulating water-distribution networks with the EPANET engine.

A website-checking service looks for conflicting claims, stale dates, and broken links across public pages, then sends a private report.

Fair Inn Price presents a nightly pricing plan for UAE short-term rental hosts, with suggested rates and a local reason for each date block.

A browser-based tool generates fictional IBAN test numbers for 41 countries, with bulk exports and an IBAN validator.

A Facebook bot for Georgian online shops that answers product-price and size questions, then carries the conversation into Messenger and order capture.

A browser-based editor for drawing particle-interaction diagrams, with editable elements and exports that include LaTeX source.

A research tool for tracing consumer-product brands to declared manufacturers and the source records behind those connections.

First Pull offers nine browser-based espresso tools for beginners, including a shot timer, machine finder, brew-ratio calculator, and shot troubleshooter.

Fitted offers office landlords and brokers a furnished virtual walkthrough, stills, a short film and a flyer made from a vacant suite’s floor plan.

Footage Pass presents a workflow for hotels, resorts, and attractions to share property footage with approved TikTok GO creators.

A forthcoming iPhone app for identifying trading-card printings, checking prices, and organizing a collection.

A Bengaluru project-checking service that turns public K-RERA filings into a free lookup and a ₹200 buyer report.

A free ham-radio dashboard that estimates which bands may be open using NOAA space-weather data, alongside heard-transmission reports and a station log.

An open-source farm CRM that maps soil-probe readings and presents salinity, moisture, and crop guidance for farms in Qatar.

An Android launcher project with a browser demo for navigating apps as a globe, a honeycomb grid, or a ring.

A paid map of NYC happy hours, with prices, schedules, discounts and links to the bars’ own menus.

Huissio presents fee-calculation and case-management software for Cameroonian bailiff offices.

A Shopify app for importing metafields, metaobjects, and blog articles from CSV.

A browser-based music tool that composes and plays background tracks across genres, with a royalty-free use policy requiring credit.

A free daily game where you guess what everyday goods cost in past U.S. markets.

A laboratory app for recording mass-calibration measurements, checking results, and issuing certificates.

A QR-code service guides customers through a short questionnaire, then uses their answers to prepare a draft Google review they can edit or choose not to post.

A fuel-price map and calculator estimates what you actually save at a cheaper station after subtracting the fuel burned getting there.

A Windows app that scans SD cards, USB sticks, and drives for deleted, formatted, or corrupted videos.

A woodworking project pairs detailed Baltic-birch speaker-cabinet builds with a calculator that adjusts the dimensions and cut geometry to measured plywood thickness.

Kvaxir presents a Windows app for collecting structured data, training prediction models locally, and exporting them for independent use.

An independent Macon-Bibb tree-removal guide with local cost ranges, a budgeting calculator, permit guidance, and contractor-selection checklists.

A public crafting ledger for WoW Forever, with an in-game addon planned for the game’s launch.

A Slovak meal planner builds a week of dinners and a shopping list around current discounts at participating supermarkets.

Compare nine global weather models in one daily table, with min, mean and max forecasts and hourly details on demand.

A Discord bot for Emergency Response: Liberty County private servers, with systems for jobs, cars, taxes, elections, crime, property, and staff oversight.

MonMatos describes a club tool for tracking loaned or rented equipment and protective gear, from inspections and repairs to returns and annual inventory.

A browser-based editor syncs pasted lyrics to a song and exports the result as an MP4.

An interactive timeline organizes landmark Phase III multiple-sclerosis trials by study and therapy.

A browser extension that replaces or hides images, videos, and ads on webpages with calm landscapes.

A North Carolina boating and fishing planner for checking conditions, estimating trip fuel, and running through a pre-launch checklist.

NMSSaveEditor is a desktop save editor for No Man’s Sky, with controls for repairing progress and changing inventory, ships, rewards, and other save data.

A visual music-learning editor lets users connect theory concepts, hear the results, and view them in notation and instrument-specific formats.

A filterable comparison of remote-work visa and residence routes, with financial requirements, permitted stays, and links to official sources.

An Android app that watches app-use patterns and offers occasional short activities instead of blocking apps.

A homebuyer service that checks Ontario addresses for flood mapping, nearby development applications, permit history, zoning, heritage limits, short-term rental rules, and other public-record details.

A collection of free, browser-based tools for SEO decisions, automation, AI visibility, and checking AI-generated claims.

A group tracker for recording who ordered, whose turn it is, and how differently priced drinks are shared.

Grizz is a forthcoming iPhone app that blocks selected apps at night and makes you complete a morning mission to stop its alarm.

A browsable guide to AI disclosures in games, showing which parts of a game developers say used AI and what players think of it.

An open-source browser extension that organizes a Star Citizen player’s hangar, buy-backs, balances, and referrals in a local, exportable database.

A forthcoming Mac app that gathers screenshots, copied text, files, and notes into a numbered pack for an AI chat.

A no-account-first tool turns Thai visa and entry details into dated immigration deadlines.

A paid packet helps families organize account notifications after a parent dies, with ready-to-sign letters, contact routes, a checklist, and a tracker.

An interactive chart compares language models across intelligence scores, cost per task, and response time.

A directory of 41 Hebrew-language sites for document work, calculations, rights, dates, small-business tasks, and everyday needs.

A symptom-tracking system designed to help people with chronic or overlapping symptoms keep organized records without writing daily journal entries.

A campaign sign-operations platform describes a workflow for tracking inventory, placement, incidents and post-election disposition.

A wildlife sighting log for recording animals, building regional species collections, and earning badges for getting outside.

Polyptik presents an AI assistant for reef-tank owners that uses controller readings, livestock details, and notes to answer questions and track tank conditions.

A free iPhone beta for camera-shy creators, with a script or cue list that stays visible while they record.

A browser-based calculator for purchase price variance, with single-item and CSV workflows and a breakdown of price versus exchange-rate effects.

Quran Duo presents a Quran reader for iPhone and iPad, pairing the Madani mushaf’s printed-page layout with tajweed, recitation, translation and offline reading.

A race finder for trail running, marathons and triathlons across Hong Kong, China and Asia, with filters, map and calendar views, and course analysis.

RailCompat compares model-rail track systems, decoder sockets, curve radii, and rail codes for HO and N scale.

A paid monitoring service that summarizes FDA, SEC, and ClinicalTrials.gov updates for watched biotech companies, drugs, and targets.

A practice tool for marriage-based green card interviews that builds spoken questions from the user’s own documents.

A reconciliation tool for matching bank and ledger files, including scanned PDFs and invoice photos, and explaining what did not match.

A sports-card tool for identifying cards, logging box pulls as they happen, tracking set completion, and browsing catalogued sets.

A cloud service for Japanese disability group homes and support facilities to organize required meetings, residence visits, committee work, training, and records.

A Windows app for saving recent gameplay, trimming a clip, adding timestamps, and sharing it with game moderators.

RTL Ready is a WordPress plugin that says it corrects common right-to-left display problems as pages load and provides a site health report.

A free, open-source Android app presented as a way to receive and transmit RTTY using a phone or tablet connected to a radio.

A satellite-installation tool that estimates visibility from a chosen site and prepares dish-sizing guidance and customer handoff materials.

A phone-based tool for custom sawmill operators to tally board feet, calculate charges, and prepare invoices at the job site.

A phone-based tracker for families to save school-choice receipts, monitor account balances by child, and export reports.

Seasons Lighting invites you to send a house photo and choose what to decorate, then promises four visual treatments with a tailored shopping list and setup plan.

A fixed-price service that reviews an SEO agency proposal and sends back a written verdict, costly issues, and a draft email to the agency.

A free Windows notes app that slides in from the right edge of the screen, with support for text, images, audio recordings, and YouTube links.

A commercial workflow tool for coffee brokers and trading companies, covering samples, offers, contracts, signatures, and document checks.

A searchable directory of 423 browser-based and other 3D-print generators for people who want to make things without modeling them in CAD.

Snugnight estimates whether you’ll sleep warm at a campsite by combining an hourly night forecast with your shelter, sleeping pad, bag, and usual sleep temperature.