Useful Tools

海水水槽用プロテインスキマー84機種を、対応水量・寸法・適正水位・交換部品などで横断比較できる日本語データベース。

An art-discovery tool that compares public-domain paintings by palette, composition, and image-embedding similarity across four museum collections.

An interactive ranking of reported Texas alcohol receipts by business, city, ZIP code, month, and drink category.

An independent wiki for BOMBANANA with a live clue solver, module guides, campaign coverage, multiplayer roles, and troubleshooting.

A macOS app reads conversations, commits, and corrections, then distils recurring patterns, values, preferences, and voice into rules you can inspect.

An Android app locks selected money-losing or message-sending apps after 9pm, stores anything you still want to write, and returns it at 9am for a sober decision.

A free iPhone, iPad, and Apple Watch app for exploring Mandelbrot and Julia sets through zooming, color, and mathematical explanation.

A monitoring dashboard combines Etna tremor graphs, ash advisories, aviation notices, earthquakes, summit weather and Catania Airport updates.

An options journal that rebuilds broker-exported trades into tax-aware P&L, pricing, and contract-lifecycle records.

A small, fast native macOS reader for PDFs and Markdown, free and open source under the MIT license.

An open-font library and browser toolkit for typing, testing, converting, inspecting, and exporting Indian-language type.

A public market-accountability tracker compares calls from insiders, Congress, funds, TV pundits, an AI, and one human against the S&P 500 or S&P/TSX.

Meridian estimates what a runner’s pace is worth under the heat, humidity, wind, hills, elevation and altitude of the day.

An iPhone app for logging pumped milk, tracking bags across storage locations, estimating expiry dates, and planning whether a stash will cover a return to work.

ModelRigs compares machines for running open-weight AI models locally, factoring in memory fit, measured speed, electricity, tax, and ownership cost.

A stylus-first animation tool lets artists trace frame-by-frame drawings over posable 3D rigs and export the results in common formats.

A searchable database of Pokémon ROM-hack guides covering routes, wild encounters, movesets, TMs, and trainer teams.

A free collection of browser-based tests for screens, touchscreens, speakers, microphones, cameras, keyboards, and mice.

A free Magic: The Gathering deck builder and optimizer that generates Commander and Brawl decks from patterns in 3,996,039 public decklists.

A visual tool that draws filed US public-company balance sheets at true proportion.

Search any text inside a computable Library of Babel, browse random pages, and share permanent addresses without a server.

A community hub for XP Hero with searchable game data, sprite archives, player guides, build tools, and progression utilities.

An Android migraine diary designed for one-tap symptom logging, medication-effect tracking, appointment records, and clinic-ready summaries.

A free, browser-based water network editor that draws, solves, saves, and exports EPANET-compatible models.

A Spanish-language browser tool that uses AI to identify personal data in PDFs, lets users review the matches, and exports an irreversible redacted file.

A Hebrew-language system that synchronizes synagogue displays, administrator and treasurer workflows, and each worshipper’s phone.

A browser-based screening tool reviews phone photos of beds and furniture for possible bed bug evidence, then builds a dated inspection record.

An iPhone app for ADHD task initiation that turns an avoided task into one tiny first action, then rewards the act of beginning.

A browser-based generator for printable and SVG drilling templates, covering furniture handles, System 32 hole rows, hole circles, center points, spacing, and hinge patterns.

A browser-based configurator sizes custom clevis grips, threaded adapters, and pull rods from specimen geometry, load, temperature, and thread details.

A free, directly playable library of original instrumental tracks designed for cafés, restaurants, boutiques, and other everyday spaces.

A live regional gardening tool that combines heat, drought, watering pressure, tree stress, planting conditions, and plant rankings.

An interactive chemistry workspace for resolving molecular identities, inspecting structures, checking names, and viewing predicted properties and spectra.

A free generator for printable coloring pages, producing unique mandalas from numerical seeds.

A personal iOS app combines HealthKit data, meals, peptide cycles, substance logs, and lab reports for an AI health advisor.

A music-production plugin for browsing personal MIDI folders, previewing files through the instrument already loaded in a DAW, and dragging them into a project.

A German mail assistant that explains official letters, extracts deadlines, and drafts replies from a photograph.

A local-first writing outliner that treats notes as paragraphs, searches by meaning, and resurfaces older thoughts when they echo the present.

A UK shipping tool for BigCommerce shops that turns partial orders into correctly scoped Royal Mail parcels, labels, and shipment records.

A keyboard-first campaign companion for keeping player stats, secrets, session notes, NPCs, plot threads, and reference material in one DM-only workspace.

A browser-based converter for turning PDFs, office files, ebooks, emails, spreadsheets, images, and batches into downloadable Markdown.

A Japanese developer’s software workshop building practical tools for medical and welfare workplaces, including a locally run shift-schedule checker.

A browser-based yoga alignment coach compares your pose with a teacher's and offers a spoken correction only when it is confident.

A browser-based DualSense tester that visualizes controller input, checks for stick drift, exercises adaptive triggers, and turns the touchpad into a glowing drawing surface.

A browser-based tool crops Flipkart order PDFs into thermal or A4 labels, with sorting, SKU stamps, dispatch dates, pick lists, and CSV logs.

A small software studio presenting Mosaic, a home for collected media, and LiveVault, a way to keep live broadcasts for replay.

A browser-based tool that crops and resizes shipping-label PDFs into exact 4×6, A6, square, or custom formats.

A free 3D garage and shop planner that lays out storage at true manufacturer dimensions, including the space needed to open drawers.

A searchable reference archive for identifying and cross-referencing high-voltage transformers used in CRT televisions and monitors.

An iPhone and iPad keyboard designed to study how people type and make limited on-device corrections without generated replies or prediction bars.

A $19 one-time dictation app turns speech into clean text in any Mac app, with phrase shortcuts, on-device cleanup, and privacy-focused identifier removal.

Murmello is free, open-source dictation for Apple silicon Macs that transcribes speech locally and pastes the result into whatever app you're using.

A browser-based tool for artists and print sellers that checks, crops, resizes, names, and packages artwork files for customers.

A French-language photo-restoration service that repairs damaged family photographs and restores their color from a phone picture.

A free calculator suite converts project measurements into material quantities, bags or loads, and editable cost estimates across 25 building materials.

An iOS app in development that imports shrine-and-temple stamp photos, restores their Japanese-calendar visit dates, and organizes them by notebook and page.

A chain-by-chain guide to government and military hotel rates, eligibility rules, booking paths, published codes, and per-diem alignment.

GrabGPU compares hourly prices and reported availability for 866 GPU configurations across 22 cloud providers.

A browser-based graphics editor for generating gradients, shapes, images, and animated backgrounds.

A playable visual instrument for exploring chords, scales, rhythm, and musical relationships through a grid of notes.

A browser-based archive tool for opening, extracting, compressing, converting, and previewing files without uploading them.

An open, cited dataset compares U.S. OTC hearing aids across price, total cost, risk, evidence, and FDA-trace fields.

Hearwall converts window and door makers’ acoustic test reports into branded listening demos and dealer sales tools.

A free desktop app reads email and produces a short list of messages that need attention, including bills, appointments, pending replies, and upcoming obligations.

A Korean suite of calculators for deciding amounts around gifts, weddings, habits, fandom spending, and other everyday financial dilemmas.

A privacy-preserving tool that removes empty floor, wall, or bench space from product photos without cutting the item out of its real surroundings.

A personal Japanese toolkit for MapleStory players managing gear, overseas video searches, and recurring boss-party schedules.

An equal-area atlas that lets you compare countries at their true relative sizes, with a daily guessing game.

A browser-based studio for writing, staging, illustrating, exporting, and publishing pixel-art visual novels.

A daily-updated US import duty calculator that breaks down tariffs, fees, and trade-rule effects by product, origin, value, and transport mode.

A multilingual skincare comparison engine that weighs formula layering, climate endurance, real unit cost, and local retailer sourcing.

A holiday-lighting contractor tool that turns one house photo into a visual mockup, measured light runs, bulb counts, and a quote.

An interactive tool that re-ranks 103 US metros according to your preferences for climate, schools, safety, affordability, jobs, and other factors.

A browser-based photo editor that turns plain-language requests into non-destructive adjustments to real photographic controls.

An on-device Mac search tool for finding PDFs, scans, photos, screenshots, and office files by their contents rather than their filenames.

A Spanish-language 3D academic viewer showing how the density and infiltration of 17 muscles change with age, sex, and decade.

A browser-based map composer that transforms a city, neighbourhood, or state into a styled image for a phone, desktop, or print.

A global mountain-bike-park index organized by terrain, riding style, lift access, trail counts, and exact starting points.

A collection of browser-based music-theory and tuning tools that gives an answer, explains its evidence, offers transformations, and suggests practice.

A desktop browser tool that transfers audio files directly to compatible legacy iPods without a desktop app.

An iPhone beta that lets people nearby talk through their AirPods without taking them out, using direct phone-to-phone connections.

A UK-focused data-removal service that identifies brokers, writes erasure requests, and tracks the legal deadline for responses.

A tiny Mac note drawer opens over any app, captures a thought with a keystroke, and stores everything in a Markdown file you own.

A private rehearsal workspace for actors handling auditions, character work, marked-up sides, solo scene practice, notes, and self-tape takes.

A UK data service tracks newly registered cafés, restaurants, takeaways, bars, and mobile caterers through the Food Standards Agency register.

A no-sign-up toolkit for generating naira invoices, quotations, LPOs, waybills, payslips and other business documents, alongside Nigerian tax calculators.

An iPhone app for logging PCOS symptoms, cycles, sleep, food, medication, and labs, then turning the record into doctor-ready reports and personal patterns.

A browser-based sound recogniser that examines short pet recordings and offers possible context without claiming to translate animal thoughts.

A free, offline cycle and symptom journal that keeps estimates and records on the device.

A focused workspace for clinicians with 41 medical calculators, specialty filters, quick-access formulas, and a three-dimensional anatomy atlas.

A Japanese calculator that compares a household’s propane-gas bill and usage with public regional price data.

A browser-based editor, compiler, runtime, and flowchart viewer for writing and executing structured pseudocode.

A Windows translation tool that places a selected English word inside the surrounding sentence translation.

A software studio presenting four focused tools for dictation, call audio, manuscript editing, and a personal messaging agent.

A should-cost tool that reconstructs an industrial part quote line by line from its drawing and production quantity.

A French-language comparison tool tracking eSIM prices, roaming rates, and travel connectivity across 52 destinations.

A searchable database of Pokémon ROM-hack routes, wild encounters, movesets, TM locations, and trainer teams.

A searchable database showing which coffee machine, pods, kettle, or brewing setup may be waiting in hotel rooms.

A small library of Samsung Galaxy Modes & Routines automations, with free build instructions and optional importable files and QR codes.

An Arabic clinical reference that helps physiotherapists search practice guidelines, plan staged care, document SOAP notes, and track relevant research.

A browser-based Korean Four Pillars calculator that uses your birth date, local time, city, daylight-saving rules, longitude, and true solar time to produce a free Saju chart.

A reply generator and downloadable kit for freelancers handling out-of-scope client requests.

A practical diagnostic tool that helps identify screen spots, lines, dead pixels, pressure marks, bleed, tinting, and other display faults.

A Serbian-language online memorial for preserving one person’s photographs, biography, music, and shared memories.

A Japanese database of 52,955 businesses holding a stonework-construction permit across 29 prefectures and 1,080 municipalities.

An interactive economics simulator lets you set a tariff, capital-flight, or migration shock in one of 208 countries and trace its effects across the world.

A self-hosted Plex utility builds personalized “Picked for You” rows from each viewer’s watch history.

Sialk turns live audio into full-screen visuals for macOS, letting performers choose a look and put it on a projector without programming or a visual artist.

A browser piano-practice tool that shows notes falling onto an on-screen keyboard, with support for public-domain songs, MIDI files, and private PDF conversions.

Spiro is an Android app for tasks, habits, mood, prepaid electricity, car costs, and subscription renewals.

A free, open-source Android workout tracker for logging sets, routines, cardio, progress, rest timers, plate loading, and one-rep-max calculations offline.

A browser-based tool for splitting, transcribing, sorting, and exporting voice-over takes from one long WAV recording.

Tallgrass uses AI to help identify plants, animals, fungi, and harder-to-name discoveries, then turns photos, videos, questions, and places into a private field journal.

A Windows Premiere Pro extension for Japanese transcription, silence and filler-word cuts, caption editing, and timeline placement.

A browser-based text inspector and cleaner for invisible characters, rich formatting, Markdown, HTML, Unicode, and troublesome copy-paste artifacts.

An open research terminal comparing 18 public bitcoin-mining companies through filings, operating sites, deals, and standardized metrics.

A question-driven lookup tool for USTA NorCal league tennis results, player levels, rosters, records, and league tables.

A browser-based tool for drawing a room, planning tile or parquet layouts, calculating quantities and cuts, and exporting a chantier-ready PDF.

Tilly is a GLP-1 companion for logging meals, protein, shot days, side effects, movement, sleep, and weight trends.

An interactive astronomy visualization that separates where a planet appears from where it is calculated to be now.

A four-week tide-pooling planner that ranks days by low-water depth, duration, and daylight.

A browser platform for offline Mafia clubs that handles player sign-ups, seating, live moderation, judging, ratings, tournaments, and club finances.

A Turkish gardening guide that tells you what to plant, when to plant it, and how deep to put the seed.

A browser-based collection of video and audio tools that says it processes files on your device, without uploads, accounts, or watermarks.

A privacy-focused phone app that records vehicle performance, telemetry, and video for motorcycles and cars.

An Android app for automatically tracking personal expenses from bank SMS and splitting group bills among friends, flatmates, or colleagues.

A public accountability board timestamps trading calls, locks their levels, tracks outcomes, and records the losses alongside the wins.

A monthly review workflow and year-end evidence pack for small nonprofits that cannot fully segregate accounting duties.

An interactive Swedish guide that recommends a fastening family, plug or anchor, drill type, and verification points for different walls and mounting situations.

An offline desktop tool that generates, translates, edits, and exports SRT or ASS subtitles from video files.

A live event-tracking tool that combines Garmin inReach, SPOT, and ZOLEO feeds for rally raids, desert races, group rides, and long-distance events.

A research tool that analyzes MakerWorld download patterns and checks how an individual listing compares with its category.

A multilingual collection of free calculators for swimming, cycling, running, triathlon, training, nutrition, and race prediction.

InkTick captures receipts, extracts their details, sends them for human approval, and prepares draft bills or ledger exports.

A private browser tool audits CSV and TSV files for missing values, duplicate rows, inconsistent fields, and date or type problems.

An independent NFL statistics database covering teams, players, games, standings, ratings, predictions, and recent play-level data.

NotchCafe gathers music controls, focus timers, files, notes, calendar countdowns, and live activity indicators into a native macOS companion.

A searchable reference for iPhone app subscription prices, cancellation steps, billing complaints, and developer track records.

AerialQuote lets homeowners and contractors trace driveways, planting beds, and rooflines on aerial imagery, then converts those shapes into quantities and installed price ranges.

An Arabic interface for browsing and filtering 9,468 hadith entries drawn from grouped source collections.

AuditTag crawls a website, identifies on-page SEO problems, and packages corrected files into a zip for the site owner to review and deploy.

A fan-audience tool for bands, built around consented contacts rather than followers, streams, and platform reach.

An Android alarm app that creates multiple alarms at once and adds wake-up challenges for people who sleep through the first ring.

BriefCycle routes university coursework briefs and exam papers through internal review, coordinator approval, external examination, and final sign-off.

A suite of home-project calculators for estimating materials, purchase quantities, and adjustable costs.

A catalog-review tool compares approved product changes with exported CSV data, flags missed or unexpected edits, and produces client-ready reports.

A free Romanian tool that recommends saw-blade and circular-saw parameters from the material, thickness, saw type, and desired finish.

A French real-estate search tool that combines listings, merges duplicates, tracks price changes, and compares asking prices with actual sales data.

A Ghana-focused point-of-sale and stock system for cold stores selling frozen goods by carton, kilo, or piece.

A French recipe tool that turns what is already in your fridge into quick, budget-aware meal ideas.

A free card-making tool matches birthdays, anniversaries, and milestones with images from NASA’s Astronomy Picture of the Day archive.

A browser-based PDF utility that darkens weak text, cleans scanned pages, and produces clearer print-ready files.

A browser-based editor for making Beluga-style chat story videos with skins, rhythm presets, sound effects, and MP4 export.

Windows rota and duty-scheduling software for small UK bus and coach operators, built around one local file and no recurring account.

A local-first mowing business dashboard for scheduling routes, managing customers, issuing quotes and invoices, and tracking the machinery behind the work.

Fluence reads PDFs, ebooks, reports, saved articles, and other documents aloud on your phone, with synchronized text, notes, and document-based questions.

GoGoScore lets iPad users write music by tapping notes, hear orchestral samples, edit notation, practice passages, and print or export their work.

A music-resolution search tool that compares playlist tracks across streaming platforms and identifies the best verified version.

A browser-based tool that copies selected iPhone photos to a folder on your computer over USB.

An offline-first Android app for managing alpaca and llama herds in the Bolivian highlands.

A daily Arabic word game asks players to guess a five-letter word in up to eight attempts.

A Ukrainian-language Mac utility in development for correcting keyboard-layout mistakes, searching clipboard history, and transforming text before pasting.

A recording-synced practice room that pairs live venue takes with a 13-song setlist, lyrics, chord changes, and song sections.

A searchable directory and live player for 175 Haitian radio stations, organized by region and available on the web or Android.

A French territorial-mapping platform that combines geological, cadastral, and appellation data into interactive maps and printable professional atlases.

A Chrome extension for recording browser audio, microphone input, or both, then exporting the result as MP3 or WAV.

A filing-sourced analytics site tracking public bitcoin-mining companies, facilities, deals, filings, and operating capacity.

A browser tool converts MT940, CAMT.053, and irregular bank CSV statements into consistent CSV or Excel files.

An experimental reflection tool that combines a short face scan, a voice task, and your own words into a written account of how you seem today.

A free bathroom design tool that lets you swap real, purchasable materials and preview the result in your own room.

A focused guide to the rubber-pig party game, covering rules, scoring positions, disastrous rolls, editions, travel gear, and a table scorekeeper.

Phattt lets people build link-sent cards from photos, video, music, 3D, drawings, and named links, with controls for exactly who may open them.

Free browser-based OMSAS and AMCAS GPA calculators model the different rules Canadian and US medical-school applicants actually face.

Open-source proposal software lets clients adjust options, review a live total, and accept from a link on their phone.

A bilingual trip page for organizing Jordanian hikes, weekend outings, seats, directions, and the photo album that follows.

A model-specific troubleshooting desk for robot-vacuum error codes, docking failures, map problems, charging faults, and base-station issues.

A Discord bot monitors Roblox limited-item trade ads, checks value and hold-time rules, and turns qualifying offers into alert cards.

A calm iPhone and iPad app for routine inspections, using QR labels to guide checks and preserve a record of what happened.

A free suite of AU and VST3 audio plugins for EQ, compression, de-essing, gating, and limiting on macOS and Windows.

A fast copy-and-paste utility for finding emoji, kaomoji, symbols, fancy text, colors, and related text tools.

An India-specific rooftop-solar calculator estimates system size, subsidy, payback, and city-level rates from a household’s monthly electricity bill.

SOONSOO presents QueenFork, a restaurant-discovery service that matches diners through shared tastes rather than popularity scores.

A browser-based tool that cleans, slices, aligns, previews, and exports game sprite sheets.

A browser-based Delaware prevailing-wage calculator and certified payroll PDF generator for public-works contractors.

A keyboard-driven Mac utility for converting, compressing, cropping, trimming, splitting, and merging files locally.

An iPhone app that turns the phone into a Tesla dashboard, combining live vehicle data with navigation.

An open analytics terminal tracking 18 public bitcoin-mining companies through SEC filings, company reports, deals, and disclosed mining sites.

A live sports-card pricing index that ranks players by their share of scarce-card value across recent releases.

An iPhone GPS speedometer that records trips, replays routes, grades corners, measures G-force, and calculates a driving score.

A rail-yard operations system that records track position, equipment movement, shop status, and daily closeout reporting in one place.

A planned event-planning tool that connects guest lists with budgets, menus, seating plans, schedules, and volunteer shifts.

A Spanish territorial-intelligence service turns a cadastral reference into a documented analysis of physical risks, restrictions, and easements.

A free, no-install diagnostic tool that tests Chromebook hardware for school IT teams.

A self-guided walking guide covering 17 cities with numbered stops, distances, routes, and 3D maps.

A browser-based stem splitter that separates songs into vocals, drums, bass, guitar, piano and other parts for mixing, practice or download.

MinerTerminal tracks 18 public bitcoin-mining companies using SEC filings, company reports, and disclosed operating-site data.

A browser-based workspace for turning curated vocabulary into verified word-search interiors and synchronized answer keys for KDP.

A professional audio-design tool that reads a venue floor plan, recommends speakers and amplification, maps coverage, and produces a priced bill of materials.

A Russian platform for finding padel and tennis courts, joining level-matched games, booking clubs, and tracking player ratings.

A browser-based editor that places an existing logo inside a customizable stamp layout and exports the result as a transparent PNG or SVG.

A browser-based tool that compresses, resizes, and converts images to exact upload requirements.

A free Italian tool that helps choose a wall fixing based on the wall material, object, estimated load, and number of fixing points.