Useful Tools

A collection of offline field software, build manuals, and printable hardware designs for radios, aircraft trackers, mesh nodes, robots, and other self-built equipment.

A low-cost objective-prism rig captures stellar spectra, then an analysis pipeline identifies a star’s spectral type, temperature, mass, and related properties.

A free aphasia-rehabilitation practice tool offering seven language exercises in Spanish, French, and Catalan.

A planning tool for landscape and astrophotographers that weighs darkness, moon position, cloud cover, aurora conditions, eclipses, and visible targets for a chosen location.

An independent, sourced reference for Ricoh GR cameras, accessories, compatibility, repairs, phone apps, and buying decisions.

A family video-review tool lets parents mark a player's moments, then compares the player's account with a coach's blind response.

A performing-arts operations platform that coordinates schedules, casts, departments, tours, and last-minute changes.

A motorcycle identification and fitment database covering make, model, year, trim, market, maintenance, and parts compatibility.

A browser-based planner that turns LED wall dimensions and panel choices into pixel maps, signal plans, power estimates, rigging figures, and production exports.

A searchable directory of typefaces spanning 842 type foundries, with filters for style, category, pricing, source, use case, and features.

Enter a place and get a ranked map of nearby forest areas, with separate outlooks for 14 mushroom species grouped into nine categories.

A Spanish-language mobile diary for recording meals, symptoms, and bowel movements, then comparing what happens afterward.

A cross-device time visualizer that combines Watch, iPhone, and Mac signals into a block-based view of your day.

A TestFlight app for iPhone, iPad, and Apple Watch that monitors an anchored boat using depth, chain, GPS, wind, waves, and chart data.

A browser-based audio converter that handles ten format conversions without uploading the source file.

ARQON presents four open-source Blender add-ons that move architectural visualization from a scaled floor plan to a furnished interior.

Uma camada analítica que lê o ERP de supermercados em modo somente leitura e procura perdas, custos ausentes, despesas não lançadas e outros pontos cegos operacionais.

A scheduling and invoicing tool for freelance AV technicians, combining roster feeds, forwarded booking emails, calendars, and GST-ready AUD invoices.

A browser and mobile lab workspace for colony counting, protocols, timers, plate labelling, dilution math, buffer recipes, and related bench calculations.

A browser-based classroom board and lesson planner that keeps agendas, Do Nows, objectives, timers, and lesson plans together.

A searchable atlas of 5,780 federal campgrounds, organized by reservation status, site count, agency, state, hookups, and fees.

A sortable comparison table for canned lattes, covering caffeine, sugar, protein, milk type, size, and price per can.

A location-aware iPhone privacy tool that hides selected app icons when you leave a defined safe zone, with optional Apple Watch unlocking.

An iPhone app for logging cigars, tracking humidor lots and resting times, and optionally publishing tasting notes to a social feed.

A free browser analyzer that turns wingfoil .fit files into flight time, speed records, and a verdict on every jibe.

An iPhone currency converter that also interprets the same typed number as temperature, distance, weight, tipping guidance, and local time.

A browser tool that traces a cross-country course on an aerial map, measures it to the metre, and produces a flyer and meet packets with the maps included.

A planned Windows app that organizes photographs of children’s artwork into captioned spreads or contact sheets and exports print-ready PDFs.

A closed-test Android app that sends mouse, keyboard, and gamepad-style controls from a phone over Bluetooth HID.

A desktop deduplication and archive-organizing tool for macOS and Windows that scans drives and NAS mounts without changing originals by default.

This feasibility tool checks vehicle, charging, access, timing, handling and destination conditions before a carrier commits to a job.

A Warhammer 40,000 probability tool that ranks weapon loadouts, targets, and kill chances across four combat instruments.

An interactive field guide and classifier for distinguishing simulations, digital models, digital shadows, digital twins, and adaptive twins.

A contract-signing tool that records each step of an agreement and lets anyone holding its short code check the resulting chain.

An interactive calculator that translates a dollar between years using everyday prices, housing, metals, major indexes, or Bitcoin.

A browser-based construction-drawing workflow that reads PDF, DWG, DXF, or ZIP files into material quantities, opening schedules, transport estimates, and comparable prefab-building requests.

A guitar-and-bass theory reference that shows scales, chords, arpeggios, and intervals as notation, piano keys, and fretboard patterns.

A browser-based validator checks CSV, TSV, and XML product feeds, then compares original and corrected versions for regressions and silent product removals.

A collection of file, data, and text converters that runs in the browser without uploading the material being converted.

An iPhone and iPad generator for creating single-line vector art, then exporting it as a plotter-ready SVG or screen-sized wallpaper.

A free browser-based converter for images, PDFs, documents, and audio files.

A free library utility that sorts Steam and PlayStation games by playtime, progress, installation status, and the amount of evening you actually have.

Garagist uses a Telegram bot to turn photographed receipts and voice notes into a vehicle maintenance history and service-book PDF.

An iPhone app that locks a parent's own phone during chosen family hours and records each kept hour as a per-child keepsake.

A free Mac desktop pet that walks across your screen, reacts to typing and the spacebar, and can be dressed up with character-specific items.

A free collection of browser-based image, PDF, and text utilities that works without uploading files or creating an account.

A homebrewing toolkit that calculates ABV, IBU, priming sugar, dilution, strike water, and SRM while exposing the formulas behind each result.

A cross-platform flight-route globe that visualizes great-circle paths, measures each leg, shows waypoint weather, and exports a flat map for sharing.

A Portuguese-language Adobe Premiere Pro plugin that automates repetitive timeline work such as ducking audio, cutting silences, reframing shots, and managing markers.

A free, open-source macOS menu-bar toolkit combining timers, tracking, system stats, clipboard history, file utilities, window layouts, and more.

A collection of 17 browser-based tools for converting, compressing, recording, editing, and generating files without uploading them.

A collection of native KDE desktop utilities for writing USB media, analysing disks, backing up systems, monitoring networks, and configuring fresh Linux installs.

Kammeri is a native macOS library that indexes packs, LUTs, plug-ins, sounds, fonts, and other creative assets where they already live.

KNOCE combines an industrial edge controller, equipment monitoring, alarm management, anomaly detection, and maintenance work orders.

A tool that analyzes up to 300 recent public X posts from a handle and produces a 0–100 score for contradictions in money-making claims.

LGDI is a static bulletin board for lawful, non-violent physical errands that software cannot perform.

A public research tool tracking how long motorcycles, ATVs, side-by-sides and other dealer listings have remained online, how asking prices changed, and what other dealers ask.

A free, client-side analyzer that checks SPF, DKIM, DMARC, delivery paths, policy records, and spoofing risk from a pasted email header.

A forthcoming iOS app lets actors choose a character while synthetic voices perform every other role in a scene.

A browser and Windows app for reading, editing, and exporting Markdown and PDF files.

Miso is a Mac meeting assistant that transcribes calls locally, saves searchable notes, and suggests questions to ask next.

A screening tool for judging whether a location could support a high-volume robot or humanoid manufacturing plant.

misheard.app offers iPhone dictation drills that show which words speech recognition keeps getting wrong and help users practice them.

A Korean mobile invitation and reception ledger for weddings, first-birthday celebrations, and funerals.

A Korean-language tool that checks up to 500 business registration numbers against National Tax Service data.

A free browser-based studio for designing, cataloging, and printing museum-style labels for fossils, minerals, meteorites, antiques, and personal collections.

A private time-capsule service for preserving stories, photos, voice notes, and letters for future moments and family milestones.

A free fitness-tracking app that turns a target date into daily numbers, then logs training, food, health data, protocols, and recovery against the plan.

An open index of third-party analytical results for research peptides, with searchable records, supplier rollups, laboratory comparisons, anomalies, and downloadable data.

A sauna comparison site that matches outdoor sauna models and heaters using published dimensions, prices, and manufacturer sizing tables.

A browser-based typing practice tool that uses books, keyboard telemetry, and per-key weakness scores to make reading double as training.

A private iPhone and Android journal built around local storage, durable writing, and no account or cloud sync.

This forthcoming Mac app scans a stack of paper, separates it into documents, names the files, and sorts them into folders.

A private timeline and evidence library for examining overlapping changes in medication, sleep, mood, attention, and awareness.

A browser-based PDF toolkit with 117 tools for editing, converting, inspecting, organizing, and processing documents without uploading them.

A domain-name discovery tool combines lists of cities, trades, tech nouns, mythology roots, or affixes, then checks the resulting names for availability.

An interactive musical-linguistic terminal that converts words into cipher values, chords, melodies, and playable instrument voicings.

A browser tool that converts, repairs, and checks music files for DJ decks, car stereos, and other picky playback hardware.

Printyard calculates the landed cost and net margin of a 3D print, including filament, purge waste, electricity, machine wear, labor, reprint reserve, packaging, and marketplace fees.

A browser-based DICOM viewer lets people open imaging-disc files locally, then optionally order a plain-language review.

A Thai-language restaurant system that moves orders from staff phones or table QR codes to the kitchen, payment, and dish-level cost tracking.

A curated internet-radio player for Android and Android Auto, with free station access and optional tools for discovery, memory, and music tracking.

A licensed monitoring service that captures vendors’ published terms, dates and hashes each version, splits them into clauses, and marks what changed.

A commitment alarm that lets you stake $1–$500, then charges the stake if you sleep through the bell.

An offline, always-on-top drug reference for checking interactions without leaving an EHR, PDF viewer, or other active window.

A Windows capture, annotation, search, and recording tool that stores screenshots locally and indexes their contents without an account or cloud upload.

A point-of-sale system for Pakistani restaurants, retailers, and service businesses, with branch-level tax, offline selling, food costing, inventory, delivery, and reporting.

An iPhone-based dry-fire coach for 10-metre air pistol, measuring muzzle movement instead of pretending to score shots.

An in-browser 3D city modeler that turns open map data into flyable, tourable, and printable urban landscapes.

SOPWOW records a browser workflow, asks about decisions the recording cannot explain, and produces a redacted SOP in visual, Word, Markdown, and PDF formats.

A recipe assistant that turns fridge photos, screenshots, and Instagram reels into cookable meals, scaled portions, and consolidated shopping lists.

An iPhone app reads an aircraft’s cabin ADS-B feed over local AirFi Wi-Fi and displays live flight progress without an internet connection.

A monitoring cockpit that maps YouTube channels reusing a streamer's content and prepares measured responses.

Suma is a Windows retail system for sales, inventory, customer credit, card payments, reports, and self-checkout.

A searchable directory of direct subscription-cancellation pages, covering 626 services across countries and categories.

A route, airport, and airline reliability tool built from nearly 10 million official U.S. flight records.

Thingway presents a phone-first writing app for novels, screenplays, theses, fan fiction, and other long-form work.

A student-built TU Darmstadt planning tool for searching courses, assembling a weekly timetable, spotting clashes and exam bottlenecks, and comparing reported grade distributions.

Latrobe’s first module, Franklin, reads Microsoft 365 mail and attachments, sorts them into an office’s own categories, and surfaces dates buried in correspondence.

A family festival-planning app that works backward from the celebration date to track preparations, household variations, timings, and shared tasks.

A free macOS utility that puts the time until your next meeting in the notch, with calendar-aware alerts, one-click joining, and thirteen optional desktop tools.

A free, account-free tool for making invoices and quotes in Ariary, with Madagascar-specific tax, payment, and numbering details built in.

A vinyl-discovery tool that turns playlists and music-library exports into a buyable stack of records.

A free, once-a-day Trailer Park Boys quiz with ten shared questions, speed-aware scoring, streaks, and group leaderboards.

A set of health calculators and food-data tools covering caffeine timing, plant variety, protein, sleep, and basic fitness.

A plain-English tracker of U.S. food recalls and alerts from the past 30 days.

A Minnesota and regional ski-opening guide that combines wet-bulb forecasts with historical resort opening dates.

A cargo-fit checker that tests an item's dimensions against measured trunk configurations for specific cars.

A browser-based satellite-weather screening tool that estimates optical-clear and Ka-band ground-window hours from public ERA5 reanalysis.

A free, local manuscript diagnostic that measures character voices, prose uniformity, and drift from the writer’s stated intent without rewriting the text.

A Japanese browser tool that converts JPG, PNG, WebP, HEIC, SVG, and TIFF files into PDFs without uploading them to a conversion server.

A browser-based image toolkit that compresses photos to an exact KB limit, resizes them to exact pixels, converts formats, and applies passport or signature specifications.

A Thai-language Ragnarok Zero database with farming, drop-search, equipment, and AFK-spot tools.

A browser-based barcode tool for film and music collectors that identifies specific editions, checks for duplicates, and flags possible upgrades.

A reconciliation tool for US wholesale distributors that checks supplier rebate statements against purchase records and the agreements behind them.

An iPhone app that converts Google Maps Timeline exports into animated journey videos following the roads you actually travelled.

A New Zealand fishing log for recording whitebait catches alongside river, tide, flow, temperature, and weather conditions.

A Windows preview app uses local hand tracking to move, click, double-click, drag, and scroll across the screen through a standard webcam.

A searchable statistics hub for the Angkols Basketball League, with standings, schedules, player cards, box scores, and league leaderboards.

A Mac and Windows utility copies the local path or cloud link of the active file with one keyboard shortcut, then offers a draggable Smart Chip.

A free Arabic-English browser app guides users through one focused habit, from prayer and daily giving to health, learning, or planning.

A playful pregnancy app gives expectant fathers weekly ordnance comparisons, prenatal guidance, checklists, timers, logs, and a due-date countdown.

A sortable comparison database for canned lattes, covering caffeine, sugar, protein, milk type, size, and price per can.

A macOS utility that keeps a MacBook running with its lid closed, while letting you monitor and direct work from a phone browser.

A macOS workflow for photographers who need to ingest, cull, caption, and transmit images under deadline.

An Android and Wear OS app that records each charging session as a local, analyzable record of power, phases, temperature, and physical context.

A Japanese searchable database showing which games work on GeForce NOW and Xbox Cloud Gaming, how they are acquired, and how quickly each service responds.

A one-time-purchase Windows app for screenshots, proof markups, logo cleanup, vector conversion, and related production files.

A browser-based guillotine cutting optimizer for plywood, cabinet, and furniture cut lists.

A Korean writing-and-reflection tool built around daily prompts, revision, fortune cookies, email reminders, and a long-term habit calendar.

A market-research platform that recruits respondents from verifiable on-chain audiences instead of relying on self-reported screeners.

A macOS utility that lists files, caches, similar photos, applications, large files, and developer debris before moving selected items to the Trash.

A read-only companion for Serato, djay Pro, and Rekordbox that ranks possible next tracks by mixability and novelty.

A free calculator for assembling restaurant meals from individual ingredients and comparing equivalent orders across chains.

Evoke is a native macOS workspace tool that arranges apps around a radial launcher for window switching, layout restoration, previews, and background-app management.

A printable pocket notebook of chord voicings for mandolin, guitar, ukulele, piano, banjo, bass, and cello.

A free, no-account tool that turns your measurements, swing data, and playing habits into a golf-club specification sheet.

A free Telegram bot and mini-app for amateur football teams, handling attendance, balanced lineups, match costs, and season statistics.

A browser tool converts Hindi, Marathi, Gujarati, and English names into laser-ready SVG and DXF pendant files.

A browser-based suite of GPA, CGPA, GWA, promedio, média, and degree-classification calculators for grading systems around the world.

A Korean service directory that filters software by the specific functions it provides, rather than by rankings or broad categories.

A macOS utility mirrors the keyboard under one hand and uses word frequency, context, and local learning to reconstruct intended text.

A $5-a-month iPhone health-record app that lets patients share selected medical history with clinicians through expiring codes.

A multilingual Hero Siege reference site cataloguing 957 items with Chinese names, rarity, level requirements, affix ranges, and layered filters.

A manufacturing CRM that tracks quotes, revisions, approvals, orders, dispatch, dealers, and follow-up for job shops and contract manufacturers.

A multilingual directory for comparing AI film festivals, submission deadlines, entry rules, fees, and official source records.

A browser-based tool creates a 4 × 6-inch PDF sheet with 25 paired locket-photo sizes, from 9.9 mm to 20.7 mm.

A shared household app for chores, groceries, dinner plans, announcements, and family allowances.

A booking engine for massage salons and hotel spas that schedules therapists, rooms, equipment, couples, and guest access links together.

A browser-based Mii-style avatar maker for designing, remixing, saving, and exporting custom characters without an account.

An offline photo editor for RAW, JPEG, and HEIF images, with curves, masks, retouching, depth bokeh, and film-inspired looks.

A student-built Android campus app gathers timetables, grades, exams, empty classrooms, electricity balances, and laundry-room availability in one place.

A Canadian interprovincial alcohol-shipping compliance calculator for wineries, breweries, and distilleries.

A Japanese price-monitoring site that tracks price changes and restocks across Rakuten, with Amazon and Yahoo! Shopping comparisons.

An iPhone app that reads moves from an ordinary chessboard, sends them to Lichess, speaks the replies aloud, or records a face-to-face game as PGN.

An open database for searching Brazilian toll plazas, concessions, roads, vehicle categories, and current tariff records.

PicHaven backs up photos and videos from an Android phone to a Windows PC over the home network, without cloud storage, accounts, or subscriptions.

A local browser tool that samples pixels from anywhere on your screen and copies them as HEX, RGB, HSL, or OKLCH.

A free, accountless web puzzle where up to four people assemble images together in real time, cooperatively or as competing teams.

A live-looking dataset of observed marketplace sales for used and surplus PLCs, drives, HMIs, and servo parts.

A map-based tool that converts selected real-world areas into print-ready or computer-graphics-ready 3D models.

A small Windows app for adding signatures, initials, names, dates, and check marks to PDFs without uploading the document.

Ridgelift combines flyability forecasts, an offline iPhone flight computer, airspace warnings, route planning, live tracking, and an automatic logbook.

Field-to-office software for concrete cutting, coring, and sawing crews, covering time cards, job tickets, dispatch, billing, fuel logs, photos, and signatures.

A private file-fingerprint service that records what you made and when, then lets you share selected records by link.

A free suite of eight local-only generators for OG images, gradients, textures, waves, blobs, squircles, and fractals.

A free set of Travian calculators, unit comparisons, and reference guides covering production, costs, combat power, and crop demands.

A US weather service that answers texts with rain timing, current conditions, alerts, and outlooks when a satellite link is the only way out.

A Quebec-focused alert service that texts users before their chosen SQDC branch closes for a holiday or an unexpected change.

A browser-based converter for Australian bank statement PDFs, producing CSV, Excel, Xero-ready, and MYOB-ready files.

A browser-only writing linter that flags phrases associated with language-model prose and suggests how to revise them.

A French-language party-game platform where 2 to 12 players join with a four-letter code and play quizzes, drawing games, buzzers, word games, and other timed challenges.

A focused transcription tool that accepts Apple Podcasts, Spotify, RSS, or direct audio links and returns timestamped, speaker-labelled text in five formats.

A group-trip planning workspace that collects budgets, dates, preferences, recommendations, reminders, and itinerary decisions in one place.

An open-beta drone map turns official national airspace data into a six-part answer to “Can I fly here?”

A sourced dehumidifier reference that compares certified capacity, wattage, drainage, and estimated running cost across 527 models.

一款运行在 Windows 本地的离线工具，用元数据、正文相似度、报价规律和供应商关系整理投标文件中的复核线索。

An iOS app that fits sleep, rest warnings, and pay calculations around rotating shift schedules.

A German-language macOS app for building and exporting websites locally, without code, accounts, cloud storage, tracking, or subscriptions.

An independent guide to heated jackets, vests, gloves, and socks that compares battery energy, estimated draw, prices, and runtime.

An unofficial WARDOGS squad-economy planner for budgeting equipment, assigning roles, and testing up to three deployments.

WeatherX tracks hail, lightning, and heavy rain at specific sites, sending operational warnings and an all-clear when the danger has passed.

A symptom-led guide that helps private-well owners distinguish water-quality problems from pump, plumbing, or health concerns.

Deal Compass reads calls, email threads, calendars, and CRM history to compare a deal's recorded stage with evidence of how it is behaving.

A browser-encrypted sharing tool for passwords, complete logins, and live 2FA codes that expire or destroy themselves after a chosen number of views.

A browser-based planner that subtracts upcoming bills, essentials, debt minimums, and a safety buffer from today’s available balance.

A legal-practice platform that carries a matter from WhatsApp intake through qualification, contracting, billing, deadline monitoring, and draft preparation.

A market screener for tracking English and Japanese Pokémon card prices across more than 55,000 cards.

Athlete Select asks parents about a young player's size, experience, strength, and current bat before recommending a size-correct USSSA bat match.

An Arabic-language management suite for Algerian secondary and middle schools, covering timetables, exam supervision, attendance reports, and interactive lessons.

A browser-based football tactics board that turns saved player positions into animated drills, printable session plans, and exportable videos.

An iPhone and iPad app that lets auctioneers rehearse bidding scenarios, practise mental maths, and review performance under pressure.

A signature builder that turns a photograph and contact details into an animated image for email.

A search engine for finding specific guitars across independent shops, with model identification, prices, location details, and custom-builder listings.

A macOS menu-bar app watches Recreation.gov for openings, carts a matching campsite, and sends a phone alert.

Film Room turns ordinary phone footage, uploaded video files, or YouTube links into searchable game analysis, clips, heat maps, and player reels.

A compliance calendar and document library for trucking fleets running 1–50 trucks.

A calm color-by-number app for kids, with difficulty levels and a photo-to-puzzle mode for iPhone and iPad.

A browser-based converter that turns an Etsy listings CSV into a WooCommerce product-import file.

A source-conscious player utility for planning runs, checking co-op support, comparing PC requirements, and understanding Crimson Moon’s build system.

A French practice-management platform for coaches, sophrologists, hypnotherapists, and other solo practitioners.

A property-research platform for Dholera SIR that checks land records, zoning, market value, infrastructure and fraud signals.