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Lofty is a fractional U.S. real estate investing platform where visitors can browse property shares, learn about rental property investing, and review calculators and guides. It also provides support for marketplace orders and account activity.
LoL Math is a free League of Legends build calculator and item optimizer. It analyzes runes, enemy team composition and playstyle to calculate builds for champions, and the site states its algorithm analyzes thousands of item combinations.
MathDF is an online math solver with integrated AI chat and step-by-step solution functionality. It supports solving derivatives, integrals, equations, inequalities and related math problems. Users can input problems via math keyboard, photo scan, handwriting, or natural language. The tool provides instant in-browser results while typing, offers step-by-step solutions for eligible problems, supports image attachments, and includes a basic calculator mode.
Mathway is an AI-powered math solver and calculator backed by Chegg. It provides step-by-step solutions to problems across 11 math and science subjects, including algebra, calculus, statistics, chemistry, and physics. Users can input problems by typing, uploading a photo of handwritten or printed work, or using over 59 dedicated free calculators for tasks like solving equations, factoring, and graphing. The service has been refined for over two decades and has solved more than 5 billion problems.
MDCalc is a source for medical equations, algorithms, scores, and guidelines. It offers a library of calculators, including the Cockcroft-Gault creatinine clearance equation, a weight-based levothyroxine dose calculator, CKD-EPI GFR equations, mean arterial pressure, and the SpO₂/FiO₂ ratio. Tools can be browsed by specialty and filtered by calculation purpose.
A site offering wikis and guides for Minecraft mods and modpacks, covering items, recipes, bosses, progression, checklists and calculators. It also includes puzzles and tools such as a Nether Portal calculator and Stronghold Finder.
Minecraft Tools is a site offering free tools for Minecraft, including custom crafting, firework crafting, a flat world generator, a mobs generator, an enchant calculator, banner crafting, armor color, color codes and text generators. A page lists crafting recipes in Minecraft by category.
MISSILEMAP is a digital mapping visualization by Alex Wellerstein that graphically displays the range and accuracy of many types of missiles. It includes a location lookup and a Single Shot Probability of Kill calculator, and is intended to help show the relationship between missile range, accuracy and warhead size.
An interactive playground and graphical semantic calculator for modal propositional logic. Users add states and transitions to build models and enter formulas using notation such as []A for necessity and A for possibility.
Nano ID CC is a collision calculator for Nano ID, a library for generating random IDs. It helps estimate how much an ID length can be reduced, given a chosen alphabet, ID length and generation speed, to keep the probability of at least one duplicate low.
NotesPlus is a note-taking app for iPad and iPhone built around Apple Pencil use. It supports importing PDF, PPT, Word, image and web link files, and offers study aids including a calculator, clock, timer, screenshot and draft tools. Online class videos from BaiduNetdisk or bilibili can be added, and notes sync through iCloud.
Numbat is a statically typed programming language and high-precision scientific calculator with first-class support for physical dimensions and units. It supports mathematical computations, unit conversions, and physical quantity calculations, with documentation, syntax reference, and installation guides available.
Numbr is a smart calculator combined with a notepad that allows users to work with numbered notes alongside calculations. It is available as a web application and a Chrome extension, with documentation, bug reporting, and tips resources provided.
Paimon.moe is a companion site for Genshin Impact. It offers an ascension calculator and database to plan farming, a todo list, and a wish counter that imports wish history and tracks pity and wish statistics. It also provides reminders and an achievement tracker.
Palworld.gg is a Palworld database and wiki covering Pals, breeding, items, weapons, structures, an interactive map and building information. It also provides a breeding calculator, team builder, tier list, capture rate and technology tree.
PCjs Machines offers online machine emulators written in JavaScript. It runs DOS, Windows, OS/2 and other vintage PC applications in a web browser on desktop computers, iPhones and iPads. Emulations also cover microcomputers, minicomputers, terminals, programmable calculators and arcade machines, alongside an archive of historical software and documentation.
PokéClicker is a browser-based Pokémon game featuring a Pokédex, items, achievements and challenge modes. It includes dungeon runs, where hired dungeon guides open chests, descend ladders and start boss battles for an upfront, non-refundable cost. A Battle Frontier offers stages for Battle Points, and a damage calculator is listed.
Pokémon Showdown is a browser-based Pokémon battle simulator. Users can play battles online with randomly generated teams or teams they build themselves, with animated battles. The site also offers a damage calculator, usage stats, a Pokédex, replays and a strategy forum.
Project Wallace is a web-based CSS analyzer that examines stylesheets for complexity, specificity, performance and design tokens. Users paste a URL or raw CSS to receive a full analysis, a quality score, a design token audit and a custom property inspector, plus a cascade layer visualizer. Standalone tools include a CSS prettifier, minifier, diff viewer and specificity calculator.
Qalculate! is a multi-purpose cross-platform desktop calculator. It provides everyday tools such as currency conversion and percent calculation, along with advanced capabilities including symbolic calculations, arbitrary precision, unit conversions, and plotting. The software includes over 400 functions and 400 units, supports various number bases, and offers a user-friendly interface with Gtk, Qt, and CLI options. It is free software licensed under the GNU Public License v2 or later.
Raycast is an extendable launcher that collects productivity tools in one place. It includes an AI chat agent and extensions for third-party tools such as Notion, Slack, JIRA and Spotify. Its Calculator extension handles math expressions, unit and currency conversions, dates and time zones.
RCPlanes Online is a site about radio-controlled model aircraft. It offers a basic aerodynamics guide, a beginners' guide and useful information about RC planes. It also provides calculators for center of gravity, wing loading, motor and propeller combinations, propeller static thrust, and plane performance.
Roll for Fantasy is a site for tabletop role players and other creative folk. It provides a collection of browser tools, including character, map, dungeon and world creators, dice and loot generators, and encounter calculators. It also hosts guides on game mastering, world building and writing.
Safeaudiokit is a browser-based online audio editor for cutting, trimming and changing the pitch and speed of audio files. Its tools cover MP3 editing, audio effects, audio compression and audio calculators. The site states that no files are sent to a server.
