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Unsure Calculator
The Unsure Calculator is an online tool that lets you calculate with numbers you’re not sure about.
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Every tool link in the ranking, ordered by what people actually open. All checked automatically.
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Azgaar
Free web app that helps fantasy writers, game masters, and cartographers create and edit fantasy maps
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Poline — Esoteric Color Palette Generation Library
poline is lightweight, dependency free and fast JavaScript function written in TypeScript. It draws lines between anchors over polar coordinates to generate pleasing color palettes.
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Adobe Firefly - Free Generative AI for Creatives
Create and edit images, audio, and video with Adobe Firefly’s Generative AI, plus try top models from Google, OpenAI, and more.
OPEN IT →SvgPathEditor
Online editor to create and manipulate SVG paths
OPEN IT →Deal With It GIF emoji generator
Most over-engineered Deal With It emoji generator - all done securely in your browser for free.
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Base - SQLite editor for macOS
Base is the SQLite database editor Mac users love. Designed for everyone, with a comfortable interface that makes database work so much nicer.
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The Collaborative API Development Platform
Leading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets
OPEN IT →HTMX playground & examples
Learn HTMX with examples, and use the playground to write code in a backend-like environment, running entirely inside the browser. You can define endpoints within server.js and render your own templates. It will run a mock server that intercepts outgoing requests from HTMX.
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AudioMass
AudioMass is a free full-featured web-based audio & waveform editing tool
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Command Line Interface Guidelines
An open-source guide to help you write better command-line programs, taking traditional UNIX principles and updating them for the modern day.
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BreezePDF — Edit PDFs Easily and Securely
A powerful PDF editor with 39+ features that runs entirely in your browser or locally on your desktop. Add text, signatures, merge files, export to DOCX — free, offline, and completely private. Files never touch our servers.
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Announcing Observable 2.0
Launch of Observable 2.0: an open-source tool for building data apps and dashboards with a seamless developer workflow and optimal user experience.
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3D Book Image CSS Generator
Generate an animated 3D image from a book cover and export to HTML/CSS to embed on your website.
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Brutalita Sans
Brutalita is an experimental font and font editor, edit in your browser and download OTF.
OPEN IT →CSS Flexbox Playground
Interactive tool to learn and experiment with CSS Flexbox properties in real-time
OPEN IT →Zed is now open source - Zed Blog
From the Zed Blog: We hope you'll join us in our mission to fundamentally advance software collaboration.
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TikZ Editor
Free WYSIWYG editor for TikZ diagrams in LaTeX. Drag elements and the TikZ code updates instantly, without disturbing your formatting.
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PhysX SDK 4.0 Available Now | NVIDIA Technical Blog
The engine has been upgraded to provide industrial grade simulation quality at game simulation performance. In addition, the PhysX SDK has gone open source! It is available under the simple 3-Clause…
OPEN IT →Learn Postgres at the Playground | Crunchy Data Blog
Run Postgres in your local web browser with guided tutorials to help you grow your Postgres skills.
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