App Category : Developer Tools

REST/JSON/JSONP GeoIP API

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Glitch is a public web app in Development, added as an example listing for the open web app directory.

Build fast. Run any code fearlessly.

FortniteInfo shows Fortnite’s current map, news, and shop items and checks the validity of a creator code.

Recreation of the OP-1’s Finger sequencer using the Web MIDI API

Favicon InBrowser.App is a tool to generate favicon. Fully runs in your browser. No server-side code.

Front-end Developer Interview Todo List

Encoder is a web-based tool that allows you to easily encode text into various formats, including base64, binary, MD5, Morse code, QR code, Unicode, URI Component, and more.

Free, client-side privacy and developer toolbox with 36 tools that run entirely in your browser: PGP encryption / decryption / signing / verification, TLS and SSH key parsers, BIP39 mnemonic generator, HMAC, JWT, TOTP / 2FA, PBKDF2, hashing

ArcGIS Maps SDK for JavaScript

Ethereum is a global, decentralized platform for money and new kinds of applications. On Ethereum, you can write code that controls money, and build applications accessible anywhere in the world.

Expense Tracker React Web Application and PWA

Use any LLMs (Large Language Models) for Deep Research.

Offline-friendly API documentation browser for languages and frameworks.

Browser-first tools for text, JSON, images, files, and developer workflows.

Application web offrant des conversions, encodages et chiffrages modulaires en ligne. Les traductions sont effectuées dans le navigateur sans aucune interaction avec un serveur. Il s’agit d’un projet Open Source, le code est sous licence MIT.

Professional real-time cryptocurrency price tracker with advanced analytics, watchlist, and price alerts

Borough Offices, Police Department, Code Enforcement, Street Department, & Animal Enforcement.

Cloud Posse provides expert DevOps solutions, Terraform modules, and infrastructure-as-code to accelerate AWS deployments. Optimize your cloud infrastructure with our open-source tools and best practices.

AI-powered file system manager using the File System Access API

Code de la Faluche Amiénoise

Clobbr is a fast, local-first API load testing tool for macOS, Windows, and CLI. Lifetime license, no subscription, no account, GraphQL + REST supported.

Transformez votre code source en images magnifiques