Categories
Provides free browser-based tools for developers, freelancers, and creators, including formatters, converters, and calculators.
Helps engineering teams package, version, and distribute coding workflows to developers and AI agents.
A hosted API that converts HTML, URLs, and templates into PDFs for developers and AI agents.
A no-signup collaborative code editor for teams to write and run code together with AI reviews.
Provides TeX-compatible English hyphenation for typesetting projects and Rust developers.
A local browser automation tool for recording and running web workflows with JavaScript or AI agents.
Provides open-source React components for viewing and working with documents in apps and internal tools.
A TypeScript toolkit for building web apps with widgets and event handlers that run in browsers or Node.
A JavaScript and TypeScript library for building interactive timeline and Gantt views in web apps.
An attribute-based CSS framework for developers building responsive, animated websites without class-heavy styling.
Helps IT teams collect, analyze, and collaborate on Linux diagnostic reports and incidents.
Lets coding agents control a user's local browser while preserving human sign-in and handoff.
Manages localization in Git with tools to author, validate, build, and consume translations.
Provides remote development environments for AI agents and tracks changes from prompts through commits and production.
Hosts HTML and renders Markdown as shareable web links for people who want to publish pages without signup.
A zoomable canvas for arranging terminals, code editors, and browsers while coding.
A runtime and CLI for building and running AI app Kits in isolated sandboxes.
Enables developers to design and simulate digital hardware in TypeScript, test circuits, and export them to Verilog.
A React component for building subscription cancellation flows with surveys, offers, feedback, and optional Churnkey analytics.
Connects software developers with professional testers to find bugs and usability issues before launch.
A browser-based tool for formatting, searching, and viewing JSON and XML data as tables or trees.
Helps users choose and download FFmpeg binaries for their operating system and build requirements.
Lets AI agents share text through public URLs with a REST API and optional expiry or view limits.
A cross-platform library for automating and testing native desktop apps through their accessibility trees.
Assesses individual and organizational readiness for software engineering with AI.
Checks repository-specific conventions and invariants alongside existing linting and code analysis tools.
A macOS app that mirrors local web projects to an iPhone for live mobile UI testing.
Helps teams reduce coding-agent costs, preserve session context, and control agent permissions.
Lets teams send ESC/POS printer output to an HTTP service to preview, search, and monitor receipts.
A browser-based JSON viewer and formatter with diff, schema, webhook, and other developer tools.
A self-hostable CLI that builds JavaScript and TypeScript handlers into sandboxed WebAssembly binaries.
Connects users to VNC servers through a browser, with private sessions routed through a proxy.
Measures bufferbloat, latency, jitter, and packet loss to help people diagnose internet connection quality.
A local desktop IDE for monitoring, deploying, and managing Amazon ECS services across AWS accounts and regions.
Provides cloud Linux computers for running and managing Claude Code and Codex agents from desktop, mobile, terminal, Slack, or Linear.
Provides developers with cropped, background-aware logos for domains through an API.
Runs deterministic checks on code changes and blocks CI when new issues appear for software teams.
A browser-based collection of free tools for formatting data, testing APIs, and handling common development tasks.
A Windows HTTP client for organizing, running, and inspecting .http and .rest requests across repositories.
Helps developers and teams estimate and manage cloud costs for infrastructure-as-code changes in their coding agents or IDEs.
A searchable reference site with cheatsheets and quick-reference guides for developer tools.
A JavaScript framework for building HTML-first dynamic components without a build step.
Keeps GitHub repository documentation current and provides source-backed context for teams and AI agents.
Runs long-lived apps, AI agents, and scheduled jobs in isolated microVMs that can migrate between hosts without restarting.
Lets developers run and access AI coding agents on their own servers from a browser or Telegram.
A local-first CLI for defining, executing, versioning, and auditing processes as files.
Checks image dimensions and rendered sizes on webpages for web developers and site owners.
Visualizes how JavaScript code uses the call stack, heap memory, and event loop.
Indexes Terraform modules and usage conventions so infrastructure teams can search, compose, audit, and optimize Terraform code.
Finds likely website builders, technology clues, and visible contact paths using public domain evidence.
Helps developers discover and track GitHub repositories recommended by curated awesome lists.
A component-based template language for building frontends that compiles to Rust.
Provides local, searchable document memory for AI tools, coding agents, and their users through a CLI and optional server.
A browser-based editor for designing block diagrams, running simulations, and generating code.
A terminal-first tool for reviewing local Git diffs and inspecting AI-assisted code changes.
Rates whether websites are likely to allow access by AI and computer-use agents, with a Python library and HTTP API.
Generates IATA boarding pass barcodes for developers testing check-in and boarding systems.
Connects forms on AI-generated pages to submissions, notifications, and integrations.
Lets developers voice-control AI coding agents running on their machines from phones, watches, and cars.
A command-line tool that checks Markdown documentation for broken links, credential leaks, and structural issues before merge.
An alpha SSR framework for building Svelte 5 apps on Bun with islands-based selective hydration.
Lets non-engineers edit a web app in plain English and open reviewable GitHub pull requests.
An informational guide showing streamers how WebRTC can improve latency, privacy, quality, and accessibility.
A task and terminal manager for running coding agents in parallel with isolated git worktrees and automated workflows.
Coordinates coding agents across local and remote machines and guides their tasks through to merged pull requests.
A native macOS app for building and running parallel AI coding agents across software projects.
Helps engineers practice spotting risks in AI-generated code, infrastructure, SQL, and CI/CD artifacts.
A terminal-based Markdown previewer for developers and command-line users.
Helps developers and coding agents find and evaluate open-source repositories to build on.
A code editor for building websites, web apps, and Markdown documents with live preview and Git tools.
Generates production-ready APIs for developers integrating with websites and web systems.
Helps Kotlin developers search and browse standard library functions, types, signatures, and documentation.
Lets developers send and manage iMessages and listen for messaging events from the terminal.
A browser-based Python IDE for building, previewing, and sharing cross-platform apps.
Runs coding agents in remote development sandboxes connected to GitHub and team tools.
Provides public IPv4 and IPv6 URLs for local AI agents, webhooks, streams, WebSocket services, and developer apps.
Maps cross-repository dependencies in GitHub organizations and simulates the blast radius of changes.
Monitors websites, services, and scheduled jobs, with incident management, status pages, and alerts for teams.
Moves software from customer feedback to production using AI triage and coding agents under team oversight.
Helps engineering teams enforce approved architecture decisions across AI coding agents, repositories, and CI.
A JavaScript library for rendering interactive 3D meshes as styled DOM elements without WebGL.
An interactive tool for exploring the Game Boy PPU pixel pipeline and diagnosing emulator output differences.
Checks Dockerfiles for security issues, outdated images, and common configuration mistakes in browsers and CI.
An open-source Rust framework for building audio and MIDI applications such as plugins, synthesizers, and sequencers.