Explore the radar

Free, open-source browser pixel art and sprite animation studio with PIX2 workflows and Unity sprite export.

An iOS and Android app that shows remaining usage limits and reset times for AI coding services.

A backend for coding agents: model gateway, auth, Postgres and storage behind one project key.

Windows on Arm app & game compatibility

Free and open-source alternatives to paid apps, ranked and explained

Continue your coding-agent terminal session from computer to iPhone and iPad.

17 free online tools for developers, DevOps and sysadmins

A terminal app for Mac and Windows with SSH, SFTP, database, Docker and Nginx tools in one workspace.

Permanent web hosting for AI agents, no human step

Self-hosted X activity history with a constellation timeline.

Software licensing and a branded store, with online, offline, floating and metered licenses and eight SDKs.

Open-source PIM and DAM platform to manage, enrich, and distribute product data with AI.

Free Claude Code plugin for SEO, AEO and GEO, with site audits, content plans, schema and link checks.

Discover trending GitHub projects with bilingual AI reviews and historical rankings

Define whole features. Give AI agents context. Verify the implementation.

An offline-first Kanban app for macOS with local SQLite storage and an MCP server for AI agents.

A native Mac terminal built for fast SSH workflows, multi-host operations, and agent-aware remote work.

Share text, images and files across devices with no app or sign-up.

Open-source uptime monitoring and public status pages

An open-source, self-hostable design editor for graphics, slides, video, whiteboards and docs.

Business messaging APIs for SMS, WhatsApp, RCS and OTP

Android testing tool for QA: device profiles, test identifiers, location and Wi-Fi values per app.

SMS, OTP and programmable voice for Brazilian businesses

An open-source image editor written in Rust, with layers, masks and PSD support.

Video background removal via API and remote MCP.

Reliability primitives for Python async operations

Free browser utilities for JSON, CSV, images, audio and everyday file tasks

Eight free developer tools that run in your browser.

Open-source SQL workspace for desktop and web

CSV imports for React with column mapping, validation, and inline corrections

Free browser-based utilities for JSON, JWT, Base64, UUIDs, hashes, timestamps and more.

Desktop SVG icon editor with a built-in MCP server.

Localize software changes with AI drafts, automatic checks and team review.

AI sprite animations for indie 2D game developers

37 free browser tools for text, CSV and JSON, with no account required.

Free online DNS lookup, DNS leak testing, and network diagnostics for developers and system administrators.

Browser tools for viewing, comparing, validating, escaping and converting JSON.

Live and historical market data for developers

Continuous fuzz testing and harness improvement, in prelaunch with a waitlist.

Check coding-agent edits against plain-English code requirements

A separate Mac desktop for each project’s terminals, coding agents and browser preview

Check software license compatibility and identify potential conflicts before combining or distributing code.

Open-source, privacy-friendly web analytics without cookies.

A platform for running apps and databases in virtual machines close to your users.

Serverless Redis, vector search and message queues with HTTP APIs.

A small, fast web framework built on Web Standards that runs on any JavaScript runtime.

A content platform with a real-time content backend and an open-source, customisable studio.

An open-source headless CMS and application framework built on Next.js.

A fast formatter and linter for JavaScript, TypeScript, JSON and CSS in one tool.

A frontend build tool with a fast dev server and optimised production builds.

An open-source virtual whiteboard for sketching hand-drawn-style diagrams.

A social website for writing and deploying small TypeScript functions in the browser.

Durable workflows and background functions triggered by events, written in your own codebase.

A reactive backend where queries, mutations and schemas are written in TypeScript.

A TypeScript ORM with a declarative schema, migrations and a type-safe query client.

Error tracking and performance monitoring for applications.

A workspace that combines documents, wikis, databases and project tracking.

An on-device meeting notetaker for macOS that identifies speakers without a bot joining the call.

An open-source AI engineering platform for designing, verifying and shipping circuit boards.

A framework for building command-line tools that AI agents use to reach SaaS platforms.

An open-source payments platform positioned as an alternative to Stripe Connect.

Open-source time-series metrics that work with your existing database.

A small, fast, open-source code editor for Windows, Linux and macOS, written in assembly.

An agentic coding environment for running AI agents in parallel and reviewing their edits.

An open-source React UI kit for document apps: PDF, DOCX, XLSX and CSV viewers and more.

An open-source Wolfram Language interpreter written in Rust, with a browser playground.

Persistent NixOS and Ubuntu virtual machines controlled from the CLI, designed for long-running agents.

A backend in one folder of TypeScript: database, server functions, auth and file storage.

A cloud platform that deploys websites, apps and databases to a public HTTPS URL over SSH or Git.

A rootless Linux sandbox for isolating coding agents and third-party programs.

Markdown notes that run shell commands, code, SQL and AI prompts in place.

Cloud computers for coding agents such as Claude Code and Codex, managed from desktop, phone or terminal.

KiCad in the browser, with real-time collaboration on the same project.

A post-mortem debugger for native Windows x86 and x64 crashes, currently in private beta.

An open-source password manager that works without an account, with your vault as a local file.

A platform for deploying and hosting web apps, from the team behind Next.js.

A keyboard launcher for Mac that replaces Spotlight with extensions, snippets and window management.

A documentation platform that turns Markdown in your repo into a polished docs site.

An infinite canvas SDK for React, and the whiteboard built on top of it.

A link attribution platform with branded short links, conversion tracking and affiliate programs.

Open-source background jobs and long-running workflows written in TypeScript.

A lightweight smooth scroll library from the studio darkroom.engineering.

An animation library for React, JavaScript and Vue, formerly known as Framer Motion.

A JavaScript animation library for timelines, scroll-driven effects and complex sequencing.

Payments infrastructure and APIs for charging cards, running subscriptions and moving money online.

Open-source product analytics, session replay, feature flags and experiments in one platform.

A utility-first CSS framework for building designs directly in your markup.

Accessible React components you copy into your project and own, built on Radix and Tailwind CSS.

A web framework for content-driven sites that ships zero JavaScript by default.

A fast JavaScript runtime, bundler, test runner and package manager in one binary.

Infrastructure that deploys from a repo or Dockerfile, with databases and environments built in.

SQLite for production: a distributed database built on libSQL with embedded replicas.

Serverless Postgres that scales to zero, with instant database branching.

Authentication and user management with prebuilt components for React and Next.js.

A browser-based 3D design tool for building interactive scenes for the web.

A design tool and runtime for interactive animations that ship to web, mobile and games.