Good Stuff

A free, open-source launch kit for building a customer help center with HTML, CSS, and JavaScript. It includes a customizable 20-page template, article blueprints, and practical content planning tools.

A collaborative coding environment from the creators of Zed that keeps conversations, reasoning, and code changes together in shared threads. It is designed for teams working alongside coding agents with reviewable context.

An opinionated TypeScript application framework and ORM ecosystem built for Bun. It combines a fast HTTP core with dependency injection, validation, middleware, queues, scheduling, WebSockets, and structured enterprise patterns.

An open-source visual browser automation platform for building deterministic workflows from blocks and exposing them through an API. It supports dynamic inputs, structured results, screenshots, recordings, and self-hosted execution.

A declarative YAML syntax and CLI for compiling SQL-backed definitions into interactive dashboards and reports. It keeps visualization specifications readable, auditable, and easy for agents to generate.

A PostgreSQL-native GraphRAG library that combines vector search, graph traversal, and full-text search. It tracks changing facts over time without requiring a separate graph database or vector store.

A collection of accessible, customizable PDF components for React, distributed through shadcn. It provides ready-made document blocks and templates built on Takumi and Forme.

An open-source library of agent skills for generating, inspecting, sourcing, and handing off CAD, CAE, and CAM artifacts. It supports workflows for CAD models, fabrication files, robot descriptions, and local previews.

A compiler that turns React-style function components and hooks into direct DOM operations. It removes the virtual DOM and React runtime from production bundles while keeping a familiar component model.

A self-contained full-text search engine written in pure PHP with no extensions, external services, or dependencies. It provides ranked search, typo tolerance, filters, facets, and sorting for portable projects.

An open-source starter kit and UI library for building custom design applications with AI. It includes a canvas, creative controls, animation timelines, and export workflows.

A cross-platform SQLite extension that adds fast vector search for mobile, browser, edge, and server applications. It supports multiple vector formats and optimized SIMD distance calculations.

An open-source framework for turning HTML, CSS, media, and seekable animations into deterministic MP4 videos. It works locally, through a CLI, or with AI coding agents.

An open-source, configurable text-to-SQL engine that can be tuned to a specific database. It turns natural-language questions into queries using schema context and project-specific examples.

A Python DOM and server-side HTML rendering library with a JavaScript-like API. It helps developers compose and manipulate document trees when generating web interfaces from Python.

An open-source editor for creating and sharing 3D architectural projects. It provides a browser-based workspace for modeling buildings and exploring spatial designs collaboratively.

A tiny background-removal library that runs locally in browsers, Node.js, Dart, and Flutter without machine-learning models. The core is roughly 8 kB gzipped and has no runtime dependencies.

A web scraping, crawling, and monitoring API that converts public websites into Markdown or structured data. It supports batch jobs, exports, and page-change monitoring for production data workflows.

A compile-time styling system for ambitious interfaces, developed at Meta. StyleX combines the ergonomics of JavaScript with atomic CSS output, static optimization, and type-safe authoring.

A practical library of cognitive biases and psychology principles that influence user experience. It pairs each concept with product examples, design tips, and checklists for applying behavioral insights responsibly.

A curated collection of micro-interactions, easter eggs, and thoughtful interface details that add personality to digital products. Each example highlights a small design decision that makes an experience feel more engaging.

A searchable archive of brand guidelines and design standards manuals from organizations around the world. Use the original PDF documents as references for identity systems, typography, color, and brand governance.

A current reference for social media and digital advertising image and video specifications. Quickly find recommended dimensions, aspect ratios, file types, and platform-specific requirements.

A curated font discovery tool for branding and editorial design. Browse typefaces by personality, tone, and visual attributes to quickly build a relevant shortlist.

A self-hosted deployment console for shipping applications on your own infrastructure. Llama Apps offers a lightweight open-source alternative to managed platforms such as Vercel and Supabase.

Open-source collaboration and version control for artists and creative teams. Clustta helps manage project history, compare revisions, and coordinate visual work without relying on developer-centric Git workflows.

React hooks for exposing application functionality as WebMCP tools. It is transport-agnostic, SSR-safe, Strict Mode-safe, and aligned with the W3C specification.

Archify turns a codebase or system description into polished, interactive architecture maps. It deterministically compiles typed diagram data into self-contained HTML and SVG with validation, themes, motion, and export formats.

Kern is a fast, rootless container sandbox for untrusted and AI-generated workloads. It ships as a small static binary with OCI image support, resource limits, no daemon, and millisecond startup.

Slidev is a Markdown-based presentation framework for developers, powered by Vue and Vite. It includes code highlighting, live coding, themes, diagrams, presenter mode, recording, and exports to PDF, PNG, or PPTX.

OpenLayer is an open-source Photoshop plugin that connects to a local ComfyUI server for text-to-image, image-to-image, sketch, and inpainting workflows. Generated results can be previewed and imported into the active document as editable Photoshop layers.

MicroLighter is a lightweight, zero-dependency syntax highlighter that uses the CSS Custom Highlight API instead of injecting spans. It supports lazy-loaded TextMate grammars, bundled themes, and standard pre and code markup.

PicoMQ provides durable real-time streams over HTTP using S3-compatible object storage. Its zero-disk architecture supports independently scalable streams with a lightweight Rust deployment.

Radian UI is an open-source React component library paired with a synchronized Figma design system. Designers and developers can use production-ready components and UI blocks while keeping design and code aligned.

TurboVec is a Rust vector index with Python bindings, built on Google Research's TurboQuant algorithm. It supports online ingest, SIMD-accelerated search, incremental persistence, and fully local retrieval without a separate training step.

TanStack Table v9 is a headless table and data-grid library with adapters for React, Vue, Solid, Svelte, Angular, and more. Its stable v9 release adds a tree-shakable plugin architecture, improved reactivity, and major performance gains.

vibe-to-ui is an agent design skill for turning generic AI-generated pages into intentional visual directions. It helps explore layout, typography, imagery, and motion before applying changes to production code.

OpenViking is an open-source context database for AI agents that unifies memory, knowledge, RAG, and reusable skills. It provides tools for storing and retrieving structured agent context.

Flint is a visualization language from Microsoft Research that lets applications and AI agents create expressive charts from compact, editable specifications. It supports 50 chart types across Vega-Lite, ECharts, Chart.js, Plotly, and Excel.

Amp is an agentic coding environment that runs on the web, in the terminal, and on mobile. Threads can run locally or on remote machines that continue working after the laptop is closed.

OpenSSL is an industry-standard, commercial-grade toolkit for general-purpose cryptography. It is completely free to use under the Apache License for both personal and commercial builds. Developers use it worldwide to integrate robust secure communication channels into their digital products.

Diagram Design is a collection of editorial diagram patterns for Claude Code. It produces self-contained HTML and SVG diagrams for clear technical storytelling.

Siter.io is a no-code website builder made for designers. Import Figma designs, collaborate in the browser, and publish responsive sites without handoff overhead.

Unkey is a developer platform for deploying APIs, managing API keys, routing traffic, rate limiting, and monitoring usage. It brings access and traffic controls into a single control plane.

TanStack DB turns API data into typed, reactive client-side collections. It provides live relational queries and optimistic writes so interfaces update instantly while data persists.

unbash is a fast, zero-dependency bash parser written in TypeScript that produces a typed AST with tolerant, non-throwing error handling, useful for tooling that needs to analyze or lint shell scripts.

key-amnesia lets AI coding agents use your passwords and API keys without ever seeing the values, injecting secrets into child processes and censoring them from command output before the agent can read it.

CSS Studio is a local, in-browser visual editor that lets you tweak colors, layout, typography, and animations directly on your live site while an AI coding agent writes the matching changes to your real source files.

celld is an open-source, self-hosted daemon from Deno's creator that runs Cloudflare-style Workers and Durable Objects on your own infrastructure, using per-object SQLite and S3-compatible storage instead of a control plane.

SolidStart is the official full-stack framework for SolidJS, built on Vite 8 and Nitro with built-in auth, middleware, and websocket support. SolidStart 2 brings modern tooling and deploy targets like Netlify and Cloudflare.

dbdiagram.io lets you design database schemas by writing a simple DSL (DBML) and instantly see the entity-relationship diagram. It can import from or export to SQL for Postgres, MySQL, and other databases.

Mermaid lets you generate flowcharts, sequence diagrams, Gantt charts, and more from simple Markdown-inspired text syntax. It's widely supported in docs tools, GitHub, and note-taking apps, so diagrams stay easy to version and update.

Bumblebee is Perplexity's open-source, read-only scanner that checks npm, PyPI, MCP configs, and editor/browser extensions on developer machines for known supply-chain compromises. It's a zero-dependency Go tool that never executes install scripts, making it safe for routine audits or incident response.

Superdesign is an AI product design agent that generates UI mockups, components, and full design systems from a prompt on an infinite canvas. It also plugs into coding agents like Claude Code and Cursor so AI-generated UI looks considered instead of generic.

tldraw is an open-source SDK for building infinite canvas and whiteboard apps in React, with real-time collaboration and custom shapes built in. It powers whiteboard features in products like ClickUp and Padlet.

A lightweight feedback layer for live prototypes and staging sites: paste any URL and reviewers can click anywhere on the page to pin a comment, no signup or extension required.

GitHub's official CLI extension for stacked pull requests, letting you break large changes into a chain of small reviewable PRs that stay rebased and linked automatically.

A color system workspace for building harmonious, accessible color palettes with contrast checks, then syncing them to Figma variables or exporting as CSS and SCSS tokens.

Offline-first SQL sync library that gives every client a real local SQLite database synced through a server-side commit log, with optimistic writes, CRDT conflict resolution, and optional per-column encryption.

Hugeicons is a pixel-perfect icon library with 54,000+ icons across 10 styles (5,400+ free), with ready-made packages for React, Vue, Svelte, Angular, React Native, Flutter, and more.

Museboard is a fast, no-login moodboarding tool for dragging, dropping, and sharing visual inspiration instantly — handy for quick brand, shoot, or concept exploration.

TailGrids is an open-source React UI library built with Tailwind CSS, offering hundreds of production-ready components, blocks, and templates plus a matching Figma design system.

D2 is a modern diagram scripting language that turns plain text into clean architecture, sequence, and flow diagrams, with a live playground, autoformatter, and SVG/PNG/PDF export.

Manifest is an open-source, self-hostable backend-as-a-service that gives you a full backend—database, instant CRUD APIs, authentication, an admin panel, and file storage—by writing a single YAML file.

scriptc is a TypeScript-to-native compiler from Vercel Labs that produces small, self-contained executables without bundling Node or a JavaScript engine. Ordinary TypeScript is type-checked by tsc and compiled through LLVM to native machine code that starts in milliseconds.

SigNoz is an open-source observability platform built natively on OpenTelemetry, unifying logs, traces, and metrics in one application. It's a self-hostable alternative to Datadog and New Relic for application performance monitoring.

OpenPencil is an open-source, MIT-licensed design editor that opens .fig files natively and runs fully locally with no account required. It includes a built-in AI assistant, a programmable CLI, and peer-to-peer real-time collaboration.

Octane is a compiler-first successor to React that keeps hooks, Suspense, and actions while removing the virtual DOM and manual dependency arrays. It ports incrementally from existing React apps and ships bindings for TanStack, React Three Fiber, and more.