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Every dot is a micro-topic, colored by subject; height is age; each thread is a prerequisite (full-quality video). com/curriculum — tap any concept to trace everything a learner must master before it.

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Free, simple, and intuitive online database diagram editor and SQL generator.

GEO-first SEO skill for Claude Code. Comprehensive AI search optimization for any website — citability scoring, AI crawler analysis, brand authority, schema markup, platform-specific optimization, and PDF reports.

SQL databases in Python, designed for simplicity, compatibility, and robustness.

Effect is a library for building robust, maintainable, type-safe, and production grade applications in TypeScript. It helps you handle the hard problems at scale: typed errors, dependency injection, structured concurrency, scheduling, tracing, and unified schema validation.

TypeScript-first schema validation with static type inference

A database migration tool. Supports SQL migrations and Go functions.

Define your contract with Schema, supply infrastructure with Layers, and call auth alongside your other Effects. The same contract connects your server to an Effect HttpClient service and Effect Atom queries and mutations.

SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL.

An efficient server implies a lower cost of the infrastructure, better responsiveness under load, and happy users.

FlatBuffers is a cross platform serialization library architected for maximum memory efficiency. It allows you to directly access serialized data without parsing/unpacking it first, while still having great forwards/backwards compatibility.

A general overview of GraphQL is available in the README for the Specification for GraphQL. That overview describes a simple set of GraphQL examples that exist as tests in this repository.

The most powerful data validation library for JS

Due to lack of ability to find an invested maintainer and inability to find time to do routine maintenance and community building, this package is no longer maintained. Please see the discussion 🤝 Maintainer help wanted for more information.

Your continuing support is very important - the funds will be used to develop and maintain Ajv once the next major version is released.

Cap'n Proto serialization/RPC system - core tools and C++ library

In React, the whole tree rendering performance problem of the form is very obvious in the controlled mode. Especially for the scene of data linkage, it is easy to cause the page to be stuck.

js and browsers. proto schemas without requiring protoc, and supports runtime reflection as well as specialized code generation with matching TypeScript declarations.

Our managed platform runs improved extraction with higher accuracy than the open weights, plus per-field verification, citations, and confidence scores.

MongoDB object modeling designed to work in an asynchronous environment.

A simple React component capable of using JSON Schema to declaratively build and customize web forms.

GraphQL is a query language and execution engine tied to any backend service.

js and by moving from traditional resolvers to Grafast "plan resolvers" you'll be able to leverage the declarative nature of GraphQL requests to execute your business logic in the most efficient way, leading to reduced server load and happier customers.

A configuration as code language with rich validation and tooling.

A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

This project is open-source and accepts contributions. See the contribution guide for more information.

libfyaml is a high-performance YAML 1.2 and JSON parser/emitter with zero-copy operation, full document and event APIs, and the two major 1.0 features: