Awesome GitHub RepositoriesProperty-Based Filtering

class-transformer is a TypeScript library that converts plain JavaScript objects into typed class instances and back, using decorators to define transformation rules. It serves as a decorator-based object transformer, JSON deserialization library, and property transformation framework, enabling type-safe serialization and deserialization of class instances. The library distinguishes itself through comprehensive property filtering and mapping capabilities. It supports excluding properties by default, by prefix, by operation (serialization or deserialization), or by explicit marking, as well as

Riverpod is a reactive state management framework for Dart that manages application state through providers which automatically track dependencies and rebuild dependents when values change. It functions as an asynchronous data caching library, caching results of async operations and exposing loading, error, and data states to widgets without manual future handling. The framework includes a provider composition system that combines multiple providers into derived values that recompute automatically when any dependency changes, along with code generation for state providers that reduces boilerpl

This repository is a collection of practical code snippets and implementation patterns for Flutter and Dart. It serves as a comprehensive guide and reference for asynchronous programming, state management patterns, and UI component design. The project provides advanced language reference material covering generics, reflection, factory constructors, and null-aware operators. It also includes specific utilities for manipulating Dart collections, such as helper methods for transforming and filtering maps, lists, and iterables. The coverage extends to high-level capabilities including asynchrono

TagStudio is a database-driven digital asset manager designed to organize and categorize files without altering their physical location on disk. It utilizes a non-destructive metadata store to attach tags and custom fields to files via a separate database rather than modifying original file headers. The project is distinguished by a hierarchical tagging system that supports parent-child relationships and custom color palettes for visual organization. It includes a multi-format media previewer that generates thumbnails and playback for images, videos, audio, documents, and archives, as well as

TypeSpec is a language for defining cloud API shapes and generating OpenAPI, JSON Schema, and client/server code from a single source of truth. It functions as a protocol-agnostic API designer that models REST, gRPC, and other API protocols using a unified, extensible syntax, with a decorator-based metadata system for attaching metadata, validation rules, and lifecycle visibility to API models and operations. The compiler produces OpenAPI 3.0 specifications and other artifacts, and the tool supports declaring API versions and tracking changes to models, properties, and operations across releas

Pebble is an embedded key-value storage engine written in Go, designed as a library that provides durable, write-optimized data persistence directly within applications. It organizes data using a log-structured merge-tree (LSM-tree) structure, where writes are first buffered in an in-memory skiplist memtable and persisted to a write-ahead log before being flushed to block-based SSTable files on disk. The engine supports atomic batch commits, configurable write synchronization, and automatic background compaction that merges and rewrites sorted runs to reclaim space and maintain read performanc

Provider 是一个用于 Flutter 的状态管理和依赖注入框架。它通过一套管理对象和服务的注入系统，简化了组件树（widget tree）之间的数据共享，并具备自动化的生命周期管理和资源释放功能。 该框架的独特之处在于其响应式状态容器，能够将来自流（streams）和期值（futures）的异步数据直接桥接到组件树中。它支持状态派生，允许根据从多个上游 Provider 观察到的值来构建和同步新对象。为了保持性能，它提供了选择性重建过滤和部分状态订阅功能，以限制用户界面的更新范围。 该库涵盖了广泛的功能领域，包括用于解耦具体实现与抽象接口的界面映射，以及用于扁平化多个依赖定义并减少嵌套的 Provider 组合。它还包含用于可选依赖解析的工具，以及在开发热重载周期中保持应用状态的功能。

ObjectBox Java 是一个用于 Java 和 Android 的嵌入式 NoSQL 对象数据库，无需关系映射即可直接存储数据对象。它作为一个原生进程存储引擎，允许应用将普通 Java 或 Kotlin 类作为实体持久化。 该项目以其设备端向量数据库功能脱颖而出，利用 HNSW 索引执行近似最近邻搜索和语义相似度查询。它还包括一个本地托管的基于 Web 的浏览器，用于可视化数据对象、模式和依赖关系图。 该数据库涵盖了广泛的数据管理功能，包括符合 ACID 的原子事务、用于实时观察的响应式数据流以及跨平台数据同步。其存储范围支持具有延迟加载、基于属性的过滤的对象关系映射，以及在内存中初始化数据存储以进行缓存或自动化测试的能力。

GAM is a command-line tool for administering Google Workspace and Cloud Identity. It translates command-line arguments into structured API calls, enabling administrators to manage users, groups, organizational units, and domain settings across a Google Workspace environment. The tool handles authentication through OAuth2 flows, service accounts, and workload identity federation, and supports multi-tenant configurations for managing multiple domains or cloud projects from a single installation. GAM distinguishes itself through its batch processing and automation capabilities. It can process la

Vizro is a low-code Python framework for building production-ready data visualization applications. It functions as a UI orchestrator that allows users to define multi-page analytical dashboards through structured configurations in Python, YAML, or JSON, reducing the need for extensive frontend engineering. The project distinguishes itself through generative AI integration, utilizing a model context protocol server to translate natural language descriptions into validated dashboard configurations, charts, and layouts. It also features a decoupled data cataloging system that separates data sou

GPAC is an open-source multimedia framework built around a pluggable filter graph pipeline, where modular processing units called filters connect into a directed graph to handle media workflows. At its core, the framework centers all media packaging and manipulation on the ISO Base Media File Format (ISOBMFF), with specialized tools for reading, writing, fragmenting, and encrypting MP4 and related containers. It also provides a declarative scene graph composition system for describing interactive multimedia scenes using MPEG-4 BIFS, X3D, SVG, or VRML syntax, alongside a hardware-accelerated re