Awesome GitHub RepositoriesSchema Migrations

Mantle is a framework for mapping raw data structures and JSON into typed model objects for Cocoa and Cocoa Touch applications. It serves as a data serialization engine and JSON data mapper that transforms dictionaries and arrays into structured model objects. The framework distinguishes itself through an Objective-C persistence layer that manages model disk archiving via keyed archivers. It includes specialized logic for model version management, allowing outdated archived data structures to be upgraded to match current schemas during deserialization. The project covers a broad range of dat

Dbmate is a framework-agnostic SQL database migration tool used for tracking, applying, and rolling back schema changes to ensure consistent environments. It functions as a database schema versioning tool that manages updates independently of any specific application framework by relying on raw SQL and connection URLs. The project distinguishes itself by offering a container-based approach to database administration, allowing schema updates to be executed via Docker to avoid local binary installations. It also supports embedding migration scripts directly into the compiled binary to eliminate

pgroll is a PostgreSQL migration framework designed for zero-downtime schema changes. It applies non-blocking DDL operations that avoid exclusive locks on tables, and uses trigger-based column backfill to populate new columns while keeping them synchronized with old ones. The framework wraps each migration step in a database transaction that can be atomically committed or rolled back, and creates a versioned view layer that exposes both old and new schema versions simultaneously to client applications. The tool distinguishes itself by managing multiple schema versions via views, enabling safe

pgloader is a command-line tool that automates the migration of data and schema from various source databases and file formats into PostgreSQL. It combines schema discovery, parallel data pipelines, and type casting into a single, declarative workflow, using PostgreSQL's COPY protocol for high-throughput bulk loading. The tool distinguishes itself by compiling a dedicated command language into concurrent reader-writer pipelines that handle schema introspection, data transformation, and error-resilient batch processing. It supports migrating entire databases from MySQL, MS SQL, SQLite, and Pos

LXD is a unified platform for managing both system containers and virtual machines through a single REST API and command-line interface. It provides a programmatic HTTP interface for controlling the full lifecycle of instances, enabling automation and integration with external tools. The system runs unprivileged containers with per-instance UID/GID mappings, seccomp filters, and AppArmor profiles for kernel-level isolation, while supporting multiple storage backends including directory, Btrfs, LVM, ZFS, Ceph, LINSTOR, and TrueNAS through a unified driver interface. The platform distinguishes

GraphQL-Ruby هو مكتبة Ruby لبناء واجهات برمجة تطبيقات GraphQL بمخطط مكتوب بقوة ومحرك تنفيذ استعلام مخصص. يوفر إطار عمل شاملاً لربط كائنات التطبيق بنظام أنواع رسمي، مما يتيح جلب البيانات المهيكلة من خلال أدوات حل (Resolvers) محددة. يتميز المشروع بآليات متقدمة للأداء والتسليم، بما في ذلك محمل بيانات (Data Loader) للتجميع والتخزين المؤقت لمنع أنماط استعلام N+1. يدعم تسليم البيانات عالي الأداء من خلال بث الاستجابة التزايدي، واستجابات الاستعلام المؤجلة، وجلب البيانات المتوازي باستخدام الألياف (Fibers). بالإضافة إلى ذلك، يوفر دعماً أصلياً لاتفاقيات Relay، بما في ذلك مساعدين متخصصين للاتصالات وتحديد الكائنات. تغطي المكتبة مساحة واسعة من إدارة واجهة برمجة التطبيقات، وتتميز بالتحكم الدقيق في الوصول، وإصدار المخطط للحفاظ على التوافق مع الإصدارات السابقة، والتحديثات في الوقت الفعلي عبر الاشتراكات. كما تتضمن أدوات إدارة حركة المرور لحماية موارد الخادم، مثل تحديد تعقيد الاستعلام وتحديد معدل الطلب. يتم دعم التطوير وقابلية المراقبة من خلال أدوات تحليل AST، وتتبع التنفيذ، وأدوات اختبار متخصصة للتحقق من التحميل المجمع.

Sequel is a relational database toolkit for Ruby that provides object-relational mapping, a fluent SQL query builder, and schema migration capabilities. It maps database tables to Ruby classes with support for associations, validations, lifecycle hooks, and eager loading, offering a comprehensive ORM layer for building data-centric applications. Sequel distinguishes itself through a plugin-based extension architecture that allows composable customization of models, databases, and datasets without relying on deep inheritance hierarchies. It includes a thread-safe connection pool with support f

Anchor is a framework for building, testing, and deploying Solana smart contracts. It provides a Rust domain-specific language (DSL) that uses macro‑based instruction dispatch and derive‑macro account validation to automate ownership checks, discriminator enforcement, and serialization before instruction execution. The framework also includes a CLI toolchain for scaffolding, compiling, and managing contracts across workspaces, a test harness that simulates program execution with account manipulation and compute unit benchmarking, and an IDL generator that emits a standardized JSON interface fr

react-mosaic is a React tiling window manager used to organize components into a resizable grid of windows and tabbed containers. It provides a layout system featuring resizable split panes and a draggable window orchestrator for arranging content into nested rows and columns. The system includes a serializable layout engine that converts window arrangements into JSON, enabling the persistence and restoration of workspace configurations across sessions. It supports a tabbed workspace interface where multiple panels are grouped into single areas with switchable headers. The project covers com

CoreStore is a type-safe Swift interface and persistence wrapper for managing local data storage and object graphs using the Core Data framework. It functions as an atomic persistence manager that executes data updates within transactional blocks to ensure changes are either fully saved or rolled back to prevent state corruption. The project provides a dedicated framework for performing sequential schema migrations through defined version chains and a type-safe object mapping system for importing external JSON data into persistent entities using Swift protocols. It includes a data binding la

Xboard is a containerized service orchestrator and management platform. It provides a Docker-based administrative dashboard for monitoring and controlling backend system services and configurations through a unified interface for operators and users. The platform utilizes a modular architecture and a dedicated plugin system, allowing for the registration of custom logic and the extension of core administrative functionality. It includes utilities for legacy data migration to transfer records and configurations from previous versions or alternative implementations into the current system sche

Data-migrate is a command-line utility designed for managing and executing sequential data transformations alongside standard database schema migrations. It functions as a framework for version control, allowing teams to track, roll back, and synchronize both structural database changes and data updates across multiple environments and deployment pipelines. The tool distinguishes itself by coordinating migrations across multiple database connections within a single application, ensuring data integrity in distributed architectures. It supports modular project structures by allowing migration s