ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints and ActiveRecord validations with better performance and consistency.

Fine grained concurrency for Ruby

Powerful DSL for building resource classes - efficient and flexible rendering.

Mittsu is a 3D Graphics Library for Ruby, based heavily on Three.js

OpenGL 3 renderer for Mittsu using GLFW for context creation

OpenC3 provides all the functionality needed to send commands to and receive data from one or more embedded systems referred to as "targets". Out of the box functionality includes: Telemetry Display, Telemetry Graphing, Operational and Test Scripting, Command Sending, Logging, and more.

A Ruby-like language for writing Ruby C extensions. Rubex keeps you happy even when writing C extensions.

Ruby implementation of Nanoid, secure URL-friendly unique ID generator

This is a simple and nice gem for SQL prettifying and formatting. Niceql splits, indent and colorize SQL query and PG errors if any. Could be used as a standalone gem without any dependencies. Seamless ActiveRecord integration via rails_sql_prettifier gem.

Allows the use of CockroachDB as a backend for ActiveRecord and Rails apps.

Qo is a querying library for Ruby pattern matching

Efficient, immutable, thread-safe collection classes for Ruby

LLRB is LLVM-based JIT compiler for Ruby. Note that this gem can be only installed to fork of CRuby.

Serialize to hypermedia. HAL, JSON-API, etc.

Tracking of retained objects in CRuby

Expeditor provides asynchronous execution and fault tolerance for microservices

A Ruby Language Server implementation

memoize methods invocation

Declaratively filter data via URL params, in any Rack app.

Stream out ZIP files from Ruby. Successor to zip_tricks.