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

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.

Memery is a gem for memoization.

Qo is a querying library for Ruby pattern matching

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

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

`css_inline` inlines CSS into HTML documents, using components from Mozilla's Servo project. This process is essential for sending HTML emails as you need to use "style" attributes instead of "style" tags.

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

Tracking of retained objects in CRuby

Expeditor provides asynchronous execution and fault tolerance for microservices

A Ruby Language Server implementation

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

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

N+1 count query killer for ActiveRecord

Active Remote provides Active Record-like object-relational mapping over RPC. It was written for use with Google Protocol Buffers, but could be extended to use any RPC data format.

Faster implementation of Haml template language.

https://github.com/tsukasaoishi/fresh_connection

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,...

Papercraft: component-based HTML templating for Ruby

Rubyoshka: composable HTML templating for Ruby