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.

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

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

`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.

Qo is a querying library for Ruby pattern matching

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,...

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

Tracking of retained objects in CRuby

Expeditor provides asynchronous execution and fault tolerance for microservices

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.

A Ruby Language Server implementation

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

N+1 count query killer for ActiveRecord

Faster implementation of Haml template language.

Fast & easy Google polylines

https://github.com/tsukasaoishi/fresh_connection

Papercraft: component-based HTML templating for Ruby

A Fresh new GraphQL server for Rails applications, with a focus on natural and Ruby-like DSL

Rubyoshka: composable HTML templating for Ruby