Robbing the buried Refinements from ObjectSpace

Remind is a calendar program with a real expression language behind it: a Hebrew calendar, moon phases, sunrise and sunset, and date arithmetic that knows about weekdays, holidays and OMITted days. All of it is C, and all of it is reachable. remind-rb builds Remind's own sources into a shared li...

Complete class-based reVault lockbox and vault API

Control a Raspberry Pi's hardware from Ruby. GPIO goes through libgpiod v2 — the Linux GPIO character device (uAPI v2) — rather than the deprecated sysfs interface. PWM is either the hardware peripheral through sysfs or timed in Ruby on any line; I2C and SPI are ioctl calls on /dev/i2c-N and /dev...

rjq implements a practical jq 1.7.1-compatible subset with a command line and Ruby API.

Just the bare minimum of what's needed to create bi-directional chat bots using Roda as backend, sucker_punch and Clockwork for async and timed jobs.

Ergonomic ptrace bindings for building debuggers, tracers, and strace-like tools in Ruby.

A CI-friendly RSpec formatter that keeps test progress readable when examples write logs.

Polyglot AI coding agent with spatiotemporal composability, file buffering, and automated repair.

A Ruby game engine using OpenGL and GLFW

Ruby CaDes bindings

rush implements the POSIX.1-2017 Shell Command Language (IEEE Std 1003.1 §2) in pure Ruby, verified differentially against dash.

Fail-closed native process sandboxing for Ruby

SCS - the splitting conic solver - for Ruby

Builds seccomp cBPF filters and supervises Linux syscalls through SECCOMP_RET_USER_NOTIF without native extensions.

Ruby bindings for Shojiku, a document engine for invoices, receipts and slips. A YAML template plus JSON or YAML params in, a deterministic PDF out, with signing and verification over the result. The layout engine is a shared C library loaded through fiddle, so the same params produce the same by...

Official Sidemail.io Ruby library providing convenient access to the Sidemail API.

A DSL and command line tool to describe and run automated tests

An SQA-specific Fiddle binding directly against the installed TA-Lib C library, providing many technical analysis indicators for stock analysis. Part of the SQA (Simple Qualitative Analysis) ecosystem.

A Unix shell written in Ruby with a structured scripting language for shell programs.