Keycard provides authentication support and user/request information, especially in Rails applications.

faraday-based http client for interacting with Google CloudPrint & other

Kirei is a Ruby micro/REST-framework for building scalable and performant microservices. It is built from the ground up to be clean and easy to use. It is a Rack app, and uses Sorbet for typing, Sequel as an ORM, and Zeitwerk for autoloading. It strives to have zero magic and to be as explicit as possible.

Kitchen-Pulumi makes it easy to add integration tests to Pulumi-based infrastructure projects.

OpenAPI client for Kleister

Track events, identify users, and group them with organizations using Klime analytics.

Koch automates machine setup by providing a library of helper functions.

Provides a level-filtered logger wrapper and shared logger/level resolution logic.

Self-hostable HTTP API that exposes Kotoshu's check / suggest / detect over JSON. Designed as the deployment surface for non-Ruby SDKs (Python, JS, Go).

A Easy way to project your MMO Server.

Kruby is a community-maintained Ruby client generated from Kubernetes OpenAPI.

Modular task runner and job manager. Supports daemons and threads.

Pure-Ruby client for KSeF API 2.0 (Krajowy System e-Faktur). Provides low-level 1:1 endpoint access plus high-level coordinators for authentication (XAdES), interactive and batch invoice sessions, invoice download/export, incremental sync, KSeF certificates, tokens, permissions and offline QR codes. Rails integration is loaded conditionally.

KubesealR is a pure-Ruby implementation of Bitnami's Sealed-Secrets CLI client "kubeseal." KubesealR also embeds a plugin for KustomizeR, allowing KustomizeR to seal (generated or provided) secrets as a resource-config transformation pass.

A simple web crawler for ruby

ActiveRecord adapter for kudzu crawler

Structured logging, CloudWatch metrics (EMF), error handling, and alerting for AWS Lambda functions. Implement serverless best practices with minimal overhead.

Extract structured information from text with source grounding, deterministic serialization, and HTML visualization.

A Ruby library for the Latitude.sh REST API. Covers servers, projects, virtual machines, Kubernetes clusters, storage, networking, firewalls, elastic IPs, SSH keys, teams, and more. Includes a client for the on-instance metadata service.

LaunchDarkly SDK AI Configs integration for the Ruby server side SDK