This is a Captcha gem for ruby. It drawing captcha image with C code so it no dependencies.

Native Ruby binding and Rack middleware for libinjection. Report-only by default: detects SQLi/XSS-like payloads, emits structured attack signals, and can be combined with Rack::Attack. Ships with a pinned vendoring workflow for libinjection v4.0.0.

A Rack middleware that provides an endpoint to start the New Relic agent.

Rack middleware for end-to-end security through TCTP

Ractor::LVar

A lock-free MPMC queue that can be shared across Ruby Ractors — the only Ractor-safe bounded queue option since Ruby's built-in Queue uses Mutex and cannot cross Ractor boundaries.

Provides an efficient uint8_t array

Call malloc_trim(0) on GC Impact: - 99th percentile performance is slightly impacted. - CPU is very slightly higher Inspired by Philipp Tessenow's malloc_trim gem

Ruby bindings to rapidyaml (ryml), a C++ YAML library. Exposes a Psych-compatible API so it can be used as a drop-in replacement.

Ruby bindings to rapidyaml (ryml), a C++ YAML library. Exposes a Psych-compatible API so it can be used as a drop-in replacement.

Ruby native extension for the apngasm APNG Assembler.

same as above

This gem provides a Ruby extension to the clustering routines in the C Clustering Library (which also backs e.g. Python's pycluster and Perl's Algorithm::Cluster).

Add an import method to your Ruby VM

A KDTree Library

Lightweight native bindings to the libgpod library.

Build SRT (Secure Reliable Transport) servers and clients with Ruby

This library allows you to create and interact with TUN/TAP devices using Ruby. See the README for a detailed description of how to use it.

libuv binding for Ruby

Fast RC6 decrypt/encrypt using C extension