Base32 Ruby C Extension

backport_dig is the backport of Hash#dig, Array#dig and OpenStruct#dig in Ruby 2.3 to older Ruby versions.

backport_yield_self is the backport of Kernel#yield_self in Ruby 2.5 to older Ruby versions.

Conversion integers from/to balanced ternary and decimal numeral system.

Ruby bindings for ballistics-engine - A high-performance Rust-based ballistics calculations library with 4-DOF trajectory modeling, wind deflection, atmospheric effects, and more.

Ballistics-ng is based (currently) on C code derived from the GNU Ballistics project; this gem is originally based on the ballistics gem, which was abandoned in 2013. Very little code remains from that project.

Pdf417 support for Barby.

Barcode generator for rails at heroku

bcrypt() is a sophisticated and secure hash algorithm designed by The OpenBSD project for hashing passwords. bcrypt-ruby provides a simple, humane wrapper for safely handling passwords.

This is a Ruby interface to Berkeley DB 1.85 and 1.86.

Native implementation of Benchmark with much better performance.

Bencode encoder/decoder

A fast Gherkin lexer/parser based on the Ragel State Machine Compiler.

Bestliner is a Ruby wrapper around bestline, a C library for interactive pseudoteletypewriter command sessions using ANSI Standard X3.64 control sequences. Bestliner supports Emacs-style editing shortcuts, a searchable history, completion and hint support via callbacks and UTF-8 editing.

It provides a math module for multiple-precision arithmetic.

This gem lets you access variables from a calling method.

Gadgets for bioinformatics

A fast FASTA/FASTQ parser based on kseq.h by Heng Li

A fast C-based Bitset. It supports the standard set operations as well as operations you may expect on bit arrays. (popcount, for instance)

Fast (native) bitwise operations for Ruby, in addition to the ones provided by the standard library