Base32 Ruby C Extension

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.

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.

Gadgets for bioinformatics

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

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

Utility methods for manipulating bits within Integer.

这是一个验证码生成器。基于rucaptcha。本人只是将他的源码拉下来。为我的网站进行适配。因为我不使用sesion.id

A bluetooth library for ruby

Binding of caller: obtain a caller's binding.

BoneKit is a hardware interface toolkit for the beaglebone. It enables access from ruby to hardware features such as: Digital I/O, Interrupts, ADC, PWM, I2C and SPI.