abicoder - 'lite' application binary interface (abi) encoding / decoding machinery / helper (incl. nested arrays and/or tuples) for Ethereum & Co. (blockchain) contracts with zero-dependencies for easy (re)use

abiparser - application binary interface (abi) parser machinery / helper for Ethereum & Co. (blockchain) contracts

Looksee lets you examine the method lookup path of objects in ways not possible in plain ruby.

digest-lite - crypto(graphic) hash functions / classes - Digest::KeccakLite (512bit, 256bit, etc), Digest::SHA3Lite (512bit, 256bit, etc) in "100% pure" ruby "lite" scripts, that is, without any c-extensions and with zero-dependency

Graph is a type of hash that outputs in graphviz's dot format. It comes with a command-line interface that is easily pluggable. It ships with plugins to graph dependencies and status of installed rubygems, rake tasks, homebrew ports, mac ports, and freebsd ports, coloring leaf nodes blue, outdat...

Colored red/green output for Minitest

Looksee lets you examine the method lookup path of objects in ways not possible in plain ruby.

ZenTest provides 4 different tools: zentest, unit_diff, autotest, and multiruby. ZenTest scans your target and unit-test code and writes your missing code based on simple naming rules, enabling XP at a much quicker pace. ZenTest only works with Ruby and Test::Unit. Nobody uses this tool anymore ...

ZenTest provides 4 different tools: zentest, unit_diff, autotest, and multiruby. ZenTest scans your target and unit-test code and writes your missing code based on simple naming rules, enabling XP at a much quicker pace. ZenTest only works with Ruby and Test::Unit. Nobody uses this tool anymore ...

sportdb - sport.db Command Line Tool

abi2ruby - generate ready-to-use (blockchain) contract services / function calls for ethereum & co. via application binary inferfaces (abis)

abi2sol gem - command-line tool for application binary interface (abi) to solidity (contract) source code generation for Ethereum & Co.

abibase - command line tool / helper to manage application binary interfaces (abis)

abidoc - application binary interface (abi) documentation generator for Ethereum & Co. (blockchain) contracts

abidump gem - command-line tool to dump / pretty print or (re)format application binary interfaces (abi) for Ethereum & Co.

"high-level" all-in-one umbrella quick starter gem for easy installation & usage application binary interface (abi) code or doc(umentation) gen(eration) for ethereum & co.

alphabets - alphabet (a-z) helpers incl. unaccent, downcase, variants, and more

base32-alphabets - base32 (2^5) encoding / decoding in 5-bit groups with kai, crockford or electrologica notation / alphabet

base58-alphabets - base58 encoding / decoding numbers, hex or binary strings (incl. leading zeros) with bitcoin or flickr notation / alphabet

blockchain-lite - build your own blockchain with crypto hashes - revolutionize the world with blockchains, blockchains, blockchains one block at a time