ethers - "high-level" all-in-one umbrella quick starter gem for easy installation & usage for ethereum & co. (blockchain) contract services in ruby

etherscan-lite - light-weight machinery / helper for the Etherscan (blockchain) JSON HTTP API / web services (note: API key sign-up required)

ethlite - light-weight machinery to query / call ethereum (blockchain contract) services via json-rpc (incl. tuple support)

ethlite-contracts - ready-to-use (blockchain) contract services / function calls for ethereum & co.

ethname - light-weight crowd-sourced "off-chain" ethereum name to (contract) address service / helper (incl. punks v1,v2,v3,v4; phunks v1,v2, synth punks, punk blocks, nouns, nouns descriptor, synth nouns, etc.) - yes, you can! - add more names / contracts via git ;-)

Foreman plug-in for managing security compliance reports

Manage your app version entirely via git tags

Provides support for using versioning gems such as PaperTrail with Globalize.

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...

Masonry will rock your world!

merkletree - build your own crypto hash trees; named after Ralph Merkle who patented hash trees in 1979; grow your own money on trees

natspec - natural specification (comments) parser / machinery; document application binary interfaces (abis) for Ethereum & Co. (blockchain) contracts

rlp-lite - light-weight machinery to serialize / deserialze via rlp (recursive length prefix)

A set of Ruby classes supporting the ActiveRecord lifecycle for the Zoho CRM API.

lets the User model in most authentication frameworks know who is the current user

soldoc gem - command-line tool for solidity (contract) source code documentationn for Ethereum & Co.

solidity - (fuzzy) lexer & parser for (crypto) contracts for ethereum & co.

sportdb - sport.db Command Line Tool

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

A subset of the BCP47 spec implemented in ruby