bookshop is an agile book publishing framework for building pdf and (e)books using HTML5, CSS, and JavaScript. The framework is optimized to help publishers, editors, and authors quickly ramp-up, allowing them to jump in and develop their html-to-pdf/(e)boo...

centralbank - print your own money / cryptocurrency; run your own federated central bank nodes on the blockchain peer-to-peer over HTTP; revolutionize the world one block at a time

This is a Monkey Test Tool using UIAutomation.

crypto-lite - cryptographic secure hash functions and public key signature algorithms made easy

cryptoquotes - incl. oracle tool to get a random crypto quote of the day on the command line - on the new new 'in math we trust' ponzi economics - on get-rich-quick blockchain secrets - on bitcon maximalists, scammers, morons, clowns, shills & bagHODLers and more

date-formats - read / parse and print dates (and times) from around the world

DNS Service Discovery (aka Bonjour, MDNS) API for Ruby. Implements browsing, resolving, registration and domain enumeration. Supports avahi's DNSSD compatibility layer for avahi 0.6.25 or newer.

elliptic - elliptic curve digital signature algorithm (ECDSA) cryptography with OpenSSL made easy (incl. secp256k1 curve)

elliptic-lite - elliptic curve cryptography from scratch / zero - start with finite fields, add elliptic curve points and point addition and scalar multiplications, add the elliptic curve digital signature algorithm (ECDSA) using the secp256k1 curve / group to sign and verify messages and more

enums - safe enumeration types - a set of symbolic keys bound to unique integer numbers (incl. bit flags option)

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 ;-)

football-sources - get football match data (leagues, cups & more) via web pages or web api (json) calls

A simple way to add honeypot captchas to Rails forms

JSON-RPC 2.0 client and server

KPeg is a simple PEG library for Ruby. It provides an API as well as native grammar to build the grammar. KPeg strives to provide a simple, powerful API without being too exotic. KPeg supports direct left recursion of rules via the {OMeta memoization}[http://www.vpri.org/pdf/tr2008003_experimen...

This gem automatically handles creation, renewal, and applying SSL certificates from LetsEncrypt to your Heroku account.