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 ;-)

fbup - (auto-)update machinery for footbal match schedules & more in football.txt; incl. (auto-sync & commit) support for github openfootball repos & more

footballdata-api - get football data via Daniel Freitag's football-data.org api v4

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

Foreman plugin that process & upload data to cloud based host inventory

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.

Ruby bindings for LZ4. LZ4 is a very fast lossless compression algorithm.

A ruby library for working with Machine Readable Cataloging

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

autotest is a continous testing facility meant to be used during development. As soon as you save a file, autotest will run the corresponding dependent tests. minitest-autotest is the latest incarnation of the venerable and wise autotest. This time, it talks to minitest via minitest-server. As a...

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

This implementation conforms to RFC 2898, and has been tested using the test vectors in Appendix B of RFC 3962. Note, however, that while those specifications use HMAC-SHA-1, this implementation defaults to HMAC-SHA-256. (SHA-256 provides a longer bit length. In addition, NIST has stated that SHA...

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

score-formats - read / parse and print sports match scores (incl. half time, full time, extra time, penalties and more)

season-formats - read / parse and print seasons (using an academic or calendar year