Create bitcoin payment requests easily

Finds maximum matchings in weighted bipartite graphs

bipbop is the best service for consulting brazilian data. See http://bipbop.com.br/ for more information.

Importer for BIPM CGPM and CIPM content

This implementation conforms to BIP-39 and PBKDF2 RFC 2898, and has been tested using the test vectors in https://github.com/trezor/python-mnemonic and Appendix B of RFC 3962.

This implementation conforms to BIP-39/BIP39 and PBKDF2 RFC 2898, and has been tested using the test vectors in https://github.com/trezor/python-mnemonic and Appendix B of RFC 3962. This is a fork of original bip_mnemonic with updates.

The ruby implementation of bip-schnorr.

Biran is the guy that will help you generate config files for your rail app.

A Ruby Web API Framework for CollectionJSON (and maybe more in the future).

TwitterServer-based Rack handler

Send emails with FatBird

Biro is a library that standardizes multi-provider brazilian credit bureaus.

birt report

Count active record instantiations and report them to the log

Getting birthdate from polish pesel number.

Minimal birth date validator to check if the user has the right age to sign in the website.

Calculate days left yo your birthday

This is a simple Ruby gem for parsing and validating Birth Numbers, the national identification number used in Norway. It has been extracted from one of our internal projects for reuse, and released as open-source as it might be useful for others as well.

takes in a birth year and returns the top album and artist for that year

Simple DSL to build HTML documents