The Stellar Ruby SDK by Stellar offers a financial application development platform designed for Ruby applications. It requires libsodium, installable via brew install libsodium on OS X.
Please note: the library is very early and incomplete. The examples provided do not currently work.
On April 5, 2012, the Jumpstart Our Business Startups Act, or JOBS Act, became the law of the land in the United States. The JOBS Act, which contains significant reforms to long-standing rules around the sale of securities, is expected by many to completely reshape the way startups raise capital.
There are so many jobs listed for developers familiar with the Paypal API on GetAFreelancer that the site has a category dedicated to it. And that's not all--there are over 300 API-related listings on the site, which connects freelancers with people who need programmers and designers.