Plataformatec was a software consultancy company known for its expertise in Ruby on Rails and Elixir development. It was instrumental in the development of the Elixir programming language, with José Valim, one of its co-founders, being the creator of Elixir. Plataformatec provided services such as custom software development, consulting, and training to help businesses optimize their technology solutions. The website you mentioned, ebertapp.io, was associated with the company's tool for automated code analysis, focusing on improving code quality and development processes. As of 2020, Plataformatec was acquired by Nubank, a digital bank based in Brazil.