37signals is an American web software company that makes Basecamp (project management and team communication software) and HEY (a premium email service). The company was co-founded in 1999 by Jason Fried and is the creator of the Ruby on Rails framework.
37signals 是一家美国网络软件公司，开发了 Basecamp（项目管理和团队沟通软件）和 HEY（高端电子邮件服务）。公司由 Jason Fried 于 1999 年共同创立，也是 Ruby on Rails 框架的创建者。