You can download OneWay 0.5.5 for Mac from our application library for free. The actual developer of this free Mac application is goto11. The application lies within Internet & Network Tools, more precisely Download Managers.
From the developer:
OneWay is a contextual FTP, SFTP, and Amazon S3 uploader for Mac OS X.
You may want to check out more Mac applications, such as OneWaySync, which might be similar to OneWay.