broker - Originally, a broker or brokour bought wine cheaply in quantity and sold it at a profit; broker came to mean any retailer who did this, or a middleman/agent.
Apache Subversion (SVN) Apache Subversion (SVN) is a free and open-source software developed by the Apache Software Foundation that acts as a control system for tracking changes to files, folders and directories. It is used to assist in recovering data and recording the history of changes made over time.
A VPN (virtual private network) is software that connects your computer to another computer (a VPN server) somewhere else in the world. The connection between your computer and the VPN server is encrypted. That is what a VPN is, but a pay-for VPN service offered by a third party is slightly different.