Operator YAPO is a portable version of the Opera

Opera (web browser)

Opera is a web browser and Internet suite developed by Opera Software with over 200 million users worldwide. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading files via BitTorrent,...

 web browser. It can be installed on portable data storage devices like pendrives, USB sticks and hard drives.

History

Operator YAPO used to be known as OperaTor, a software bundle that consisted of Opera

Opera (web browser)

Opera is a web browser and Internet suite developed by Opera Software with over 200 million users worldwide. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading files via BitTorrent,...

, Tor

Tor (anonymity network)

Tor is a system intended to enable online anonymity. Tor client software routes Internet traffic through a worldwide volunteer network of servers in order to conceal a user's location or usage from someone conducting network surveillance or traffic analysis...

 and Polipo

Polipo

Polipo is a fast and lightweight, forwarding and caching proxy server and computer software daemon.By virtue of being a compliant HTTP 1.1 proxy, Polipo has all the uses of traditional Web proxies. It features HTTP 1.1, IPv4 & IPv6, traffic filtering and privacy-enhancement. Polipo supports HTTP...

. Its aim was to provide a way to surf the web anonymously

Anonymity

Anonymity is derived from the Greek word ἀνωνυμία, anonymia, meaning "without a name" or "namelessness". In colloquial use, anonymity typically refers to the state of an individual's personal identity, or personally identifiable information, being publicly unknown.There are many reasons why a...

.

OperaTor only anonymized the following two protocols: HTTP

Hypertext Transfer Protocol

The Hypertext Transfer Protocol is a networking protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web....

 and HTTPS. Other protocols like BitTorrent or the complete part of Opera Mail would not be anonymized.

Following the projects new name change, OperaTor no longer ships with Tor. Older versions of OperaTor are still available however, but are no longer supported.