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Link your PayMaya and PayPal accounts now! These include reduced memory usage, faster insert and retrieval of content, significant improvements to the FProxy web interface used for browsing freesites, and a large number of smaller bugfixes, performance enhancements, and usability improvements.
As of build , released on 30 July , features that have been written include significant security improvements against both attackers acting on the network and physical seizure of the computer running the node.
As of build , released on 11 July , the Freenet core stopped using the db4o database and laid the foundation for an efficient interface to the Web of Trust plugin which provides spam resistance.
Freenet has always been free software, but until it required users to install Java. Freenet is different from most other peer-to-peer applications, both in how users interact with it and in the security it offers.
The simplest is via FProxy, which is integrated with the node software and provides a web interface to content on the network.
Using FProxy, a user can browse freesites websites that use normal HTML and related tools, but whose content is stored within Freenet rather than on a traditional web server.
The web interface is also used for most configuration and node management tasks. Through the use of separate applications or plugins loaded into the node software, users can interact with the network in other ways, such as forums similar to web forums or Usenet or interfaces more similar to traditional P2P "filesharing" interfaces.
While Freenet provides an HTTP interface for browsing freesites, it is not a proxy for the World Wide Web ; Freenet can be used to access only the content that has been previously inserted into the Freenet network.
Because of that, Freenet acts differently at certain points that are directly or indirectly related to the anonymity part. Freenet attempts to protect the anonymity of both people inserting data into the network uploading and those retrieving data from the network downloading.
Unlike file sharing systems, there is no need for the uploader to remain on the network after uploading a file or group of files.
Instead, during the upload process, the files are broken into chunks and stored on a variety of other computers on the network. When downloading, those chunks are found and reassembled.
Every node on the Freenet network contributes storage space to hold files and bandwidth that it uses to route requests from its peers. As a direct result of the anonymity requirements, the node requesting content does not normally connect directly to the node that has it; instead, the request is routed across several intermediaries, none of which know which node made the request or which one had it.
As a result, the total bandwidth required by the network to transfer a file is higher than in other systems, which can result in slower transfers, especially for infrequently accessed content.
With Opennet, users connect to arbitrary other users. With Darknet, users connect only to "friends" with whom they previously exchanged public keys , named node-references.
Both modes can be used together. Freenet attempts to remove the possibility of any group imposing its beliefs or values on any data.
Although many states censor communications to different extents, they all share one commonality in that a body must decide what information to censor and what information to allow.
What may be acceptable to one group of people may be considered offensive or even dangerous to another. In essence, the purpose of Freenet is to ensure that no one is allowed to decide what is acceptable.
It was reported that in Freenet China had several thousand dedicated users. The Freenet file sharing network stores documents and allows them to be retrieved later by an associated key, as is now possible with protocols such as HTTP.
The network is designed to be highly survivable. The system has no central servers and is not subject to the control of any one individual or organization, including the designers of Freenet.
Information stored on Freenet is distributed around the network and stored on several different nodes. Encryption of data and relaying of requests makes it difficult to determine who inserted content into Freenet, who requested that content, or where the content was stored.
This protects the anonymity of participants, and also makes it very difficult to censor specific content. Content is stored encrypted, making it difficult for even the operator of a node to determine what is stored on that node.
This provides plausible deniability , and in combination with the request relaying means that safe harbor laws that protect service providers may also protect Freenet node operators.
When asked about the topic, Freenet developers defer to the EFF discussion which says that not being able to filter anything is a safe choice.
Unlike other P2P networks , Freenet not only transmits data between nodes but actually stores them, working as a huge distributed cache.
To achieve this, each node allocates some amount of disk space to store data; this is configurable by the node operator, but is typically several GB or more.
Files on Freenet are typically split into multiple small blocks, with duplicate blocks created to provide redundancy. Each block is handled independently, meaning that a single file may have parts stored on many different nodes.
Two advantages of this design are high reliability and anonymity. Information remains available even if the publisher node goes offline, and is anonymously spread over many hosting nodes as encrypted blocks, not entire files.
The key disadvantage of the storage method is that no one node is responsible for any chunk of data. If a piece of data is not retrieved for some time and a node keeps getting new data, it will drop the old data sometime when its allocated disk space is fully used.
While users can insert data into the network, there is no way to delete data. Typically, a host computer on the network runs the software that acts as a node, and it connects to other hosts running that same software to form a large distributed, variable-size network of peer nodes.
Some nodes are end user nodes, from which documents are requested and presented to human users. Other nodes serve only to route data.
All nodes communicate with each other identically — there are no dedicated "clients" or "servers". It is not possible for a node to rate another node except by its capacity to insert and fetch data associated with a key.
This is unlike most other P2P networks where node administrators can employ a ratio system, where users have to share a certain amount of content before they can download.
Freenet may also be considered a small world network. The Freenet protocol is intended to be used on a network of complex topology, such as the Internet Internet Protocol.
Each node knows only about some number of other nodes that it can reach directly its conceptual "neighbors" , but any node can be a neighbor to any other; no hierarchy or other structure is intended.
Each message is routed through the network by passing from neighbor to neighbor until it reaches its destination.
As each node passes a message to a neighbor, it does not know whether the neighbor will forward the message to another node, or is the final destination or original source of the message.
This is intended to protect the anonymity of users and publishers. Each node maintains a data store containing documents associated with keys, and a routing table associating nodes with records of their performance in retrieving different keys.
The Freenet protocol uses a key-based routing protocol, similar to distributed hash tables. The routing algorithm changed significantly in version 0.
The source code is on GitHub. Download and run the installer gpg signature ; keyring. Download Freenet for Windows. It will automatically install Freenet and other required components for you.
Download Freenet for OSX. Try the Java Web Start installer. Java version 7 or higher is required, and version 8 or higher is strongly recommended.
You should keep Java up to date to avoid problems and for better performance. Alternatively, downloading the installer gpg signature ; keyring and then clicking on the file may work on some systems, but if there are problems we recommend the above command lines.
If wget is not installed, it can be installed with a package manager, such as sudo apt-get install wget on Debian or Ubuntu.
If you are a developer and would like to join us and help it would be much appreciated! If you have a working Freenet installation directory that you have mirrored from one Unix machine to another e.
If you try to run two instances with the same identity at the same time , both proxy demons will become confused and upset. Please try the step by step guide to setting up Freenet and various Freenet apps, especially if installing on OS X.