Calypso has been discontinued. Similar apps include Tor, which is free and open source. Other options are Transmission, Proton VPN, Mullvad VPN and Deluge. VPN Services like Calypso are a crowded field, with more than 100 alternatives for Windows, Mac, Linux, Android and iPhone.
Source for BiglyBT, a feature filled, open source, ad-free, bittorrent client. BiglyBT is forked from the original project and is being maintained by two of the original developers as well as members of the community.
United States
SOCKS5 proxy offering high-speed asynchronous networking, flexible encryption, and easy deployment. Optimized for cross-platform use on PC, Mac, mobile, and routers. Open-source design supports secure, uncensored, and private Internet access worldwide.
China
Successor to the classic, iconic eDonkey2000 peer-to-peer file sharing application that helped popularize P2P file sharing.
Germany
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Protects internet traffic through a decentralized mixnet, hides metadata and communication patterns, enables anonymous transactions using re-randomizable credentials, and provides zero-knowledge proof access for privacy-focused messaging, blockchain, or application needs.
Switzerland
Journalists need safe access to information to research issues, communicate with sources, and report the news. Outline lets news organizations easily provide their network safer access to the open internet.
United States
Riseup offers Personal VPN service for censorship circumvention, location anonymization and traffic encryption. To make this possible, it sends all your internet traffic through an encrypted connection to riseup.net, where it then goes out onto the public internet.
United States
BitTorrent is a peer-to-peer program developed by Bram Cohen and BitTorrent, Inc. used for uploading and downloading files via the BitTorrent protocol. BitTorrent was the first client written for the protocol.
United States
I2P (Invisible Internet Protocol) is a universal anonymous network layer. All communications over I2P are anonymous and end-to-end encrypted, participants don't reveal their real IP addresses.
Switzerland
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CyberGhost VPN encrypts your internet traffic and bypasses geo-restrictions. It supports multiple devices with a strict no-logs policy and over 7,000 servers worldwide. Features include an automatic kill switch, streaming optimized servers, ad and malware blocking, and customizable security settings.
RomaniaEU
A proof-of-concept scalable IPv6 meshnet, featuring end-to-end encryption, a unique spanning tree routing algorithm and aiming to implement novel backpressure routing metrics.
Vuze (formerly Azureus) is a free BitTorrent client used to transfer files via the BitTorrent protocol. Vuze is written in Java, and uses the Azureus Engine. In addition to bittorrenting, Vuze allows users to view, publish and share original DVD and HD quality video content.
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