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Tribler

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What Tribler is

Tribler is a free, open-source peer-to-peer BitTorrent client for searching, downloading, and sharing files on Windows, macOS, and Linux. Its content search does not depend on a central server or website, while the client remains compatible with most BitTorrent clients. Features include magnet links, selective downloads, video-on-demand, channels, DHT support, a browser interface, and search results in under a second. Tribler routes torrent downloads through its own Tor-like onion-routing network rather than the normal Tor network. The project cautions that this anonymity is immature and does not protect users against government agencies. Hidden seeding is experimental, and NAT traversal limits can significantly reduce speeds. Tribler runs in a browser by default and offers a REST API. Installers cover Windows, macOS 12 or later, and Ubuntu Linux, including ARM64 Linux. It is a Delft University of Technology research project created in April 2005, with code mostly LGPL and partly MIT licensed.

Who it suits

Tribler suits users seeking a free, open-source torrent client with decentralized search and cross-platform support. It may also interest users who want browser access, a REST API, and experimental onion routing.

What it does well

Free and open source
Decentralized content search
Compatible with most BitTorrent clients
Magnet links and selective downloads
Windows, macOS, and Linux installers

What to know first

Anonymity does not protect against government agencies
Hidden seeding is experimental
NAT traversal can reduce speeds
Peers or addresses cannot be blocked

Limits

Hidden seeding is experimental and can be slowed by NAT traversal limitations. Tribler also does not let users block peers or addresses.

Plans

Plan	Billed and limits	Price
Tribler	Open-source, non-profit torrent client · Windows, macOS, Ubuntu Linux	Free

As tribler.org lists them, read 8 Oct 2026. The maker's own page has the final word.

Getting started

Open the Tribler website
Download the installer for Windows, macOS 12 or later, or Ubuntu Linux
Choose the ARM64 Ubuntu package when appropriate
Install and launch Tribler
Use its browser interface or REST API

Verdict

Tribler combines decentralized search with familiar BitTorrent functions and a dedicated onion-routing network. Its own warnings about immature anonymity, experimental hidden seeding, and speed limits are central to choosing it.

Questions

How much does Tribler cost?

Tribler is free, with a listed price of $0.

Which operating systems does Tribler support?

Supported platforms are Windows, macOS, and Linux. Installers are provided for Windows, macOS 12 or later, and Ubuntu Linux, including an ARM64 Linux package.

Is Tribler open source?

Yes. Tribler describes itself as an open-source research project whose code is mostly LGPL licensed and partly MIT licensed.

Does Tribler use regular Tor?

No. Torrent downloads use Tribler's dedicated Tor-like onion-routing network rather than the normal Tor network.

Can Tribler block peers or addresses?

The FAQ says users cannot block peers or addresses within Tribler.

Facts from Tribler's own pages

BitTorrent compatibility: Tribler adds features to BitTorrent while remaining compatible with most BitTorrent clients. · tribler.org, 8 Oct 2026
Browser interface and API: The FAQ says Tribler runs in a browser by default and offers a REST API for manual use. · tribler.org, 8 Oct 2026
Decentralized search: Tribler includes content search that does not rely on a central server or website. · tribler.org, 8 Oct 2026
Features: Its listed features include magnet links, video-on-demand, channels, sub-second search, and anonymous downloading and seeding. · tribler.org, 8 Oct 2026
Founded: 2004 · tribler.org, 28 Sept 2026
Hidden seeding: The anonymity page describes hidden seeding as experimental and says NAT traversal limitations can significantly reduce speeds. · tribler.org, 8 Oct 2026
Maker: Tribler describes itself as a research project of Delft University of Technology, created in April 2005. · tribler.org, 8 Oct 2026
Onion routing: Tribler uses a dedicated Tor-like onion-routing network for torrent downloads rather than the normal Tor network. · tribler.org, 8 Oct 2026
Open source: Tribler is an open-source research project; the FAQ says its code is mostly LGPL and partly MIT licensed. · tribler.org, 8 Oct 2026
Operating systems: The download page provides installers for Windows, macOS 12 or later, and Ubuntu Linux, including an ARM64 Linux package. · tribler.org, 8 Oct 2026
Purpose: Tribler is a peer-to-peer BitTorrent client for searching, downloading, and sharing files. · tribler.org, 8 Oct 2026
Security caveat: Tribler says its anonymity is not mature and does not protect users against government agencies. · tribler.org, 8 Oct 2026
Support: The support page links to a getting-started guide and FAQ, and the FAQ directs issue reports to GitHub. · tribler.org, 8 Oct 2026
Usage limit: The FAQ says users cannot block peers or addresses within Tribler. · tribler.org, 8 Oct 2026

Where Tribler stands on Freedom251

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