macOS
brew install i2plocal Homebrew formula metadata
brew
Anonymous overlay network - a network within a network. Version 2.12.0 via Homebrew; verified 2026-06-22.
install
brew install i2plocal Homebrew formula metadata
nix profile install nixpkgs#i2pnixpkgs package indexes · pkgs/by-name/i2/i2p/package.nix · source: api.github.com
choco install i2pChocolatey community package catalog · i2p · source: community.chocolatey.org
scoop install main/i2pScoop official bucket manifest trees · bucket/i2p.json · source: api.github.com
overview
Anonymous overlay network - a network within a network
history
I2P, the Invisible Internet Project, is a Java reference implementation of an anonymous overlay network. It provides a private network layer for applications such as anonymous web sites, chat, file sharing, mail, and other services that communicate through I2P destinations rather than ordinary public IP endpoints.
The official I2P overview describes the project as an engineering effort, not an academic or commercial research project, and says active development began in early 2003. Its architecture centers on routers, destinations, unidirectional inbound and outbound tunnels, garlic-encrypted messages, and a distributed network database.
The i2p.i2p repository is the reference Java implementation. The README points to platform installers, documentation, package-building instructions, and I2P's separate bug-tracking surfaces. GitHub mirrors and release assets provide a conventional source distribution path while I2P's own site remains the user-facing download and documentation hub.
Over time the project evolved from core anonymizing-router work into a bundled application environment with I2PTunnel, I2PSnark, Susimail, address books, streaming APIs, plugin/application support, and cross-platform packaging.
I2P's adoption came from privacy-conscious users and developers who wanted an application-oriented anonymous network distinct from Tor's exit-to-clearnet model. Official docs emphasize interactive services inside the network, including web hosting, bulletin boards, search, chat, file sharing, mail, blogs, and content syndication.
Package managers make I2P easier to deploy as a background router. Homebrew exposes eepget and i2prouter, while other ecosystems distribute installers or packages for desktop, server, and Android use.
Users run an I2P router, then connect applications to local services such as HTTP proxies, I2PTunnel, or application APIs. The network handles tunnel selection, lease sets, router info lookups, and end-to-end encrypted message delivery.
Developers use I2P when they want application traffic to stay inside an anonymous overlay rather than leave through exit nodes. The Java implementation also serves as the reference for specifications and behavior used by related clients.
I2P is package-nerd significant because it packages an entire privacy network as local executables and services. A package install is not merely a CLI tool; it brings a router, update machinery, bundled apps, Java dependencies, and network bootstrap behavior.
It also shows how privacy infrastructure has to balance repository mirrors, signed installers, platform-specific bundles, and package-manager formulas without reducing trust to a single download path.
security posture
broad file, network, media, or database tool signal.
blue risk · medium confidence · tool
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
eepget | cli | global executable | |
i2prouter | cli | global executable |
freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
https://github.com/i2p/i2p.i2p
install metadata
| Package key | brew:i2p |
|---|---|
| Version | 2.12.0 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/i2p |
| Homepage | https://geti2p.net |
| Repository | https://github.com/i2p/i2p.i2p |
| Upstream docs | https://geti2p.net/en/docs |
| License | LicenseRef-Homebrew-cannot-represent |
| Source archive | https://github.com/i2p/i2p.i2p/archive/refs/tags/i2p-2.12.0.tar.gz |
| Last updated | 2026-06-22T14:03:44-07:00 |
| Pulse | updated |
| Dependencies | java-service-wrapper, openjdk |
| Build dependencies | ant, gettext |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | i2p |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
i2p
nix profile install nixpkgs#i2pi2p
choco install i2pmain/i2p
scoop install main/i2psource trail
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
View the package source record on GitHub.