pkg.sopackage field notes

brew / rank 5985

Install bzip3 with Homebrew

Better and stronger spiritual successor to BZip2. Version 1.5.3 via Homebrew; verified 2026-07-04.

install

Additional install commands

macOS

Homebrewverified · 100%
brew install bzip3

provider-native install command

overview

Package summary

Better and stronger spiritual successor to BZip2

Commands and aliases

  • bunzip3
  • bz3cat
  • bz3grep
  • bz3less
  • bz3more
  • bz3most
  • bzip3

history

Project history and usage

BZip3 is a modern lossless compressor that explicitly presents itself as a better, faster, stronger spiritual successor to bzip2. It keeps the package shape familiar to Unix users while changing the compression internals substantially.

Project history

The upstream README describes BZip3 as combining a fast Burrows-Wheeler transform using suffix arrays, an order-0 context-mixing entropy coder, and an RLE/Lempel-Ziv-plus-prediction pass. The project copyright statement identifies Kamila Szewczyk as the main author for the 2022-2023 codebase.

The repository history shows public 1.x tags, and the README credits packaging-oriented autotools work, which helped make the project fit ordinary source-package and distribution build flows.

Adoption history

BZip3 is much newer and narrower than bzip2, but it has already reached Homebrew, Debian, Fedora, Alpine, Arch, MacPorts, Nix, Scoop, Ubuntu, and openSUSE package maps in the input facts. That adoption suggests interest from compression enthusiasts and distribution packagers rather than default system use.

Its adoption pitch is compatibility of workflow, not format compatibility: commands such as `bzip3`, `bunzip3`, `bz3cat`, and `bz3grep` feel familiar to users of bzip2 and gzip-family tools.

How it is used

Users run `bzip3` to compress, `bunzip3` to decompress, and helper tools such as `bz3cat`, `bz3grep`, `bz3less`, and `bz3more` to inspect compressed files. The README also documents standard autotools-style source builds with `./configure`, `make`, and `make install`.

The README emphasizes text and source-code compression, including benchmarks against xz, bzip2, zstd, and lrzip combinations. That makes the package most relevant for users comparing archival compression ratios rather than seeking maximum decompression ubiquity.

Why package nerds care

BZip3 is interesting to package nerds because it is a deliberate sequel to a classic package rather than a generic new compressor. Its command naming, helper tools, and packaging-friendly build system make it easy for distributions to slot beside bzip2 for experimentation.

Its significance is still emerging: it is not infrastructure in the way bzip2 is, but it is the sort of package compression fans track to see whether an old format family can be reimagined with modern algorithms.

Timeline

  • 2022: BZip3's main codebase copyright period begins.
  • 2022: Public 1.x tags begin in the upstream repository.
  • 2023: The README documents the LGPLv3-only project, benchmarks, architecture testing, and packaging-friendly autotools build.
  • 2020s: BZip3 appears in multiple Unix and cross-platform package managers as a niche compression tool.

Related projects

  • bzip2 is the explicit spiritual predecessor.
  • libsais is credited by the README for Burrows-Wheeler transform construction.
  • xz, zstd, lrzip, BSC, and Turbo-Range-Coder appear in the README's comparison and benchmark context.

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • narrow executable package without higher-risk signals

Signals

  • metadata:no-higher-risk-signals

Install behavior

  • No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
bunzip3executableindexed executableDiscovered from the local executable index.
bz3catexecutableindexed executableDiscovered from the local executable index.
bz3grepexecutableindexed executableDiscovered from the local executable index.
bz3lessexecutableindexed executableDiscovered from the local executable index.
bz3moreexecutableindexed executableDiscovered from the local executable index.
bz3mostexecutableindexed executableDiscovered from the local executable index.
bzip3executableindexed executableDiscovered from the local executable index.

freshness

Version and 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.

page generated2026-08-03
manager version1.5.3
manager updated2026-07-04
local dataunknown
upstreamnot available
latest detectednot detected
  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:bzip3
Version1.5.3
Package managerHomebrew
Homepagehttps://github.com/iczelia/bzip3
Repositoryhttps://github.com/iczelia/bzip3
Last updated2026-07-04T16:53:42+09:00
Pulseupdated
Bottlenot recorded
Servicenone declared

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • Nucleus package database
  • curated package history
  • pkgdb category and tag curation