iczelia/bzip3
A better and stronger spiritual successor to BZip2. observed · 2026-10-17
Health v2 · maintenance only
89/100
- Activity 99
- Release rhythm 70
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.
- gap_med: 119.5
- age_days: 1633
- days_rel: 43
- days_push: 6
- n_releases_24m: 5
Adoption not part of the score
1522 stars · 66 forks observed · 2026-10-17
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
BZip3 is a lossless data compression tool and library written in C, positioned as a spiritual successor to BZip2 with higher compression ratios and better performance. It combines an order-0 context mixing entropy coder, a suffix-array-based Burrows-Wheeler transform, and an RLE with LZ77/PPM-style prediction pass, and excels at compressing text and code.
Use cases
- compress large text or source code archives with better ratios than bzip2
- replace bzip2 in backup and archiving pipelines
- compress a big tar file to a smaller size than xz or zstd
- parallelize compression across multiple cores
- embed a high-ratio compressor in a C application via a library
When to choose
- maximum compression ratio matters more than compression speed
- your data is text, code, or other highly redundant content
- you want a modern, actively maintained bzip2 alternative
- you need parallel compression and fast decompression
When to avoid
- you need very fast compression over huge datasets (zstd is faster)
- you need compatibility with existing bzip2 or xz archives
- memory-constrained environments where large block buffers are a problem
Facets
cli-tool · maturity active
compression cli files developer-tools windows cli cross-platform bzip2-successor burrows-wheeler-transform entropy-coding data-compression c-library command-line linux macos
1 source
- readme: https://github.com/iczelia/bzip3 · fetched 2026-10-17 · 30d29528224e
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| iczelia/bzip3 | main | 89 |
For agents
Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem