zlib-ng
zlib replacement with optimizations for "next generation" systems. (by zlib-ng)
zstd
Zstandard - Fast real-time compression algorithm (by facebook)
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| zlib-ng | zstd | |
|---|---|---|
| 3 | 46 | |
| 1,072 | 16,841 | |
| 3.4% | 1.1% | |
| 9.6 | 9.7 | |
| 4 days ago | 7 days ago | |
| C | C | |
| zlib License | GNU General Public License v3.0 or later |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
zlib-ng
Posts with mentions or reviews of zlib-ng.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-03-28.
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Re: Zlib memory corruption on deflate (i.e. compress)
There are already active zlib forks (e.g. https://github.com/zlib-ng/zlib-ng), the problem is with having people move to them. It takes a lot of effort to move mindshare from the original version to a fork, there's some historical examples of it happening, but not a ton.
- Zlib – a spiffy yet delicately unobtrusive compression library
- Release 2.0.0 - First stable release · zlib-ng/zlib-ng
zstd
Posts with mentions or reviews of zstd.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-04-22.
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Casync – A Content-Addressable Data Synchronization Tool
Really wish this was part of official zstd (https://github.com/facebook/zstd/issues/395#issuecomment-535...) and not a contrib / separate tool.
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how do i open/decompress .zst files?
This.... https://github.com/facebook/zstd
- Binary Delta
- Zstandard v1.5.2: reference implementation of the RFC 8878 fast lossless compression algorithm, targeting real-time compression scenarios at zlib-level and better compression ratios. Dual BSD and GPLv2 licensed C library, plus command line utility for .zst, .gz, .xz and .lz4 files.
- Deck on SteamOS outperforms Windows by 18% playing Cyberpunk 2077
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bz2, gzip, or lzma - Which do you prefer?
I'm not a zip expert but have you tried the Zstandard from Facebook? https://github.com/facebook/zstd
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why are compressed, deduped backups so big? (vorta & borg backup)
Borg also supports compression, but compressing real-world data cannot do miracles. The most aggressive algorithm used by borg is zstd, which, according to the first benchmark I found online, has a compression ratio of less than 3. This means that compressed data can be reduced on average to ⅓ of original data. It would take an extremely inefficient data format to achieve a significantly better ratio. Images and .git directories are rarely stored so inefficiently, so they cannot be further compressed.
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PostgreSQL Begins Working On Zstd Compression Support
There are some legal problems with that. Zstd is patented and anybody that uses Zstd waivers his rights to pursue any legal action against Facebook.
zstd is dual-license BSD and GPLv2 since v1.3.1, that patent grant is not needed.
What are some alternatives?
When comparing zlib-ng and zstd you can also consider the following projects:
LZ4 - Extremely Fast Compression algorithm
Snappy - A fast compressor/decompressor
LZMA - (Unofficial) Git mirror of LZMA SDK releases
7-Zip-zstd - 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard
ZLib - A massively spiffy yet delicately unobtrusive compression library.
brotli - Brotli compression format
zfs - OpenZFS on Linux and FreeBSD
LZHAM - Lossless data compression codec with LZMA-like ratios but 1.5x-8x faster decompression speed, C/C++
LZFSE - LZFSE compression library and command line tool
rsync - An open source utility that provides fast incremental file transfer. It also has useful features for backup and restore operations among many other use cases.
zlib - Cloudflare fork of zlib with massive performance improvements