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Top 18 C Zlib Projects
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Project mention: zlib-ng: zlib replacement with optimizations for "next generation" systems | news.ycombinator.com | 2025-03-16
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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( https://github.com/facebook/zstd/releases/tag/v1.5.6 )
In my opinion, it is better to check the original repository: https://github.com/inikep/lzbench
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lizard
Lizard is an efficient compressor with very fast decompression. It achieves compression ratio that is comparable to zip/zlib and zstd/brotli (at low and medium compression levels) at fast decompression speed (by inikep)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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uzlib
Radically unbloated DEFLATE/zlib/gzip compression/decompression library. Can decompress any gzip/zlib data, and offers simplified compressor which produces gzip-compatible output, while requiring much less resources (and providing less compression ratio of course).
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Project mention: Merecat Httpd – A Tiny (~140 KiB) Web Server with HTTPS and PHP Support | news.ycombinator.com | 2024-10-13
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Stm32-FatFs-Gzip
This project offers a simplified compressor that produces Gzip-compatible output with small resources for microcontrollers and edge computers. He uses the very basic LZ77 compression algorithm and static Deflate Huffman tree encoding to compress / decompress data into Gzip files.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C Zlib discussion
C Zlib related posts
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We asked camera companies why their RAW formats are all different and confusing
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zlib-ng: zlib replacement with optimizations for "next generation" systems
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Fast-PNG: PNG image decoder and encoder
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Discord Reduced WebSocket Traffic by 40%
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Zstd Content-Encoding planned to ship with Chrome 123
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Show HN: Pzip- blazing fast concurrent zip archiver and extractor
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TurboBench: Dynamic/Static web content compression benchmark
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A note from our sponsor - InfluxDB
www.influxdata.com | 18 Jun 2025
Index
What are some of the best open-source Zlib projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | zlib-ng | 1,802 |
| 2 | Minizip-ng | 1,340 |
| 3 | lzbench | 964 |
| 4 | lizard | 672 |
| 5 | precomp-cpp | 432 |
| 6 | matio | 367 |
| 7 | TurboBench | 348 |
| 8 | uzlib | 317 |
| 9 | tinf | 189 |
| 10 | merecat | 167 |
| 11 | fast_zlib | 134 |
| 12 | SwiftSDL2 | 115 |
| 13 | zlib | 55 |
| 14 | jdvrif | 46 |
| 15 | zlib | 37 |
| 16 | Stm32-FatFs-Gzip | 24 |
| 17 | jdeflate | 2 |
| 18 | zlib-bindings | 1 |
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InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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