ucl ☆
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Description:
Data compression library with small memory footprint
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: compression ucl embedded library nrv
Install: brew install ucl
About:
UCL (UCL data compression library) is a lightweight, portable ANSI C library implementing the real-time compression algorithms used by the NRV (Not Really Vanished) family. It is designed for embedded systems and applications requiring extremely fast decompression and minimal memory footprint, even on low-resource hardware. The library focuses on providing a small code size and high performance, making it ideal for scenarios where space is at a premium.
Key Features:
  • Ultra-small memory footprint and code size
  • Fast real-time decompression speeds
  • Portable ANSI C implementation
  • Includes NRV compression algorithms (NRV2B, NRV2D, NRV2E)
Use Cases:
  • Embedded systems and microcontroller firmware compression
  • Reducing storage requirements for resource-constrained devices
  • Real-time data decompression in performance-critical applications
Alternatives:
  • zlib – More widely used and feature-rich, but significantly larger in size and memory usage
  • LZ4 – Offers extremely fast compression/decompression but focuses more on speed than absolute minimal footprint
Version History
Detected Version Rev Change Commit
Sep 11, 2025 11:20am 0 VERSION_BUMP c18dbe6a
Sep 11, 2024 4:32am 0 VERSION_BUMP a2ce951d
Sep 22, 2023 6:28am 0 VERSION_BUMP a2447928
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