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Audiocraft is a library for audio processing and generation with deep learning. It features the state-of-the-art EnCodec audio compressor / tokenizer, along with MusicGen, a simple and controllable music generation LM with textual and melodic conditioning.

Crinkler is an executable file compressor (or rather, a compressing linker) for compressing small 32-bit Windows demoscene executables. As of 2026, it is the most widely used tool for compressing 1k/4k/8k intros.

Super fast C++ .PNG writer/reader

  • png
  • image-compression
  • image-compressor
  • data-compression

Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf

  • pdf
  • signature
  • pdf-sign
  • pdf-signature

Fast In-Memory Data Compression Algorithm (header-only C/C++) 540+MB/s compress, 3000+MB/s decompress, ratio% better than LZ4, Snappy, and Zstd@--1

  • data-compression
  • lz77
  • compression
  • compression-algorithm

Cut AI context cost without trusting the compressor. Every reduction is reversible, byte-exact recoverable, and carries an auditable receipt. Local-first, works through proxy, MCP, SDK, or agent wrapper.

Packer utility for compressing and complicating reversing compiled native code (native files), protecting resources, adding DRM, and packing into an optimized loader.

  • asm
  • asmx86
  • compressor
  • confuser

Packer compressing .net assemblies, (ab)using the PE format for data storage

  • packer
  • net-framework
  • csharp
  • compressor

LZPACK - CP/M-80 (8080 and Z80) executable compressor in ANSI C89

  • ansi-c
  • c89
  • compression
  • compressor

Cold storage that queries like hot storage. High-ratio JSONL compressor with block-level random access. Query cold storage in seconds — no restore, no full decompression. 5–13% ratio on JSONL logs, 25–57% smaller than gzip. 1-hour window via DuckDB in under 6s. Free for personal and open-source use.