Lossless Python Packages

tamp

Tamp is a low-memory, DEFLATE-inspired lossless compression library.

ultracompress

Lossless 5-bit transformer compression. 22 architectures shipped (0.6B-405B incl. dense + MoE + SSM), 14 PPL-verified. Hermes-3-405B 1.0066x, Mistral-7B 1.00548x, Mixtral-8x7B 1.00368x. SHA-256-verifiable bit-identical reconstruction. OpenAI-compatible API at api.sipsalabs.com. pip install ultracompress

zxc-compress

High-performance asymmetric lossless compression. 40%+ faster decompression than LZ4 on ARM64 with better compression ratios. Optimized for Game Assets, Firmware & App Bundles.

longhand

Lossless local memory for Claude Code. The full, unabbreviated version. Every tool call, every file edit, every thinking block — stored verbatim on your machine. Persistent memory without tokens.

telegram-slskd-local-bot

Automated music discovery and download via Telegram bot. Resolves metadata from Spotify, searches and downloads FLAC from Soulseek (slskd), and organizes your library. Docker-ready.

rsack

A Multi-purpose downloader.

audio-transcode-watcher

Automated multi-format audio transcoding service with real-time file watching and lyrics fetching

lossless-hermes-py

Lossless Context Management (LCM) for Hermes Agent — DAG-based conversation summarization that never forgets. Python port of lossless-claw.

datacortex

World's best JSON/NDJSON compressor. Format-aware lossless compression engine in Rust - schema inference, columnar reorg, type-specific encoding. 2-3x better than zstd on structured data.

matplotlib-lossless-webp

Tiny Python package that forces lossless compression in matplotlib when saving WebP images