* [Headroom v0.37.0](https://github.com/headroomlabs-ai/headroom) – Headroom compresses tool outputs, logs, RAG chunks, files, and conversation history before they reach an LLM to reduce tokens while preserving answers.

* [CyberChef v11.4.0](https://github.com/gchq/CyberChef) – Simple, intuitive web app for performing encryption, encoding, compression, parsing, and other data transformations in the browser.

* [Token Optimizer MCP v6.0.0](https://github.com/ooples/token-optimizer-mcp) – Model Context Protocol server that optimizes Claude Code context usage using caching, Brotli compression, and smart tool replacements for large text and file operations.

* [snappy v7.4.0](https://github.com/Brooooooklyn/snappy) – Fast Snappy compression library for Node.js, powered by napi-rs bindings to rust-snappy for high performance and broad platform support.

* [@fastify/compress v9.2.0](https://github.com/fastify/fastify-compress) – Fastify plugin that adds response compression and request decompression support for gzip, deflate, brotli, and zstd.

* [compress v1.19.2](https://github.com/klauspost/compress) – Optimized Go compression algorithms and packages, including zstd, s2, deflate, snappy, huff0 and gzhttp.

* [8mb.local v142](https://github.com/JMS1717/8mb.local) – Selfhosted GPU-accelerated video compressor with multi-vendor support and realtime progress tracking.

* [ZSTD seekable compression format implementation in Go cmd/zstdseek/v0.10.2](https://github.com/SaveTheRbtz/zstd-seekable-format-go) – Random-access reader and writer for ZSTD-compressed streams with seek table support.