Roaring bitmaps are compressed bitmaps which tend to outperform conventional compressed bitmaps such as WAH, EWAH or Concise. In some instances, roaring bitmaps can be hundreds of times faster and they often offer significantly better compression. They can even be faster than uncompressed bitmaps.

PostgreSQL extension to make HTTP requests from within the database, returning results for usage in SQL queries.

This project was initially a part of lxml. Because HTML cleaner is designed as blocklist-based, many reports about possible security vulnerabilities were filed for lxml and that make the project problematic for security-sensitive environments.

lua-cmsgpack is a self contained C file without external dependencies. MessagePack is an object serialization specification like JSON.

Lua library for converting data to and from C structs. Its main functions are struct.pack, which packs multiple Lua values into a struct-like string; and struct.unpack, which unpacks multiple Lua values from a given struct-like string.

A module-relative resolution function scoped to each module, returning the URL string. This module backports an experimental Node.js 21 implementation of a standard ECMAScript modules feature. It will allow smoother transitions when upgrading Node.js.