Implements a sophisticated fuzzy matching algorithm with prefix, partial, and full-fuzzy modes. Handles word boundaries, strict case preference, symbol matching, and synonym support. The algorithm is self-contained (only depends on char.lua) and could be extracted for use in any Lua-based search or autocomplete system.

A complete snippet parser implementing the VS Code snippet grammar. Uses a parser combinator approach to build an AST with nodes for tabstops, placeholders, choices, variables, and transforms. The parser is self-contained (only depends on misc.lua) and can be reused in any Lua environment needing snippet expansion.

Provides async utilities including throttle, dedup, step-based coroutine scheduler, and timeout. The throttle implementation uses libuv timers and supports dynamic timeout adjustment. The scheduler uses a check handle to run coroutines within a configurable budget. While it has minor dependencies on config and feedkeys, the core patterns are reusable for any Lua async framework.

Manages Neovim floating windows with support for borders, scrollbars, and dynamic sizing. Handles window creation, configuration, and content height calculation. The scrollbar implementation draws a separate window for the thumb and track. This module is tightly integrated with cmp's config but the window management patterns are reusable for any Neovim plugin needing custom popups.

A minimal, standalone event emitter implementation. Provides on, off, clear, and emit methods. No external dependencies. Can be extracted and used in any Lua project for simple pub-sub communication.

A generic cache with key-based get, set, and ensure methods. Supports string or table keys (concatenated with ':'). Standalone and reusable for any Lua application needing memoization or caching.