Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Polars
Blazingly fast multi-threaded DataFrame library built in Rust with Python, Node.js, and R bindings
error-stack-parser
Cross-browser JavaScript library that parses Error objects into structured stack frames with function names, file paths, and line/column numbers.
Apache DataFusion
The extensible, Arrow-native SQL and DataFrame query engine for building fast analytical systems in Rust.
ConnectorX
The fastest, most memory-efficient way to load data from databases into Python and Rust DataFrames.
apm-agent-nodejs
The official Elastic APM agent for Node.js, auto-instrumenting popular frameworks and modules to capture traces, errors, and metrics.
stacktrace-gps
Resolves a partial stack frame into a precise one using source maps and function-name inference.
stackframe
A tiny JS object representation of a single stack trace frame, powering stacktrace.js.