Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Tags2
Sort:Used by Most Apps
thiserror
A derive macro for ergonomic, zero-boilerplate custom error types in Rust.
anyhow
Flexible, idiomatic error handling for Rust applications with a single concrete error type.
Collision
Beautiful command-line error reporting for PHP apps and test suites
zod-validation-error
Turns raw Zod validation issues into clear, human-readable error messages.
Firecrawl Python SDK
Official Python SDK for the Firecrawl API — scrape, crawl, and search the web as clean Markdown or structured data for AI agents
micro
Tiny, async/await-first library for building HTTP microservices in Node.js
serialize-error
Serialize and deserialize JavaScript Error objects into plain, JSON-safe objects and back.
node-oracledb
Oracle's official Node.js driver for connecting JavaScript and TypeScript apps directly to Oracle Database, in pure JS or with an optional native client.
error-stack-parser
Cross-browser JavaScript library that parses Error objects into structured stack frames with function names, file paths, and line/column numbers.
slog-multi
Compose Go's log/slog handlers into fanout, routing, failover, and load-balancing pipelines.
ajv-errors
Custom, human-readable error messages for Ajv JSON Schema validation
boom
HTTP-friendly error objects for building consistent, well-formed API error responses in Node.js.
simple-salesforce
A lightweight Python client for the Salesforce REST, Bulk, and Metadata APIs with four built-in authentication flows.
express-winston
Express.js middleware for request and error logging with Winston
zod-error
Formats Zod validation issues into a single, fully customizable error message string.