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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Nodemailer
The zero-dependency Node.js library for sending email over SMTP, SES, sendmail, and more.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
React Email
High-quality, unstyled React components for building responsive HTML emails
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
typing_extensions
Backported and experimental type-hint features for Python, usable on older interpreters and ahead of the stdlib.
@clickhouse/client
The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.
html-to-text
Advanced HTML to plain text converter with word wrapping, tables, and customizable selectors
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
forge
A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.
got
Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.
email-validator
Robust email address syntax and deliverability validation for Python
Echo
A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.
@sendgrid/mail
Official Node.js SDK for sending transactional and marketing email through the Twilio SendGrid API.
linkifyjs
A fast, plugin-extensible library that finds URLs, email addresses, hashtags, and mentions in plain text and converts them into HTML links.