Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

58Health
Library Cargo

tree-sitter-c-sharp

C# grammar for tree-sitter, based on the Roslyn language grammar

321
MIT
Used by 7
37Health
Library npm

email-addresses

A dependency-free RFC 5322 email address parser for JavaScript and Node.js.

272
MIT
Used by 7
95Health
Library Cargo

tree-sitter

Incremental parsing library for building fast, resilient syntax trees

27,059
MIT
Used by 6
86Health
Library Composer

Intervention Image

Fluent PHP image processing with interchangeable GD, Imagick, and libvips drivers

14,373
MIT
Used by 6
72Health
Library Composer

ramsey/uuid

A PHP library for generating and working with UUIDs

12,632
MIT
Used by 6
89Health
Library Composer

Twig

The flexible, fast, and secure template language for PHP

8,369
BSD 3
Used by 6
71Health
Library Composer

Symfony CssSelector

Converts CSS selectors into equivalent XPath expressions for querying HTML and XML in PHP.

7,419
MIT
Used by 6
43Health
Library Composer

PSR-7 HTTP Message Interfaces

The PHP-FIG PSR-7 standard interfaces for HTTP requests, responses, streams, URIs, and uploaded files.

7,033
MIT
Used by 6
93Health
Library Composer

phpseclib

Pure-PHP implementations of SSH2, SFTP, X.509, RSA, AES, and dozens of other cryptographic primitives

5,593
MIT
Used by 6
73Health
Library Composer

Symfony Dotenv

Parses .env files and registers their values as environment variables for PHP applications

3,788
MIT
Used by 6
87Health
Library Composer

Symfony Mailer

A PHP component for composing and sending email

1,596
MIT
Used by 6
46Health
Library npm

csv-parser

A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.

1,503
MIT
Used by 6
55Health
Library npm

toml-node

A zero-dependency, spec-compliant TOML parser for Node.js with BigInt and Temporal support.

326
MIT
Used by 6
58Health
Library npm

set-cookie-parser

Parse raw Set-Cookie header values into structured JavaScript cookie objects

198
MIT
Used by 6
88Health
Library Composer

symfony/http-foundation

An object-oriented abstraction over PHP's raw HTTP superglobals — Request, Response, sessions, cookies, and file uploads as typed objects.

8,622
MIT
Used by 5
83Health
Library Composer

symfony/event-dispatcher

Decouple PHP application components with a Mediator/Observer-pattern event dispatcher

8,532
MIT
Used by 5
63Health
Library Composer

DoctrineMigrationsBundle

Symfony bundle that integrates the Doctrine Migrations library for versioned database schema changes

4,300
MIT
Used by 5
76Health
Library Composer

Symfony DomCrawler

A PHP component for navigating, filtering, and extracting data from HTML and XML documents.

4,027
MIT
Used by 5
82Health
Library Composer

league/oauth2-client

A framework-agnostic PHP client for building OAuth 2.0 login and API-authorization flows.

3,818
MIT
Used by 5
83Health
Library Cargo

sqlparser

Extensible SQL lexer and parser for Rust, conforming to ANSI SQL:2011

3,466
Apache 2.0
Used by 5
43Health
Library npm

node-xlsx

TypeScript-first Excel parser and builder for Node.js, built on SheetJS.

3,035
Apache 2.0
Used by 5
47Health
Library npm

xml-js

Converts XML text to JavaScript objects or JSON and back, preserving element order.

1,339
MIT
Used by 5
50Health
Tool npm

Peggy

Parser generator for JavaScript using parsing expression grammars (PEG)

1,180
MIT
Used by 5
69Health
Library npm

yargs-parser

The mighty, standalone option parser powering yargs

520
Other
Used by 5

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers