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

Kind
Library4824 SDK549 Tool342 Framework214
Category1
Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194
Tags3
React667 Python639 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON204 Laravel203 Go192 Python23
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 14 of 5929 packages
Cryptography Hashing Python2 Go Nodejs Clear all
83Health
Library npm

otplib

TypeScript-first TOTP and HOTP library with a pluggable crypto/base32 architecture for Node, Bun, Deno, and browsers.

2,290
MIT
Used by 22
69Health
Library npm

OTPAuth

HOTP and TOTP one-time password library for Node.js, Deno, Bun, and browsers

1,482
MIT
Used by 15
88Health
Library Go

webauthn

A spec-conformant WebAuthn and FIDO2 passkey server library for Go, handling registration and authentication ceremonies for passwordless and multi-factor login.

1,338
BSD 3
Used by 11
88Health
Library Go

jwx

A complete, opinionated Go implementation of the JOSE stack: JWT, JWS, JWE, JWK, and JWA.

2,427
MIT
Used by 7
44Health
Library Go

securecookie

Encodes and decodes authenticated, optionally encrypted cookie values for Go web applications, guarding session data from tampering.

729
BSD 3
Used by 7
77Health
Library Go

certmagic

Automatic HTTPS for Go programs — the production-grade ACME client library that powers Caddy, obtaining and renewing TLS certificates with zero manual cert management.

5,605
Apache 2.0
Used by 6
45Health
Library npm

speakeasy

A Node.js library for generating and verifying RFC 4226 (HOTP) and RFC 6238 (TOTP) one-time passcodes for two-factor authentication.

2,753
MIT
Used by 5
40Health
Library Go

machineid

Reads a cross-platform machine ID without admin privileges and hashes it for safe, app-specific device identification.

1,179
MIT
Used by 5
86Health
Library npm

@node-rs/argon2

Native Rust binding for Argon2 password hashing in Node.js

1,470
MIT
Used by 4
50Health
Library Go

gokrb5

A pure Go implementation of Kerberos 5 authentication, SPNEGO negotiation, and Active Directory PAC decoding — no cgo, no native krb5 dependency.

780
Apache 2.0
Used by 2
40Health
Library Go

argon2id

A minimal, secure Argon2id password hashing wrapper for Go with built-in salt generation and constant-time verification.

700
MIT
Used by 2
38Health
SDK npm

node-acme-client

A simple, unopinionated Node.js client for the ACME protocol, automating certificate issuance from Let's Encrypt and other CAs.

295
MIT
Used by 2
45Health
Library npm

crypto-hash

Tiny isomorphic hashing module that uses the native crypto API in Node.js and the browser.

645
MIT
Used by 1
78Health
Library npm

better-sqlite3-multiple-ciphers

Synchronous SQLite3 driver for Node.js, forked from better-sqlite3, with built-in multi-cipher database encryption support.

242
MIT
Used by 1

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