npm94Exceptionalhealth index

panva/joseJWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
TypeScript · JavaScript★ 7,791↓ 479M/moSep 16, 2026
PyPI94Exceptionalhealth index
Python★ 54↓ 1.5M/moOct 19, 2026
PyPI93Exceptionalhealth index
Python★ 113↓ 12K/moOct 10, 2026
PyPI91Excellenthealth index
Python★ 2↓ 27K/moOct 19, 2026
npm · PyPI · crates.io90Excellenthealth index

dyne/ZenroomSecure execution VM executing human-like language (no-code) to operate on data and advanced cryptographic operations.
C · C++ · Lua★ 250↓ 3,178/moSep 13, 2026
Packagist86Excellenthealth index
PHP★ 5,585↓ 11.6M/moAug 27, 2026
NuGet80Excellenthealth index

NetDevPack/Security.JwtJwt Manager. Set of components to deal with Jwt Stuff. Automate your key rotating, add support for jwks_uri. Store your cryptography keys in a secure place.
C#★ 297Oct 1, 2026
crates.io80Excellenthealth index
Rust★ 879↓ 46.3M/moOct 20, 2026
TypeScript★ 961↓ 113M/moSep 23, 2026
crates.io77Goodhealth index
Rust★ 660↓ 58.5M/moSep 17, 2026

polkadot-labs/hdkdPolkadot minimalistic Hierarchical Deterministic Key Derivation (HDKD) libraries
TypeScript★ 6↓ 192.8K/moOct 14, 2026
Python★ 973↓ 44M/moSep 16, 2026
JavaScript · TypeScript★ 23↓ 177.6K/moSep 14, 2026

Taiizor/Lucinda🔐 A high-performance E2EE library for .NET with Signal Protocol support. Features X3DH, Double Ratchet, Sender Keys, AES-GCM, RSA, ECDH, ECDSA, and secure key management. Supports .NET 6-10, .NET Standard 2.0/2.1, and .NET Framework 4.8+.
C#★ 36Oct 22, 2026

a-sit-plus/signumKotlin Multiplatform Crypto/PKI/ASN.1 Library with Attestation and Hardware-Backed Crypto Support on Mobile
Kotlin★ 201Oct 21, 2026
TypeScript★ 890↓ 5.3M/moOct 5, 2026
crates.io69Goodhealth index
Rust★ 579↓ 17.5M/moSep 17, 2026
crates.io69Goodhealth index
C · Rust★ 430↓ 15.1M/moOct 20, 2026

junkurihara/jscuJavaScript cryptographic utilities for crypto-suite compatibility including PEM/X509/JWK converter.
TypeScript · JavaScript★ 162↓ 462.7K/moSep 9, 2026

ofek/coincurveSafest and fastest Python library for secp256k1 elliptic curve operations
Python · CMake★ 184↓ 3.6M/moAug 27, 2026

deatil/go-cryptobinA go encrypt pkg(RSA/SM2/ECDSA/EC-GDSA/Gost/ElGamal/AES/DES/TripleDes/SM4/Tea/Twofish)
Go★ 346Oct 21, 2026
crates.io65Goodhealth index

iqlusioninc/yubikey.rsPure Rust YubiKey host-side driver for PIV-based RSA/ECC key storage + signing/encryption support
Rust★ 273↓ 25.3K/moOct 5, 2026
Packagist65Goodhealth index

k2gl/dsseSign and verify DSSE (Dead Simple Signing Envelope) payloads in PHP.
PHP★ 0↓ 605/moSep 13, 2026
npm63Moderatehealth index
TypeScript★ 9↓ 1M/moSep 18, 2026
RubyGems60Moderatehealth index
Ruby★ 11Sep 11, 2026
NuGet60Moderatehealth index

onix-labs/onixlabs-dotnetPowerful APIs for object-oriented, and functional programming, including general-purpose, numerics, security, and cryptography APIs
C#★ 15Oct 22, 2026
npm60Moderatehealth index
JavaScript★ 3↓ 4,760/moOct 21, 2026
PyPI59Moderatehealth index
Python★ 270↓ 191.4K/moOct 21, 2026
Packagist57Moderatehealth index
PHP★ 24↓ 61.8K/moOct 19, 2026
PyPI56Moderatehealth index

wbond/oscryptoCompiler-free Python crypto library backed by the OS, supporting CPython and PyPy
Python★ 342Sep 12, 2026