
esig/dssDigital Signature Service : creation, extension and validation of advanced electronic signatures
Java★ 1,045Oct 22, 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
crates.io71Goodhealth index

claration/impactorCross-platform & feature rich iOS/iPadOS/tvOS sideloading application. Formerly known as PlumeImpactor.
Rust★ 3,532Oct 20, 2026
Packagist · npm71Goodhealth index

creagia/laravel-sign-padA Laravel package to sign documents and optionally generate certified PDFs associated with Eloquent models.
PHP★ 548↓ 10.2K/moSep 13, 2026

krovacloud/krova-nodeMonorepo for the Krova Cloud JS/TS packages — SDK, CLI, MCP, webhook verifier, n8n node.
TypeScript★ 0↓ 6,150/moSep 13, 2026
TypeScript★ 517↓ 11.9M/moAug 27, 2026
TypeScript★ 890↓ 5.3M/moOct 5, 2026
Go · Makefile★ 0Sep 26, 2026

claration/FeatherFree on-device iOS/iPadOS application manager/installer, using certificates part of the Apple Developer Program.
Swift★ 4,590Aug 25, 2026
TypeScript · JavaScript★ 7↓ 6,998/moOct 17, 2026
Packagist67Goodhealth index
PHP★ 3↓ 174.1K/moOct 20, 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
TypeScript★ 233↓ 1.9M/moOct 4, 2026
Maven63Moderatehealth index

JetBrains/format-ripperLibrary for ELF / Mach-O / Fat-Mach-O / PE / Compound / MSI / DMG formats parsing and checking signatures
C#★ 22Oct 20, 2026
PyPI63Moderatehealth index
Python★ 0↓ 7,409/moOct 4, 2026
NuGet63Moderatehealth index

Unisys/NSignNSign (/ˈensaɪn/) is a set of .Net libraries for HTTP Message Signatures (RFC 9421).
C#★ 22Sep 15, 2026
npm63Moderatehealth index
TypeScript★ 2↓ 12.1K/moSep 8, 2026
Packagist63Moderatehealth index
PHP★ 413↓ 2.2M/moAug 27, 2026
crates.io · npm · PyPI63Moderatehealth index
Rust · TeX★ 1↓ 2,380/moOct 2, 2026
Packagist63Moderatehealth index

signnow/SignNowPHPSDKOfficial SignNow SDK for PHP. Sign documents, request eSignatures, and build role-based multi-signer workflows via REST API.
PHP★ 12↓ 8,913/moOct 20, 2026
npm62Moderatehealth index
TypeScript★ 164↓ 6.4M/moSep 16, 2026
crates.io60Moderatehealth index
Rust★ 147↓ 986.6K/moSep 18, 2026
PyPI60Moderatehealth index

mahmoudimus/ida-sigmakersigmaker is a zero-dependency IDA Pro 9.0+ cross-platform signature maker plugin with optional SIMD (e.g. AVX2/NEON/SSE2) speedups that works on MacOS/Linux/Windows. It allows configurable wildcard operand patterns, nibbles, and signature generation just by right clicking.
Python★ 220↓ 3,335/moSep 11, 2026
NuGet60Moderatehealth index

neilharvey/FileSignaturesA small library for detecting the type of a file based on header signature (also known as magic number).
C# · Rich Text Format★ 324Sep 18, 2026
npm60Moderatehealth index
JavaScript★ 3↓ 4,760/moOct 21, 2026
Packagist60Moderatehealth index
PHP★ 40↓ 29K/moOct 4, 2026
NuGet59Moderatehealth index

FreakyAli/Maui.FreakyControlsFreakyControls is a free OSS UI Kit for .NET MAUI which provides a set of controls and utilities to build modern mobile apps.
C#★ 406Sep 18, 2026
NuGet59Moderatehealth index
C#★ 11Sep 23, 2026