opa334 / TrollStore

iOS app that permanently installs IPA files by exploiting a CoreTrust signature verification bug.

documenso / documenso

The Open Source DocuSign Alternative.

claration / impactor

Cross-platform & feature rich iOS/iPadOS/tvOS sideloading application. Formerly known as PlumeImpactor.

bwuxqdmgyeub / pdf-annotate

Edit PDFs in-browser: add text, highlights, stamps, freehand ink; fill forms, merge pages, export annotated PDFs.

onvuehvxqnfx / skeet-cs2

Skeet/Gamesense CS2 dump: aimbot, ESP, wallhack, anti-aim, skinchanger, injector — reversed SDK headers and cheat source for research.

claration / feather

On-device iOS and iPadOS app manager that signs and installs IPA files using Apple Developer Program certificates.

docusealco / docuseal

Open source platform for creating PDF forms that people fill and sign online, with a self-hostable web app.

SigmaHQ / sigma

Main Sigma Rule Repository

OpenSignLabs / OpenSign

🔥 The free & Open Source DocuSign alternative

BeiChen-CN / AppHarbor

Fork of YXBwbWFya2V0/AppMarket - KMP cross-platform app store (Android/Desktop) with F-Droid source and signature-gated updates

redhat-et / ripwire

The ripgrep of AI context: a zero-dependency C++23 CLI + MCP server for coding agents. Find what you want without reading the repo, then check you built what you meant — blast radius, tests-to-run, quality deltas. Signatures at 74.7% fewer bytes than bodies; every guess labelled, every loss published. Paddle out with a map.

nautilusbits / retrokit

Headless-Ghidra toolkit for reverse engineering 32-bit DOS and Win32 games (1993-2010): own LE/LX loader, Watcom calling conventions, library signatures, MCP server

szimek / signature_pad

HTML5 canvas based smooth signature drawing

orval-labs / orval

orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺

LSPosed / CorePatch

Disable signature verification For Android

saturneric / GpgFrontend

A modern, cross-platform OpenPGP tool with a unique dual-engine core: switch freely between the battle-tested GnuPG and a modern, memory-safe Rust rPGP backend. It makes encryption, signing, and key management easier and more trustworthy in everyday privacy workflows.

horsicq / DIE-engine

DIE engine

jedisct1 / minisign

A dead simple tool to sign files and verify digital signatures.

sroberts / awesome-iocs

Curated sources of indicators of compromise, detection signatures and IOC tools.

tonaljs / tonal

A music theory library for Javascript

minio / minio-go

MinIO Go client SDK for S3 compatible object storage

itext / itext-java

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

bnb-chain / tss-lib

Threshold Signature Scheme, for ECDSA and EDDSA

whyoleg / cryptography-kotlin

A cryptography/crypto library for Kotlin Multiplatform

PerryLink / dsh-lsp-actions

LSP action surface for DeepSeek Harness: diagnostics, formatting, completion, code actions, symbols, signature help, inlay hints, and rename tools over language servers

munzzyy / tern

Installs and updates Android apps straight from their developers, and checks every file first. Phones, tablets and Android TV.

lcobucci / jwt

A simple library to work with JSON Web Token and JSON Web Signature

Neo23x0 / signature-base

YARA signature and IOC database for my scanners and tools

itext / itext-dotnet

iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enha

LibPDF-js / core

A modern PDF library for TypeScript. Parse, modify, and generate PDFs with a clean, intuitive API.

orhun / gpg-tui

Manage your GnuPG keys with ease! 🔐

Uniswap / permit2

Solidity contracts from Uniswap providing a unified token approval and signature-based transfer system for ERC20 tokens.

vbuch / node-signpdf

Simple signing of PDFs in node.

NetSparkleUpdater / NetSparkle

NetSparkle is a C#, cross-platform, highly-configurable software update framework with pre-built UI for .NET developers compatible with .NET 4.6.2/.NET 6+, WinForms, WPF, and Avalonia; uses Ed25519 signatures. View basic usage here in the README and try the samples for yourself.

LibreSign / libresign

Control how your documents get signed

MatthiasValvekens / pyHanko

pyHanko: sign and stamp PDF files

supranational / blst

Multilingual BLS12-381 signature library

arthurbolsoni / Purple-adblock

Adblock for the twitch using server side signature

elixir-lsp / elixir_sense

Provides context-aware information for code completion, documentation, go/jump to definition, signature info and more

ucsd-hacc / NSNFSSSFSFN

Nearly SNFS-Speed Signature Forgery Sans Factoring N

maksimryabkin / ipatool-sapfix

Final macOS ipatool HTTP 403/SAP transition build; official fix is in majd/ipatool v2.4.0+.

St0rn / SigLens

SigLens is a Windows binary analysis tool designed to pinpoint the exact regions responsible for antivirus detections. It narrows detections down to precise offsets and maps them to PE sections, RVA, VA, hexdump, and nearby strings, making evasion faster and easier. Built for fast AV signature triage on Windows

RedNote / Xiaohongshu-Shield-Algorithm

小红书Shield算法 小红书签名算法 小红书x-mini-mua 小红书APP签名 小红书逆向 小红书纯算 小红书白盒AES 小红书MD5 小红书RC4 小红书libxyass Xiaohongshu Shield Xiaohongshu signature RedNote Shield algorithm x-mini-mua x-mini-sig x-mini-gid x-mini-s1 xy-common-params xy-platform-info 小红书爬虫 小红书采集 小红书数据 小红书API 小红书接口 小红书APP逆向 小红书SO逆向 小红书native签名 小红书加密算法 App Shield 算法还原 纯算还原 Python逆向 Android逆向 SO逆向

QuipNetwork / hashsigs-solidity

Solidity contracts implementing hash based post quantum signatures

ruby / rbs

The type signature language for Ruby

Leon406 / ToolsFx

跨平台密码学工具箱。包含编解码，编码转换，加解密， 哈希，MAC，签名，大数运算，压缩，二维码功能，CTF等功能。

carcabot / tiktok-signature

Generate tiktok signature token using node

esig / dss

Digital Signature Service : creation, extension and validation of advanced electronic signatures

pubkey / eth-crypto

Cryptographic javascript-functions for ethereum and tutorials to use them with web3js and solidity

okigan / awscurl

curl-like access to AWS resources with AWS Signature Version 4 request signing.

jmattheis / goverter

Generate type-safe Go converters by defining function signatures.

Fyyre / UPGDSED

Universal PatchGuard and Driver Signature Enforcement Disable

24eme / signaturepdf

Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf

mkdocstrings / griffe

Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API.

RustCrypto / signatures

Cryptographic signature algorithms: DSA, ECDSA, Ed25519

horsicq / Nauz-File-Detector

Linker/Compiler/Tool detector for Windows, Linux and MacOS.

neighborhood999 / vue-signature-pad

🖋 Vue Signature Pad Component

creagia / laravel-sign-pad

A Laravel package to sign documents and optionally generate certified PDFs associated with Eloquent models.

mratsim / constantine

Constantine: modular, high-performance, zero-dependency cryptography stack for verifiable computation, proof systems and blockchain protocols.

reco-tools / ritridata

Read-only MBR/GPT inspection, public file signature definitions, and synthetic disk image tools. AGPL-3.0-only.