657 Open Source Crypto Software Projects

A JavaScript / Python / PHP cryptocurrency trading API with support for more than 120 bitcoin/altcoin exchanges

An open source cybersecurity protocol for syncing decentralized graph data.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

A modern, portable, easy to use crypto library.

Nodejs学习笔记以及经验总结，公众号"程序猿小卡"

Multi-platform transparent client-side encryption of your files in the cloud

s2n : an implementation of the TLS/SSL protocols

CTF Wiki Online. Come and join us, we need you!

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

Valet lets you securely store data in the iOS, tvOS, or macOS Keychain without knowing a thing about how the Keychain works. It’s easy. We promise.

Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins and options).

A curated list of cryptography resources and links.

An open source, portable, easy to use, readable and flexible SSL library

A minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

free C++ class library of cryptographic schemes

A system for distributing and managing secrets

Project Wycheproof tests crypto libraries against known attacks.

Github.com/CryptoSignal - #1 Quant Trading & Technical Analysis Bot - 2,100 + stars, 580 + forks

Copy/paste anything over the network.

支持国密SM2/SM3/SM4/SM9/ZUC/SSL的OpenSSL分支

CTF竞赛入门指南

Secure software enclave for storage of sensitive information in memory.

A set of icons for all the main cryptocurrencies and altcoins, in a range of styles and sizes.

Advanced library for randomization, hashing and statistical analysis (devoted to chaos machines). :microscope:

An implementation of JOSE standards (JWE, JWS, JWT) in Go

💰 The cryptocurrency price tool on CLI. 🖥

Cryptography Toolkit

Tools to bootstrap CAs, certificate requests, and signed certificates.

Cryptographic filesystem for the cloud

🦄 The Enterprise™ programming language

Censorship resistant democracies.

Bouncy Castle Java Distribution (Mirror)

Keybase Filesystem (KBFS)

A simple SSL/TLS proxy with mutual authentication for securing non-TLS services

Zero-details, privacy-focused in-app file system.

I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is both distributed and dynamic, with no trusted parties. This is a mirror of the official Monotone repository.

A decentralized, trusted, high performance, SQL database with blockchain features

Port of TweetNaCl cryptographic library to JavaScript

Node.js RSA library

IBM Fully Homomorphic Encryption Toolkit For Linux. This toolkit is a Linux based Docker container that demonstrates computing on encrypted data without decrypting it! The toolkit ships with two demos including a fully encrypted Machine Learning inference with a Neural Network and a Privacy-Preserving key-value search.

Decentralized VPN

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

Library consisting of explanation and implementation of all the existing attacks on various Encryption Systems, Digital Signatures, Key Exchange, Authentication methods along with example challenges from CTFs

Strategies to Gekko trading bot with backtests results and some useful tools.

æternity: solving scalability problems by making sense of state-channels

An automated, modular cryptanalysis tool; i.e., a Weapon of Math Destruction

Node.js bindings for Argon2 hashing algorithm

Makes fingerprint encryption a breeze.

encrypt and decrypt files in your browser. Fast, Secure client-side File Encryption and Decryption using the web crypto api

the Crypto Undertaker

💹 Hackable charting lib for traders. You can draw literally ANYTHING on top of candlestick charts.

A curated list of multi party computation resources and links.

A utility to examine and validate certificates in a variety of formats

Database security suite. Database proxy with field-level encryption, search through encrypted data, SQL injections prevention, intrusion detection, honeypots. Supports client-side and proxy-side ("transparent") encryption. SQL, NoSQL.

libsodium compiled to Webassembly and pure JavaScript, with convenient wrappers.

Curated list of blockchain services and exchanges 🔥🏦🔥🏦🔥🏦🔥

The world's easiest, most powerful random function.

Cryptocurrency trading bot in javascript for Bitfinex, Bitmex, Binance ... (public edition)

How to backdoor Diffie-Hellman

Square's Bitcoin Cold Storage solution.

The PHP extension for libsodium.

Secure multi crypto exchange trading client

:white_check_mark: .NET crypto done right. Professionally audited.

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

Filesystem in userspace (FUSE) with transparent authenticated encryption

Cross-platform, cross-blockchain wallet library.

:lock: Don't use this repo, use the new monorepo instead:

Connect to applications on EOS, Ethereum, and Tron. Exchange tokens with ease. Manage your assets safely. All in a simple to use interface.

CTF 工具集合

Capillary is a library to simplify the sending of end-to-end encrypted push messages from Java-based application servers to Android clients.

Official implementation of IoTeX blockchain protocol in Go.

attacking RSA via lattice reductions (LLL)

A framework for Backdoor development!

:moneybag: curl cryptocurrencies exchange rates

CaptfEncoder是一款跨平台网络安全工具套件，提供网络安全相关编码转换、古典密码、密码学、特殊编码等工具，并聚合各类在线工具。

The portal to the new, open internet. ([I:b])

A Rust implementation of the Noise Protocol Framework

Multipath UDP tunnel

An advanced crypto trading framework written in Python

Background checks and due diligence for crypto projects

Hardware-based SSH/PGP agent

Peer-to-peer encrypted message exchange

🔓✨🔒 An innovative, convenient and secure encryption app

JavaScript library to encrypt/decrypt data in JSON Web Encryption (JWE) format and to sign/verify data in JSON Web Signature (JWS) format. Leverages Browser's native WebCrypto API.

Portfolio Overview Tool for Your CryptoCoin Capitalization-Weighted Portfolio.

Sharkey is a service for managing certificates for use by OpenSSH

A secure and easy-to-use CLI password manager for macOS and Linux

Place to store and stay up to date with configs & strategies from the CryptoGnome Group

Reusable django app implementing x509 PKI certificates management

Main uPort library for front end developers

The ARK Core Blockchain Framework. Check https://learn.ark.dev for more information.

Detect in-market cryptocurrency arbitrage

Demonstration library for using the Secure Enclave on iOS

Pulls together list of crypto exchanges to interact with their API's in a uniform fashion.

:book: Huge curated collection (archive) of links of Tech, Science, Economics, Politics, Life, Philosophy, Conferences, Videos and much more resources from everyday surfing. :star: Since October 21, 2017.

CryptoCurrency Tracker for Android & iOS built with @flutter

A collection of ruby scripts for those who live in the command line

Streamable SHA hashes in pure javascript

Fork of the Go standard TLS library, providing low-level access to the ClientHello for mimicry purposes.