Open-source cryptography software
1245 open-source libraries, tools and applications tagged cryptography, ranked by how closely cryptography is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1245 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| SILENTTRINITY SILENTTRINITY is an asynchronous, multiplayer and multiserver C2/post-exploitation framework built with Python 3 and .NET's DLR. It uses em… | 32 | 2346 | maintenance |
| WireGuard WireGuard is a fast, modern, and secure VPN tunnel that uses state-of-the-art cryptography (Noise framework, Curve25519, ChaCha20) to creat… | 65 | 722 | stable |
| emersion/hydroxide Hydroxide is a third-party, open-source ProtonMail bridge written in Go that translates standard protocols (IMAP, SMTP, CardDAV) into Proto… | 10 | 2169 | maintenance |
| dapptools Dapptools is a suite of Unix-philosophy CLI tools for Ethereum smart contract development, including dapp (build/test/fuzz/deploy), seth (E… | 23 | 2123 | maintenance |
| scrod/nv Notational Velocity is a modeless, mouseless Mac OS X note-taking application where searching and creating notes share a single incremental… | 100 | 2103 | maintenance |
| cymcsg/UltimateAndroid UltimateAndroid is a rapid development framework for Android apps that bundles view injection, ORM, asynchronous networking, image loading,… | 32 | 2102 | maintenance |
| x0b/rcx RCX is an Android app that brings rclone-powered cloud storage access to mobile devices, letting users manage files across dozens of cloud … | 23 | 2051 | maintenance |
| libharu/libharu libHaru is a free, open-source ANSI C library for generating PDF files, supporting text, lines, images, annotations, font embedding, compre… | 63 | 2005 | maintenance |
| steemit/steem Steem is the C++ implementation of the Steem blockchain, a delegated proof-of-stake (DPOS) network designed for social media applications a… | 61 | 1947 | maintenance |
| chain/Core Chain Core is a Go application for operating and connecting to permissioned blockchain networks conforming to the Chain Protocol, maintaini… | 50 | 1784 | maintenance |
| ssb-server ssb-server is the gossip and replication server for Secure Scuttlebutt, a peer-to-peer append-only log store that acts as a database, ident… | 23 | 1707 | maintenance |
| securesocketfunneling/ssf Secure Socket Funneling (SSF) is a cross-platform network tool and toolkit that multiplexes TCP and UDP traffic through a single TLS-encryp… | 23 | 1669 | maintenance |
| den4uk/andriller Andriller CE is a Python-based forensic toolkit for Android smartphones that performs read-only, non-destructive data acquisition from devi… | 23 | 1618 | maintenance |
| outmoded/oz Oz is a web authorization protocol and Node.js library for granting and authenticating third-party access to an API on behalf of a user or … | 10 | 1510 | maintenance |
| Democracy Earth Sovereign Democracy Earth's Sovereign is a decentralized application (Dapp) for censorship-resistant digital democracy and governance, built on Ether… | 23 | 1507 | maintenance |
| jayZheng87/Thusy Thusy is a Java general-purpose utility library that aggregates and extends helper classes on top of Hutool and Apache Commons. It provides… | 32 | 1506 | maintenance |
| Sky24n/common_utils A Dart utility library providing common helper classes such as DateUtil, EncryptUtil, JsonUtil, LogUtil, MoneyUtil, NumUtil, ObjectUtil, Re… | 32 | 1455 | maintenance |
| aregm/nff-go NFF-Go is a set of Go libraries for building and deploying high-performance, cloud-native network functions (NFs) on top of DPDK and AF_XDP… | 23 | 1416 | maintenance |
| freelan-developers/freelan FreeLAN is an open-source, peer-to-peer VPN application written in C++ that creates secure virtual networks over the internet. It supports … | 23 | 1378 | maintenance |
| Ripple Trade client Ripple Trade client is an open-source web-based GUI for the Ripple payment network, enabling peer-to-peer exchange of fiat, cryptocurrencie… | 10 | 1356 | maintenance |
| trustedsec/trevorc2 TrevorC2 is a client/server command-and-control framework that tunnels communications through a browsable, legitimate-looking website to ev… | 32 | 1346 | maintenance |
| jingle1267/android-utils A Java utility class library for Android development that bundles dozens of commonly used helper classes covering files, bitmaps, networkin… | 75 | 1322 | maintenance |
| CITA CITA is a high-performance, open-source blockchain kernel written in Rust, designed for enterprise consortium chains. It uses a microservic… | 23 | 1302 | maintenance |
| loseys/BlackMamba BlackMamba is a Python/Qt-based Command and Control (C2) framework for post-exploitation that manages multiple client connections simultane… | 10 | 1162 | maintenance |
| Damn Vulnerable iOS App (DVIA) Damn Vulnerable iOS App (DVIA-v2) is a deliberately vulnerable iOS application written in Swift for practicing iOS penetration testing. It … | 23 | 1113 | maintenance |
| iov-one/weave IOV Weave is a Go framework for building custom ABCI applications that run on the Tendermint BFT proof-of-stake consensus engine. It provid… | 23 | 1105 | maintenance |
| arboliva/AirChat AirChat is a free communication tool that transmits messages over radio waves or audio without requiring internet or cellular infrastructur… | 32 | 1087 | maintenance |
| aws-amplify/aws-sdk-android The AWS SDK for Android is a collection of low-level Java libraries for directly interacting with AWS services (S3, DynamoDB, Cognito, Lamb… | 10 | 1073 | maintenance |
| twitchyliquid64/subnet Subnet is a simple, auditable VPN server and client written in Go, using TLS mutual authentication and TUN interfaces to route traffic. It … | 10 | 1057 | maintenance |
| Mob2003/rakshasa Rakshasa is a cross-platform multi-level proxy and intranet tunneling tool written in Go. It forms a network of nodes that forward TCP traf… | 21 | 1056 | maintenance |
| Emanuele-web04/remodex Remodex is a local-first open-source bridge plus iOS app that lets you control the OpenAI Codex coding agent running on your Mac from an iP… | 59 | 3345 | experimental |
| Polymarket/polymarket-cli A Rust command-line tool for Polymarket, the prediction market platform. It lets users browse markets, place and cancel orders, manage posi… | 61 | 2881 | experimental |
| stacks-archive/sbtc-developer-release A Rust workspace containing sBTC primitives, signer components, and helper tools for the Stacks ecosystem's 1:1 Bitcoin-backed asset. It in… | 10 | 1950 | experimental |
| google/rune Rune is an experimental, Python-inspired systems programming language from Google that compiles to C and emphasizes memory safety and const… | 70 | 1935 | experimental |
| uTox/uTox µTox is a lightweight cross-platform client for the Tox peer-to-peer, end-to-end encrypted instant messaging protocol. It supports text cha… | 67 | 1071 | experimental |
| khonsulabs/bonsaidb BonsaiDb is a developer-friendly document database written in Rust, inspired by CouchDB, offering ACID-compliant transactional collections,… | 23 | 1061 | experimental |
| Mbed OS Arm Mbed OS is an open-source embedded operating system for IoT devices built on Arm Cortex-M microcontrollers, providing an RTOS, security… | 23 | 4874 | abandoned |
| shadowsocksr-backup/shadowsocks-rss ShadowsocksR (SSR) is a fork of Shadowsocks providing an encrypted SOCKS/HTTP proxy client and server with additional protocol obfuscation … | 32 | 4434 | abandoned |
| litesuits/android-common LiteCommon is a lightweight collection of general-purpose Android utility and helper classes, under 50K in size. It covers logging, bitmap … | 32 | 3617 | abandoned |
| LiskArchive/lisk-sdk The Lisk SDK is a TypeScript framework for building blockchain applications and sidechains on the Lisk ecosystem. It provides modules for c… | 10 | 2679 | abandoned |
| killgcd/chromego ChromeGo is a bundled censorship-circumvention toolkit providing one-click proxy/VPN packages for Chrome, Firefox, and Android to bypass th… | 32 | 2162 | abandoned |
| okTurtles/dnschain DNSChain is a blockchain-based DNS and HTTPS server that provides a decentralized, MITM-proof alternative to the traditional DNS and X.509 … | 23 | 1731 | abandoned |
| qiwihui/hiwifi-ss A shell-script-based installer that adds Shadowsocks proxy support to HiWiFi (JiSu) routers, including a router admin UI integration, dnsma… | 10 | 1462 | abandoned |
| ekkoo-z/Z-Godzilla_ekp A modified (second-development) fork of the Godzilla webshell management tool, customized to evade network traffic detection devices and an… | 37 | 1075 | abandoned |
| gitchain/gitchain Gitchain is a decentralized, peer-to-peer network for hosting Git repositories, applying ideas from Bitcoin, Namecoin, and DHTs. It runs as… | 32 | 1030 | abandoned |
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