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 |
|---|---|---|---|
| x402-foundation/x402 x402 is an open standard and SDK suite for internet-native payments built on the HTTP 402 status code, letting servers charge for API or co… | 66 | 6747 | active |
| TeamAmaze/AmazeFileManager Amaze File Manager is an open-source, Material Design file manager app for Android. It supports file operations, multi-tab browsing, root e… | 94 | 6410 | active |
| al1abb/invoify Invoify is a free, web-based invoice generator built with Next.js, TypeScript, React, and shadcn/ui. Users fill in a form, pick from 13 tem… | 69 | 6364 | active |
| ldqk/Masuit.Tools Masuit.Tools is a Swiss-army utility library for C#/.NET bundling dozens of commonly needed helpers: encryption, reflection, LINQ and expre… | 98 | 6190 | active |
| Passbolt Passbolt Community Edition API is the JSON backend for the open source, security-first password manager for teams, built in PHP on CakePHP.… | 96 | 6136 | stable |
| FATE FATE (Federated AI Technology Enabler) is an industrial-grade open-source federated learning framework hosted by the Linux Foundation. It e… | 23 | 6107 | active |
| google/highway Highway is a C++ library providing performance-portable SIMD/vector intrinsics that work across seven CPU architectures. It supports runtim… | 79 | 5929 | stable |
| capcom6/android-sms-gateway An Android application that turns a smartphone into an SMS and MMS gateway, exposing a REST API for sending messages programmatically and w… | 96 | 5915 | active |
| RIOT OS RIOT is an open-source, vendor-independent operating system for Internet of Things and embedded devices, supporting 8/16/32-bit microcontro… | 93 | 5820 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| telemt/telemt Telemt is a high-performance MTProxy server for Telegram written in Rust with Tokio, implementing all official MTProto proxy modes includin… | 78 | 5705 | active |
| massalabs/massa Massa is a decentralized Layer-1 blockchain written in Rust, using multithreaded blockclique technology to reach over 10,000 transactions p… | 96 | 5505 | active |
| feschber/lan-mouse Lan Mouse is a cross-platform software KVM switch that lets you share a single mouse and keyboard across multiple PCs over a local network.… | 80 | 5374 | active |
| warmcat/libwebsockets Libwebsockets is a lightweight, pure C networking library providing client and server implementations for HTTP/1, HTTP/2, HTTP/3, WebSocket… | 76 | 5331 | stable |
| quinn-rs/quinn Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol, with a high-level tokio-based API plus a sans-I/… | 99 | 5296 | stable |
| duke-git/lancet Lancet is a comprehensive utility function library for Go with 700+ reusable functions covering strings, slices, datetime, networking, cryp… | 67 | 5296 | active |
| CYQawa/YunX YunX (云析) is an Android app that parses cloud drive (netdisk) share links from services like Quark, UC, Thunder, Baidu, 139, and 123 Cloud,… | 81 | 5110 | active |
| torproject/tor Tor is the core implementation of the Tor anonymity network, routing internet traffic through onion circuits to hide a user's IP address an… | 32 | 5052 | active |
| xvzc/spoofdpi SpoofDPI is a lightweight, cross-platform proxy tool written in Go that circumvents Deep Packet Inspection (DPI) based internet censorship … | 98 | 5021 | active |
| Bitcore Bitcore is a full-stack monorepo from BitPay providing infrastructure for building Bitcoin and blockchain-based applications, including a b… | 67 | 4982 | active |
| s3tools/s3cmd S3cmd is a free, open-source command line tool written in Python for uploading, retrieving, and managing data in Amazon S3 and other S3-pro… | 41 | 4910 | stable |
| addy.io The self-hostable source code for addy.io (formerly AnonAddy), an open-source anonymous email forwarding service. It lets users create emai… | 98 | 4885 | active |
| iterate-ch/cyberduck Cyberduck is a libre file transfer and cloud storage browser for macOS and Windows, with a CLI for Linux, macOS, and Windows. It supports F… | 77 | 4851 | stable |
| saber-notes/saber Saber is a free, open-source, cross-platform notes app built for handwriting with a stylus or finger. It offers encrypted note sync across … | 94 | 4838 | active |
| Leo Programming Language Leo is an imperative, statically-typed programming language for writing zero-knowledge applications that compile to circuits for the Aleo b… | 98 | 4823 | active |
| Prawn PDF Generation Prawn is a pure Ruby library for programmatically generating PDF documents, offering vector drawing, text rendering, image embedding, and e… | 54 | 4822 | stable |
| element-hq/synapse Synapse is the reference Matrix homeserver implementation maintained by Element, written in Python/Twisted with Rust components. It stores … | 90 | 4718 | stable |
| szabodanika/microbin MicroBin is a self-hosted pastebin and file-sharing web application written in Rust, packaged as a single self-contained executable. It sup… | 71 | 4574 | active |
| Taiko Taiko Alethia is the monorepo for Taiko, the first type-1 (Ethereum-equivalent) based rollup protocol on Ethereum, where L1 validators sequ… | 98 | 4552 | active |
| web3/web3.js Web3.js is a collection of TypeScript/JavaScript libraries for interacting with Ethereum and EVM-compatible blockchains via the JSON-RPC AP… | 10 | 19912 | maintenance |
| MHR-CFW A Python-based MITM domain-fronting relay that routes HTTP traffic through Google Apps Script and Cloudflare Workers so network DPI filters… | 62 | 4424 | active |
| pgbackrest/pgbackrest pgBackRest is a reliable backup and restore tool for PostgreSQL that scales to the largest databases and workloads. It supports parallel fu… | 90 | 4405 | stable |
| OpenZiti OpenZiti is an open-source zero-trust networking platform that provides programmable mesh overlay networks with cryptographic identity, pol… | 97 | 4403 | active |
| lazy-luo/smarGate smarGate is a cross-network remote port mapping and NAT traversal tool consisting of an Android client app and lightweight server binaries,… | 73 | 4361 | active |
| nolabs-ai/nono nono is a Rust-based CLI and SDK that runs AI coding agents and their tool invocations in ephemeral, kernel-enforced micro sandboxes with c… | 76 | 4273 | active |
| subnub/myDrive MyDrive is an open-source, self-hosted cloud file storage server similar to Google Drive, built with Node.js, Express, React, and MongoDB. … | 65 | 4233 | active |
| ton-blockchain/ton The main TON monorepo containing the reference implementation of The Open Network blockchain, including the node/validator software, lite-c… | 95 | 4160 | active |
| numbersprotocol/nit Nit is a CLI tool that applies Git-like concepts to web3 digital assets, letting users commit an asset's activities (chronicle) as on-chain… | 25 | 4131 | active |
| cacggghp/vk-turn-proxy A Go tool that tunnels WireGuard (or Hysteria) traffic through TURN servers of VK Calls / Yandex Telemost, encrypting packets with DTLS 1.2… | 61 | 4017 | active |
| Kuma Kuma is a CNCF Sandbox, Envoy-based service mesh that provides L4-L7 connectivity, discovery, security (mTLS), observability, and traffic c… | 95 | 4015 | stable |
| ordinals/ord ord is an index, block explorer, and command-line wallet for Bitcoin ordinals, which assign serial numbers to satoshis based on mining orde… | 96 | 3969 | active |
| masterking32/MasterHttpRelayVPN A local HTTP/SOCKS5 proxy that tunnels browser traffic through a Google Apps Script relay using domain fronting, making the connection appe… | 50 | 3945 | active |
| 1024-lab/smart-admin SmartAdmin is a rapid development platform (scaffold/admin framework) built on SpringBoot 2/3 + Sa-Token + MyBatis-Plus for the backend and… | 80 | 3893 | active |
| SecureDrop SecureDrop is an open-source whistleblower submission system that lets media organizations and NGOs securely accept documents from and comm… | 94 | 3887 | stable |
| FxPool/FXMinerProxy FXMinerProxy is a Go-based cryptocurrency mining pool proxy that forwards miner traffic to pools, supports fee-based skimming (抽水), and pro… | 88 | 3703 | active |
| moby/swarmkit SwarmKit is a Go toolkit for orchestrating distributed systems, providing Raft-based consensus, node discovery, task scheduling, and servic… | 77 | 3652 | active |
| Steamworks.NET Steamworks.NET is a C# wrapper for Valve's Steamworks API, usable with Unity or any C#/.NET application. It provides a near 1:1 mapping to … | 86 | 3623 | active |
| Urbit Urbit is a personal server stack built from scratch, consisting of an operating system kernel (Arvo), a virtual machine runtime (Vere), and… | 95 | 3620 | active |
| Erigon Erigon is an Ethereum execution layer client written in Go, focused on efficiency, low disk footprint, and modular deployment. It supports … | 100 | 3589 | active |
| denoland/std The official Deno Standard Library, a collection of high-quality TypeScript packages published on JSR covering assertions, async utilities,… | 97 | 3557 | stable |
| Ajaxy/telegram-tt Telegram Web A, an official Telegram web client built with a custom React-like framework (Teact) and GramJS MTProto implementation. It is a… | 99 | 3554 | active |
| Meshbird Meshbird is an open-source cloud-native distributed private networking tool that creates encrypted peer-to-peer overlay networks across mul… | 51 | 3530 | active |
| Nano The official C++ node implementation of the Nano (XNO) digital currency, a feeless, instant, and eco-friendly payment protocol. It runs a f… | 73 | 3524 | active |
| ConnectBot ConnectBot is an open-source Secure Shell (SSH) client for Android that lets users open encrypted shell sessions and transfer files with re… | 99 | 3515 | active |
| TrustTunnel TrustTunnel is a modern open-source VPN protocol originally developed by AdGuard VPN, with this repository containing the VPN endpoint (ser… | 81 | 3489 | active |
| ph4ntonn/Stowaway Stowaway is a multi-hop proxy tool written in Go, designed for penetration testers to route external traffic through chains of nodes into r… | 51 | 3419 | active |
| Vectorized/solady Solady is a collection of gas-optimized Solidity smart contract snippets and libraries for Ethereum development. It provides implementation… | 75 | 3379 | active |
| matrixcascade/PainterEngine PainterEngine is a cross-platform application/game engine written in C with a built-in software renderer, portable to any platform supporti… | 75 | 3326 | active |
| gpac/gpac GPAC is an open-source multimedia framework for processing, inspecting, packaging, streaming, and playing audio, video, subtitles, encrypte… | 87 | 3313 | stable |
| Mic92/sops-nix sops-nix is a NixOS module that provides atomic, declarative secret provisioning based on Mozilla's sops. It decrypts sops-encrypted files … | 68 | 3232 | active |
| VNT VNT is a Rust-based VPN tool for quickly building virtual LANs across the internet, with NAT traversal, P2P tunnels, and point-to-network /… | 96 | 3228 | active |
| libp2p libp2p is a modular peer-to-peer networking stack and protocol suite, originally extracted from IPFS, with implementations in Go, Rust, Jav… | 66 | 3144 | stable |
| ddworken/hishtory hiSHtory is a CLI tool that replaces your shell history with a richer, context-aware version storing the working directory, exit code, host… | 63 | 3120 | active |
| twmb/franz-go franz-go is a feature-complete, pure Go Apache Kafka client library supporting Kafka 0.8.0 through 4.2+, including producing, consuming, tr… | 77 | 3113 | active |
| Core Lightning Core Lightning (CLN) is a specification-compliant Lightning Network node implementation written in C, maintained by Blockstream and in prod… | 98 | 3103 | stable |
| gobackup/gobackup GoBackup is a dependency-free CLI backup tool for application servers that dumps databases (MySQL, PostgreSQL, Redis, MongoDB, etc.), archi… | 85 | 3077 | stable |
| hwdsl2/wireguard-install A Bash script that automates setting up a WireGuard VPN server on various Linux distributions, with interactive and fully automatic install… | 75 | 3076 | active |
| strongSwan strongSwan is an open-source, modular IPsec-based VPN solution implementing the IKEv2 (and IKEv1) key exchange protocols for securing IP tr… | 88 | 2994 | stable |
| matrix-org/synapse Synapse is the reference Matrix homeserver, an open-source server implementing the Matrix protocol for federated, end-to-end-encrypted comm… | 10 | 12092 | maintenance |
| holepunchto/hypercore Hypercore is a JavaScript library implementing a secure, distributed append-only log that uses signed merkle trees to verify data integrity… | 99 | 2917 | active |
| Patterniha Internet Freedom Suite A method and configuration toolkit that intercepts unencrypted browser traffic via a man-in-the-middle local proxy and forwards it to block… | 69 | 2890 | active |
| chattocorp/chatto Chatto is a fully-featured, self-hostable team and group chat application written in Go, shipped as a single 50 MB binary with no dependenc… | 77 | 2828 | active |
| pikepdf/pikepdf pikepdf is a Python library for reading, writing, repairing, and transforming PDF files, built on the mature qpdf C++ library. It supports … | 96 | 2807 | active |
| paullouisageneau/libdatachannel libdatachannel is a standalone C++17 library (with C bindings) implementing WebRTC Data Channels, WebRTC Media Transport, and WebSockets wi… | 87 | 2749 | stable |
| MetapriseAI/OrgKernel OrgKernel is an open-source trust layer for AI agents providing cryptographic agent identity (Ed25519), scoped execution tokens, SHA-256 ha… | 53 | 2685 | active |
| near/nearcore nearcore is the reference client implementation of the NEAR Protocol, a sharded proof-of-stake blockchain written in Rust. It runs full nod… | 97 | 2618 | active |
| FISCO BCOS FISCO BCOS is an open-source permissioned (consortium) blockchain platform written in C++, originally launched by the Financial Blockchain … | 81 | 2608 | active |
| epsylon/ufonet UFONet is a free, P2P and cryptographic 'disruptive toolkit' written in Python for performing DoS and DDoS attacks at Layer 7 (HTTP) via Op… | 79 | 2535 | active |
| axiomatic-systems/Bento4 Bento4 is a C++ class library and set of command-line tools for reading, writing, inspecting, encrypting, and packaging ISO-MP4 files, incl… | 69 | 2507 | stable |
| ZerBea/hcxtools A set of C command-line tools that convert WiFi packet captures (pcap/pcapng) into hash formats compatible with Hashcat and John the Ripper… | 77 | 2454 | active |
| facil.io facil.io is a high-performance C micro-framework for web applications, providing an evented HTTP/1.1, WebSocket, and SSE server with pub/su… | 54 | 2408 | active |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 100 | 2404 | active |
| dominant-strategies/go-quai Go-quai is the official Go implementation of the Quai Network protocol, a sharded blockchain. It provides a node client that can be built f… | 98 | 2385 | active |
| squat/kilo Kilo is a multi-cloud network overlay for Kubernetes built on WireGuard, providing an encrypted layer 3 network that connects nodes across … | 74 | 2294 | active |
| Nethereum Nethereum is the .NET integration platform for Ethereum and EVM-compatible blockchains, offering 130+ NuGet packages covering RPC access, s… | 82 | 2260 | active |
| gsliepen/tinc Tinc is a peer-to-peer VPN daemon that creates encrypted private networks over the Internet with automatic full-mesh routing and NAT traver… | 74 | 2256 | stable |
| e0e1-wx A Windows GUI tool (PySide6, Python 3.10+) for analyzing and penetration-testing WeChat mini-programs locally. It automates mini-program pa… | 74 | 2243 | active |
| 864381832/xJavaFxTool xJavaFxTool is a cross-platform desktop application built with JavaFX that bundles dozens of small developer utilities, including encoding … | 47 | 2237 | active |
| qwj/python-proxy pproxy is a lightweight asynchronous tunnel proxy implemented in pure Python 3 asyncio, supporting HTTP, HTTP2, HTTP3/QUIC, SOCKS4/5, Shado… | 32 | 2203 | active |
| ZLMediaKit/ZLToolKit ZLToolKit is a lightweight C++11 network programming framework built on epoll/kqueue/wepoll with thread pools and asynchronous IO for high-… | 75 | 2202 | stable |
| matrix-org/matrix-js-sdk The official Matrix Client-Server SDK for JavaScript and TypeScript, maintained by Element and used in Element Web and Desktop. It lets app… | 100 | 2191 | stable |
| oxen-io/lokinet Lokinet is the reference implementation of LLARP, a low-latency layer 3 onion routing protocol that forms a decentralized, IP-based overlay… | 63 | 2092 | active |
| handshake-org/hsd HSD is a full node implementation of the Handshake decentralized naming/cryptocurrency protocol, written in JavaScript for Node.js. It prov… | 39 | 2073 | active |
| filecoin-project/venus Venus is a Go implementation of the Filecoin distributed storage network, providing a full node and a modular collection of services for ch… | 91 | 2056 | active |
| rememberber/MooTool MooTool is an all-in-one desktop developer toolbox offering dozens of handy utilities in a single GUI app, including JSON formatting, times… | 98 | 2051 | active |
| baiy/Ctool Ctool is a multi-platform Swiss-army toolbox of common developer utilities including hashing, encryption/decryption, encoding, JSON/YAML/XM… | 34 | 2050 | active |
| fccview/jotty Jotty (jotty·page) is a self-hosted web application for managing personal notes and checklists, storing everything as Markdown and JSON fil… | 80 | 2023 | active |
| aiortc/aioquic aioquic is a Python library implementing the QUIC network protocol (RFC 9000/9369) with a minimal TLS 1.3 implementation and an HTTP/3 stac… | 49 | 2007 | active |
| dswd/vpncloud VpnCloud is a high-performance peer-to-peer mesh VPN written in Rust that runs over UDP with strong end-to-end encryption (Curve25519 and A… | 23 | 1977 | stable |
| clawsoftware/clawPDF clawPDF is an open-source virtual printer for Windows that converts printed output into PDF, PDF/A, OCR text, SVG, and various image format… | 23 | 1959 | active |