The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
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An open source cybersecurity protocol for syncing decentralized graph data.
Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.
A free, secure and open source app for Android to manage your 2-step verification tokens.
Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
CAUTION: END OF SUPPORT ON 14 AUG 2026. The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES and JSON Web Signature/Token in pure JavaScript.
A p2p, secure file storage, social network and application protocol
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
Ultimate Javascript Object Signing and Encryption (JOSE), JSON Web Token (JWT) and Json Web Keys (JWK) Implementation for .NET and .NET Core
A lightweight, high-performance, industrial-grade cross-language logging library (C++/Java/C#/Kotlin/TS/Python/Go), battle-tested in Honor of Kings.
🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included
🔐 An SSL library for configuring http client or server. Rich with features such as hot reloading ssl and trusting additional certificates during runtime, combining multiple keystores, loading pem files and os/jdk certificates, logging certificate information during ssl handshake, bypassing ssl configuration from other libraries and more
Java cryptographic library that supports Argon2, bcrypt, scrypt and PBKDF2 aimed to protect passwords in databases. Easy to use by design, highly customizable, secure and portable. All the implementations follow the standards and have been reviewed to perform better in the JVM.
Android Secure SharedPreferences Using Facebook Conceal Encryption
Secure Preference Manager for android. It uses various Encryption to protect your application's Shared Preferences.
Client-side AES-256-GCM zero-knowledge encryption library. Browser-native Web Crypto API, no dependencies. Powers FileShot.io.
A Crytpographic Bundle for Dropwizard
End-to-end encryption for the browser and Node: a JavaScript library (npm: libves) with recoverable keys, post-quantum (ML-KEM) key exchange, and user-to-user sharing
Encrypted .env files with TOTP unsealing for production deploys. Cross-stack (Node + Java). Zero deps. Defends against npm supply-chain attacks.