Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more

Simple API, Complex Emails (JavaMail smtp wrapper)

Firefly is an asynchronous web framework for rapid development of high-performance web application.

A Java library that implements a ByteChannel interface over SSLEngine, enabling easy-to-use (socket-like) TLS for Java applications.

Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual 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, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, Kohttp and ktor. Also other server examples are available such as jersey with grizzly.

Decrypt HTTPS/TLS connections on the fly with Wireshark

A lightweight, simple FTP server. Pure Java, no dependencies.

Proxy server based on netty

React Native TCP socket API for Android & iOS with client SSL/TLS support

Java ACME Client application

A lightweight high level library for configuring a http client based on SSLContext or other properties such as TrustManager, KeyManager or Trusted Certificates to communicate over SSL/TLS for one way authentication or two way authentication provided by the SSLFactory. Support for Java, Scala and Kotlin based clients with examples. Available client examples are: 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, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel. Kohttp and Ktor.

stunnel for Android GUI, allows tunneling over HTTPS

A general-purpose file explorer for (rooted) Android, with support for compressed archives, remote file servers, device-to-device file transfers, checksums, etc...

wolfSSL JNI wrapper and JSSE provider for SSL/TLS, supporting up to TLS 1.3!

JRuby's OpenSSL gem

Kafka Connect for Fluentd

A TLS Enabled Fake SMTP Server for Development

SSL/TLS vulnerability research

A library that generates X.509 certificates and signs them with SSH agent. For use in client-side TLS handshakes.

Java implementation library for RFC 8461 - SMTP MTA Strict Transport Security.

SSL/TLS offline certificate generation and validation tool for Search Guard

Syslog appender for logback with full rfc 5424 support

A JavaFX Application (Client) that sends/receives a file over a concurrent server using TLS/SSL with a self-signed certificate.

Tool for testing establishment of TLS connections in Java

A simple chat application made for NetSec class at ICSD University of the Aegean, using I2P, TLS and other security features.

https://gkarthiks.github.io/s3-presigned-url/ Creating a PreSigned URL for the Amazon S3 via plain HTTP

PETEP (PEnetration TEsting Proxy) is open-source Java application for network communication proxying for the purpose of penetration testing. It allows penetration testers to setup proxies and interceptors to manage the traffic transmitted between client and server.

java cli tool for crawling whole websites for mixed-content issues

intercepter, filter, ssl 2 ways 3 level ca, Mutual authentication,springboot

TCP and DNS Proxy for Burp Suite.