Showing 285 open source projects for "tls"

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  • 1
    OpenSSL Project

    OpenSSL Project

    TLS/SSL and crypto library

    OpenSSL is a robust, commercial-grade, full-featured Open Source Toolkit for the TLS (formerly SSL), DTLS and QUIC (currently client-side only) protocols. The protocol implementations are based on a full-strength general-purpose cryptographic library, which can also be used stand-alone. Also included is a cryptographic module validated to conform with FIPS standards. OpenSSL is descended from the SSLeay library developed by Eric A. Young and Tim J. Hudson.
    Downloads: 45 This Week
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  • 2
    smtp4dev

    smtp4dev

    The fake smtp email server for development and testing

    smtp4dev - the fake SMTP email server for development and testing. A dummy SMTP server for Windows, Linux, Mac OS-X (and maybe elsewhere where .NET Core is available). Lets you test your application without spamming your real customers.
    Downloads: 96 This Week
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  • 3
    Caddy

    Caddy

    Powerful, enterprise-ready, open source web server w/ automatic HTTPS

    Caddy is a powerful, extensible, enterprise-ready server platform that uses TLS by default. Everything you would require in your infrastructure, from TLS certificate renewals and OCSP stapling, to reverse proxying and ingress, Caddy simplifies it all. Its modular architecture lets you do more with just a single static binary that compiles for any platform. Caddy is the only web server that uses HTTPS automatically and by default. It automatically renews TLS certificates, staples OCSP...
    Downloads: 28 This Week
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  • 4
    Sliver

    Sliver

    Adversary Emulation Framework

    Sliver is an open source cross-platform adversary emulation/red team framework, it can be used by organizations of all sizes to perform security testing. Sliver's implants support C2 over Mutual TLS (mTLS), WireGuard, HTTP(S), and DNS and are dynamically compiled with per-binary asymmetric encryption keys. The server and client support MacOS, Windows, and Linux. Implants are supported on MacOS, Windows, and Linux (and possibly every Golang compiler target but we've not tested them all).
    Downloads: 52 This Week
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    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 5
    xrdp

    xrdp

    An open source RDP server

    xrdp provides a graphical login to remote machines using RDP (Microsoft Remote Desktop Protocol). xrdp accepts connections from a variety of RDP clients: FreeRDP, rdesktop, NeutrinoRDP and Microsoft Remote Desktop Client (for Windows, macOS, iOS and Android). As Windows-to-Windows Remote Desktop can, xrdp supports not only graphics remoting but also two-way clipboard transfer (text, bitmap, file), audio redirection, drive redirection (mount local client drives on a remote machine). Connect...
    Downloads: 60 This Week
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  • 6
    ZMap

    ZMap

    ZMap is a fast single packet network scanner for network surveys

    ... a large number of UDP probes. If you are looking to do more involved scans, e.g., banner grab or TLS handshake, take a look at ZGrab 2, ZMap's sister project that performs stateful application-layer handshakes. ZDNS is a utility for performing fast DNS lookups, such as completing an A lookup for all names in a zone file, or collecting CAA records for a large number of websites. ZDNS contains its own recursive resolver and supports A, AAAA, ANY, AXFR, CAA, CNAME, DMARC, MX, NS, PTR, TXT, etc.
    Downloads: 38 This Week
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  • 7
    OpenFortiVPN

    OpenFortiVPN

    Client for PPP+TLS VPN tunnel services

    openfortivpn is a command-line SSL VPN client for connecting to Fortinet FortiGate gateways without relying on proprietary GUIs. It negotiates the SSL/TLS tunnel, authenticates with credentials (and commonly with two-factor methods), then brings up a secure point-to-point interface and installs routes and DNS settings. The tool aims to be minimal and dependable: a single binary with an INI-style config file, systemd compatibility, and clear runtime diagnostics. It handles details like MTU...
    Downloads: 19 This Week
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  • 8
    Talos Linux

    Talos Linux

    Talos Linux is a modern Linux distribution built for Kubernetes

    .... All API access is secured with mutual TLS (mTLS) authentication. Talos eliminates configuration drift, reduces unknown factors by employing immutable infrastructure ideology, and delivers atomic updates. Talos simplifies your architecture, increases your agility, and always delivers current stable Kubernetes and Linux versions. Talos consists of only a handful of binaries and shared libraries: just enough to run containerd and a small set of system services.
    Downloads: 23 This Week
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  • 9
    SimpleX

    SimpleX

    The first messaging platform operating without user identifiers

    ... user profile identifiers, providing better meta-data privacy than alternatives. Many communication platforms are vulnerable to MITM attacks by servers or network providers. To prevent it SimpleX apps pass one-time keys out-of-band when you share an address as a link or a QR code. Double-ratchet protocol. OTR messaging with perfect forward secrecy and break-in recovery. NaCL cryptobox in each queue to prevent traffic correlation between message queues if TLS is compromised.
    Downloads: 33 This Week
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  • 10
    tls SNI injector + VPNGate Free Server

    tls SNI injector + VPNGate Free Server

    VPN 4G ssl/tls sni VPNGate CN/RU/JP/UK..

    VPN 4G ssl/tls sni VPNGate CN/RU/JP/UK.. SNI Host (Spoof Host) support ( SSL Injector ). Sibling project https://tunnelsmux.great-site.net/?i=1 🚀 Free VPNGate + SNI Customization 🛡️ One of the most powerful censorship bypass tools ever shared 🌍 Works globally — optimized for Vietnam, Iran, and more 💡 Try it today and experience real freedom! This VPNGate server setup is shared for educational and testing purposes only. Learn how SNI customization and meek proxy affect...
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    Downloads: 33 This Week
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  • 11
    mitmproxy

    mitmproxy

    A free and open source interactive HTTPS proxy

    mitmproxy is an open source, interactive SSL/TLS-capable intercepting HTTP proxy, with a console interface fit for HTTP/1, HTTP/2, and WebSockets. It's the ideal tool for penetration testers and software developers, able to debug, test, and make privacy measurements. It can intercept, inspect, modify and replay web traffic, and can even prettify and decode a variety of message types. Its web-based interface mitmweb gives you a similar experience as Chrome's DevTools, with the addition...
    Downloads: 18 This Week
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  • 12
    V2Ray

    V2Ray

    Shell script that aims to make installing and managing V2Ray

    ... hand-editing configuration files. It supports widely used transport options like TCP and WebSocket and can be paired with a reverse proxy for TLS termination, allowing cleaner integration with standard web servers. Designed for pragmatism over pedagogy, the tool focuses on getting a working, maintainable V2Ray server online in minutes rather than requiring deep familiarity with every configuration knob.
    Downloads: 10 This Week
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  • 13
    V2Ray-Agent

    V2Ray-Agent

    Xray, Tuic, hysteria2, sing-box

    An all-in-one V2Ray/Xray agent script to automate proxy server deployment on Linux. Supports multiple protocols (VLESS, VMess, Shadowsocks, WireGuard), automatic certificate generation, CDN node management, and multi-VPS subscription configurations—often used for network optimization or censorship circumvention.
    Downloads: 18 This Week
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  • 14
    MQTT X

    MQTT X

    Powerful cross-platform MQTT 5.0 desktop, CLI, and WebSocket client

    MQTT X is a cross-platform MQTT 5.0 client tool open sourced by EMQ, which can run on macOS, Linux and Windows, and supports formatting MQTT payload. MQTT X simplifies test operation with the help of a familiar, chat-like interface. It’s easy and quick to create multiple, simultaneous online MQTT client connections, and can test the connection, publishing, and subscription functions of MQTT/TCP, MQTT/TLS, MQTT/WebSocket as well as other MQTT protocol features. MQTT stands for MQ Telemetry...
    Downloads: 19 This Week
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  • 15
    AWS SDK for PHP

    AWS SDK for PHP

    Repository of the AWS SDK for PHP

    ... requirements, including having PHP >= 5.5. We highly recommend having it compiled with the cURL extension and cURL 7.16.2+ compiled with a TLS backend (e.g., NSS or OpenSSL). To run the SDK, your system will need to meet the minimum requirements, including having PHP >= 5.5. We highly recommend having it compiled with the cURL extension and cURL 7.16.2+ compiled with a TLS backend (e.g., NSS or OpenSSL).
    Downloads: 13 This Week
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  • 16
    Mail-in-a-Box

    Mail-in-a-Box

    Take back control of your email with this mail server in a box

    Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server, a mail server in a box. Mail-in-a-Box lets you become your own mail service provider in a few easy steps. It’s sort of like making your own gmail, but one you control from top to bottom. Technically, Mail-in-a-Box turns a fresh cloud computer into a working mail server. But you don’t need to be a technology expert to set it up. Our goals are to make deploying...
    Downloads: 13 This Week
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  • 17
    testssl.sh

    testssl.sh

    Testing TLS/SSL encryption anywhere on any port

    testssl.sh is a free command-line tool that checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more. testssl.sh is free and open-source software. You can use it under the terms of GPLv2, please review the License before using it. Works for Linux, Mac OSX, FreeBSD, NetBSD and WSL/MSYS2/Cygwin out of the box, no need to install or configure something, no gems, CPAN, pip or the like. OpenBSD only needs bash...
    Downloads: 8 This Week
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  • 18
    Synergy Core

    Synergy Core

    The keyboard and mouse sharing tool

    .... Keep your passwords and sensitive data secure with TLS encryption. Key, mouse and data all sent fast and securely, directly over your local network. Advanced customization settings give you complete control of your setup. The next version is being built from the ground up by combining the latest technologies, Node.js and React, with the rock-solid stability of C++.
    Downloads: 14 This Week
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  • 19
    whoami.filippo.io

    whoami.filippo.io

    A ssh server that knows who you are. $ ssh whoami.filippo.io

    whoami.filippo.io powers a diagnostic service that reports what your client and connection look like from the other side, making it a handy mirror for network and TLS debugging. It surfaces details such as your IP address, protocol versions, cipher suites, SNI, and other attributes that are otherwise tedious to confirm across layers. The tool emphasizes clarity and minimalism, helping engineers quickly verify configuration changes in browsers, proxies, VPNs, or CLI tools. It is especially...
    Downloads: 5 This Week
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  • 20
    Modlishka

    Modlishka

    Powerful and flexible HTTP reverse proxy

    Modlishka is a powerful and flexible HTTP reverse proxy. It implements an entirely new and interesting approach of handling browser-based HTTP traffic flow, which allows to transparently proxy of multi-domain destination traffic, both TLS and non-TLS, over a single domain, without the requirement of installing any additional certificate on the client. What exactly does this mean? In short, it simply has a lot of potential, that can be used in many use case scenarios. Modlishka was written...
    Downloads: 5 This Week
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  • 21
    Requests

    Requests

    A simple, yet elegant, HTTP library.

    Requests is the de facto HTTP library for Python—simple, elegant, and human-friendly. It wraps urllib3 to provide intuitive methods for sending HTTP/1.1 requests, handling sessions, cookies, redirects, authentication, proxies, and more.
    Downloads: 8 This Week
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  • 22
    Kafdrop

    Kafdrop

    Kafka Web UI

    Kafdrop is a web UI for viewing Kafka topics and browsing consumer groups. The tool displays information such as brokers, topics, partitions, and consumers, and lets you view messages. This project is a reboot of Kafdrop 2.x, dragged kicking and screaming into the world of Java 17+, Kafka 2.x, Helm and Kubernetes. It's a lightweight application that runs on Spring Boot and is dead-easy to configure, supporting SASL and TLS-secured brokers.
    Downloads: 10 This Week
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  • 23
    s2n

    s2n

    An implementation of the TLS/SSL protocols

    s2n-tls is a C99 implementation of the TLS/SSL protocols that is designed to be simple, small, fast, and with security as a priority. It is released and licensed under the Apache License 2.0. If you are building on OSX, you can use build tools like Ninja. The s2n-tls I/O APIs are designed to be intuitive to developers familiar with the widely-used POSIX I/O APIs, and s2n-tls supports blocking, non-blocking, and full-duplex I/O. Additionally there are no locks or mutexes within s2n-tls. s2n-tls...
    Downloads: 0 This Week
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  • 24
    eCapture

    eCapture

    Capturing SSL/TLS plaintext without a CA certificate using eBPF

    Capture SSL/TLS text content without a CA certificate using eBPF. Supports Linux/Android kernel versions x86_64 4.18 and above, aarch64 5.5 and above. Does not support Windows and macOS systems.
    Downloads: 1 This Week
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  • 25
    v2flyNG

    v2flyNG

    A V2Ray client for Android, support v2fly core

    ... for balancing privacy with bandwidth and latency. The client exposes routing controls, TLS settings, custom DNS, and UDP handling so advanced users can fine-tune behavior. Status panels and logs help diagnose connectivity issues and confirm that rules are being applied as intended.
    Downloads: 7 This Week
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