1344 Open source projects that are alternatives of or similar to Sites Using Cloudflare

Simple zero-config tool to create Private Certificate Authority & issue locally-trusted development server certificates with any domain names you'd like. SSL certificates for development purposes.

WordPress HTTPS is intended to be an all-in-one solution to using SSL on WordPress sites.

Xzero HTTP Application Server

Easy-to-use auto-SSL reverse proxy as a Docker container based on Caddy and Let’s Encrypt

Customizable honeypots for monitoring network traffic, bots activities and username\password credentials (DNS, HTTP Proxy, HTTP, HTTPS, SSH, POP3, IMAP, STMP, RDP, VNC, SMB, SOCKS5, Redis, TELNET, Postgres and MySQL)

Tipi - the All-in-one Web Server for Ruby Apps

Transparent SSL/TLS interception

《深入浅出HTTPS：从原理到实战》代码示例、勘误、反馈、讨论

（VLESS+TCP+TLS/VLESS+TCP+XTLS/VLESS+gRPC+TLS/VLESS+WS+TLS/VMess+TCP+TLS/VMess+WS+TLS/Trojan+TCP+TLS/Trojan+gRPC+TLS/Trojan+TCP+XTLS）+伪装站点、八合一共存脚本，支持多内核安装

Cloudflare Tunnel Instructions and Template for Unraid

php proxy based on GoAgent protocal,Implemented by golang

🔐 CLI tool to analyze, troubleshoot or inspect SSL certificates, requests or keys.

DNS over HTTPS client for use in the browser

General-purpose ACME client

🌩「自选优选 IP」测试 Cloudflare CDN 延迟和速度，获取最快 IP (IPv4 / IPv6)！另外也支持其他 CDN / 网站 IP ~

Automatically create and renew website certificates for free using the Let's Encrypt certificate authority.

FuckDPIv2 can fuck the Korean Government's internet censorship by fragmenting SSL ClientHello.

Domain information gathering tool

check your website for issues with multiple tools and get PDF reports of the results

Flares 🔥 is a CloudFlare DNS backup tool

Dynamic DNS (DDNS) service based on Cloudflare! Access your home network remotely via a custom domain name without a static IP! Written in pure BASH~

Probably the easiest way to create | renew | deploy certificate

Command line tool for manipulating DNS of CloudFlare hosted domains

A nice to have, MIT-licensed tool for using Cloudflare as a dynamic DNS provider.

GO Simple Tunnel - a simple tunnel written in golang

The last Micro Web Server for IoTs (MicroPython) or large servers (CPython), that supports WebSockets, routes, template engine and with really optimized architecture (mem allocations, async I/Os). Ready for ESP32, STM32 on Pyboard, Pycom's chipsets (WiPy, LoPy, ...). Robust, efficient and documented!

一款轻量级、高性能、功能强大的内网穿透代理服务器。支持tcp、udp、socks5、http等几乎所有流量转发，可用来访问内网网站、本地支付接口调试、ssh访问、远程桌面，内网dns解析、内网socks5代理等等……，并带有功能强大的web管理端。a lightweight, high-performance, powerful intranet penetration proxy server, with a powerful web management terminal.

TLS implementation in pure python, focused on interoperability testing

A simple and visual static web server with collaboration features.

HTTPS server running on localhost

High Performance TCP/UDP/HTTP Communication Component

渗透测试人员专用精简化字典 Dictionary for penetration testers happy hacker

基于 libcurl 的 IO 多路复用 HTTP 框架，适用于 iOS 平台，支持 HTTP/HTTPS/HTTP2/DNS(SNI)

Script for getting unlimited GB on Warp+ ( https://1.1.1.1/ )

准确、CDN友好

Event-driven networking engine written in Python.

High performance, minimalist Go web framework

Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution

A dynamic DNS client tool supports AliDNS, Cloudflare, Google Domains, DNSPod, HE.net & DuckDNS & DreamHost, etc, written in Go.

Simple HTTP golang framework

Local HTTPS development made easy

Deploy a Cloudflare Worker to sanely score users' new passwords with zxcvbn AND check for matches against haveibeenpwned's 7.8+ billion breached accounts

Secure HTTP client with SSL pinning for Nativescript - iOS/Android

A collection of hand-crafted bash scripts for various common tasks.

Mirrorbits is a geographical download redirector written in Go for distributing files efficiently across a set of mirrors.

CloudFlare Dynamic DNS client

Docker image to generate, renew, revoke RSA and/or ECDSA SSL certificates from LetsEncrypt CA using certbot and acme.sh clients in automated fashion

Java ACME Client application

CLI utility managing CloudFlare services using CloudFlare API

A client implementation for the Automated Certificate Management Environment (ACME) protocol

wolfSSL (formerly CyaSSL) is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3!

Script for dynamically updating a CloudFlare DNS record. (Deprecated)

🚩 自动更新域名解析到本机IP(支持dnspod,阿里DNS,CloudFlare,华为云,DNSCOM...)

📦 Package configurations - The #1 free and open source CDN built to make life easier for developers.

Internationalized Domain Names for Python (IDNA 2008 and UTS #46)

A web proxy in Golang with amazing features.

A mirrored repository

Files to automate the deploy of letsencrypt certificates to Zimbra

iOS network debugging, like a wizard 🧙‍♂️

Domain name permutation engine written in Go