1.schollz / croc
Easily and securely send things from one computer to another :crocodile: :package:
- file-sharing
- tcp
- golang
- peer-to-peer
- data-transfer
- pake
- +1 more
Ranked by Attention Score: stars gained over the last 180 complete days
1–100 of 319 by Attention Score · May 8, 2026 – Nov 3, 2026 (UTC)
Easily and securely send things from one computer to another :crocodile: :package:
A terminal for a more modern age
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Hysteria is powerful, lightning-fast, and censorship-resistant open-source proxy software
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
Portable file server with accelerated resumable uploads, dedup, WebDAV, SFTP, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file
The Cloud Native Application Proxy
SpotX patcher used for patching the desktop version of Spotify
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
Docker container for managing Nginx proxy hosts with a simple, powerful interface
VPN client in a thin Docker container for multiple VPN providers, written in Go, and using OpenVPN or Wireguard, DNS over TLS, with a few proxy servers built-in.
Grab your own sweet-looking '.is-a.dev' subdomain.
📻Free and open-sourced terminal/ssh/sftp/ftp/telnet/serialport/RDP/VNC/Spice client(Linux, Mac, Windows, Android, HarmonyOS, iOS)
An email and SMTP testing tool with API for developers
A scalable overlay networking tool with a focus on performance, simplicity and security
🔒 Consolidating and extending hosts files from several well-curated sources. Optionally pick extensions for porn, social media, and other categories.
A platform for building proxies to bypass network restrictions.
一款内网综合扫描工具,方便一键自动化、全方位漏扫扫描。(An intranet comprehensive scanning tool, enabling one-click automated, all-round vulnerability scanning)
Low code web framework for real world applications, in Python and Javascript
A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.
A curated list of awesome search engines useful during Penetration testing, Vulnerability assessments, Red/Blue Team operations, Bug Bounty and more
A terminal for the web
Simple and easy to use DDNS. Support Aliyun, Tencent Cloud, Dnspod, Cloudflare, Callback, Huawei Cloud, Baidu Cloud, Porkbun, GoDaddy, Namecheap, NameSilo...
Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.
⚡️ Streaming torrent client for the web
WireGuard VPN installer for Linux servers
🌸 Run LLMs at home, BitTorrent-style. Fine-tuning and inference up to 10x faster than offloading
get things from one computer to another, safely
Set up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS, Arch Linux and more
🕳 bore is a simple CLI tool for making tunnels to localhost
Let's Encrypt/ACME client and library written in Go
:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing
🔧 pyinfra turns Python code into shell commands and runs them on your servers. Execute ad-hoc commands and write declarative operations. Target SSH servers, local machine and Docker containers. Fast and scales from one server to thousands.
GO Simple Tunnel - a simple tunnel written in golang
A self-hosted BitTorrent indexer, DHT crawler, content classifier and torrent search engine with web UI, GraphQL API and Servarr stack integration.
Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord
A Rust port of shadowsocks
fsociety Hacking Tools Pack – A Penetration Testing Framework
tun2socks - powered by gVisor TCP/IP stack
A platform for building proxies to bypass network restrictions.
A collection of Linux Sysadmin Test Questions and Answers. Test your knowledge and skills in different fields with these Q/A.
Official frugal and native macOS Syncthing application bundle
A toolkit to make debugging iOS applications easier 🚀
♾ A Graph Visualization Framework in JavaScript.
Graph theory (network) library for visualisation and analysis
HTTP, HTTP2, HTTPS, Websocket debugging proxy
Self-hosted downloader and player for YouTube, Bilibili, Twitch, MissAV, and yt-dlp sites. Features channel subscriptions, auto-downloads, and local storage for media. Organize your library into collections with a sleek UI. Includes built-in Cloudflare Tunnel support for secure remote access without port forwarding. Docker-ready deployment.
A production-ready QUIC implementation in pure Go
SpeedTest by OpenSpeedTest™ is a Free and Open-Source HTML5 Network Performance Estimation Tool Written in Vanilla Javascript and only uses built-in Web APIs like XMLHttpRequest (XHR), HTML, CSS, JS, & SVG. No Third-Party frameworks or libraries are Required. Started in 2011 and moved to OpenSpeedTest.com dedicated Project/Domain Name in 2013.
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
:zap: KCP - A Fast and Reliable ARQ Protocol
OpenVPN road warrior installer for Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora
Malicious traffic detection system
Run Claude Code natively on Android via Termux or AVF (Android Virtualization Framework) -- no desktop, no SSH, no root required.
Network logger for Apple platforms
Feature-rich single-binary file server for red teamers and developers. HTTP/S · WebDAV · FTP/SFTP · SMB · LDAP/S · NTLM hash capture · DNS/SMTP callbacks · TLS · Auth · Share links. A powerful python3 -m http.server replacement.
Simple peer-to-peer with WebRTC.
HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.
A toolkit for developing high-performance HTTP reverse proxy applications.
Keep passwords and other sensitive information out of your chat logs and inboxes.
MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.
State Management and Multiplayer Networking for Turn-Based Games
A speed test analysis software that shows your internet speed for up to 30 days
Automated Nginx Reverse Proxy for Docker
SSH server & client security auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
Monorepo for StartOS, StartWRT, StartTunnel, start-sdk, start-docs, start-cli, start-registry, patch-db, and various shared libraries
📧 Easy to use, yet comprehensive library for sending mails with Go
Esoteric Programming Language
Self-hosted version of webtor.io implemented as an all-in-one Docker image
❤️ Streaming torrent app for Mac, Windows, and Linux
Scriptable local traffic workbench for inspecting, intercepting, replaying, and rewriting HTTP/HTTPS and WebSocket traffic.
A cross-platform .NET library for IMAP, POP3, and SMTP.
Easy and fast file sharing from the command-line.
An unobtrusive and user-friendly desktop application for IPFS on Windows, Mac and Linux.
MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.
A private network system that uses WireGuard under the hood.
High level asynchronous concurrency and networking framework that works on top of either Trio or asyncio
A fast, highly extensible, and event driven SMTP server
🧙 Valtio makes proxy-state simple for React and Vanilla
A small set of tools to convert packets from capture files to hash files for use with Hashcat or John the Ripper.
SwiftUI sample app using Clean Architecture. Examples of working with SwiftData persistence, networking, dependency injection, unit testing, and more.
The fully compliant, embeddable high-performance Go MQTT v5 server for IoT, smarthome, and pubsub
Lightning Network Daemon ⚡️
The missing reverse proxy for ssh scp
Peer-to-peer hypermedia protocol
Easy P2P file transfer powered by WebRTC - inspired by Apple AirDrop
nghttp2 - HTTP/2 C Library and tools
A crypto-secure Reliable-UDP library for Golang with FEC support.
A deployment automation tool built on Ruby, Rake, and SSH.