Repository Index

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

• email-marketing
• mail
• mailserver
• email

The modern API client that lives in your terminal.

• automation
• cli
• developer-tools
• http

eBPF-powered network observability for Kubernetes. Indexes L4/L7 traffic with full K8s context, decrypts TLS without keys. Queryable by AI agents via MCP and humans via dashboard.

• kubernetes
• golang
• rest
• grpc

Netmaker makes networks with WireGuard. Netmaker automates fast, secure, and distributed virtual networks.

• wireguard
• vpn
• mesh
• zero-trust

An email and SMTP testing tool with API for developers

• email-testing
• go
• golang
• smtp-server

tun2socks - powered by gVisor TCP/IP stack

• golang
• tun2socks
• socks5
• gvisor

Self-hostable workflow orchestrator for teams whose main work isn't orchestration. Declarative YAML over your scripts, SSH commands, containers, etc; keep workflows separate from business logic. One binary, no database, runs on limited H/W resources. Alternative to Airflow / Cron / Job Scheduler.

• cron
• workflow-engine
• workflow-scheduler
• workflow-orchestration

Bulk port forwarding Kubernetes services for local development.

• kubernetes
• devtools
• developer-tools
• networking

:computer: make your ssh client smarter

• ssh
• proxy
• config-management
• config

Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

• api-simulation
• golang
• proxy
• mitm

:computer: Get seamless remote access to any Linux device. Centralized SSH for the edge and cloud computing

• ssh
• iot
• linux
• ssh-tunnel

:tophat: simple, fun and transparent SSH (and telnet) bastion server

• ssh
• ssh-server
• bastion
• devops

Bulk domain availability checking via RDAP, DNS, and WHOIS, with prefix/suffix permutations, regex patterns, MCP, and multiple output formats

• cli
• developer-tools
• domain
• golang

KubeVPN offers a Cloud Native Dev Environment that connects to kubernetes cluster network.

• kubernetes
• network
• tunnel
• envoy

Your dev tool to manage /etc/hosts like a pro!

• cli
• etchosts
• golang
• dns

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.

• golang
• http-server
• https-server
• ctf

Zero-config, pure-Go HTTP request visualizer & debugger for local Go web development.

• golang
• logging
• networking
• opentelemetry

The management of multiple apps running over different ports made easy

• proxy
• tools
• golang
• proxy-server

🐸 Effortless persistent SSH tunnels with embedded server for seamless connectivity

• ssh
• ssh-tunnels
• golang
• reverse-shell

🔐 Library for developing secure, decentralized, anonymous and quantum-resistant networks in Go language

• network
• anonymity
• golang
• library

A secure, efficient TCP/UDP tunneling solution that delivers fast, reliable access across network restrictions using pre-established TCP/QUIC/WebSocket or HTTP/2 connections.

• api-rest
• connection-pooling
• cybersecurity
• devops

Chrome DevTools Protocol Proxy - intelligent proxy for debugging purposes

• chrome
• chrome-devtools
• chromedriver
• chrome-browser

A Go library to simplify the use of SSH for devops

• ssh
• golang
• devops

SMTP mock server written on Golang. Mimic any 📤 SMTP server behavior for your test environment with fake SMTP server.

• smtp
• smtp-mock
• smtp-server
• smtp-mail