Projects sharing features with Portmaster

ntopng is a web-based network traffic monitoring tool and flow data aggregator. It functions as a network security monitor, an SNMP network management system, and an industrial protocol analyzer for OT and SCADA environments. The system provides specialized inspection for industrial protocols such as Modbus, DNP3, and IEC 60870. It distinguishes itself through behavioral threat detection, encrypted traffic analysis via handshake fingerprinting, and the ability to identify hardware and operating systems using DHCP and MAC address patterns. Its broader capabilities include real-time traffic an

bandwhich is a command-line network utility and terminal bandwidth monitor designed for real-time traffic analysis. It functions as a process-based traffic tracker that links network bandwidth usage directly to the system processes and remote hosts responsible for the data transfer. The tool provides a terminal user interface for monitoring active connections and identifying data-consuming applications. It performs background reverse DNS lookups to associate remote IP addresses with human-readable hostnames and tracks cumulative data utilization over the duration of a capture session. Its br

AdRules is a collection of ad-blocking rule sets and DNS filter lists designed to identify and block malicious domains, trackers, and PCDN services. It functions as a DNS sinkhole filter and a malware domain blocklist used by DNS servers and network proxies to stop advertisements and harmful content from loading. The project provides regional network optimization, utilizing rule sets tailored to specific geographic regions, languages, and mobile device conditions to target local advertising networks. The system covers DNS traffic filtering and malware domain blocking through suffix-based dom

LuLu is an open-source application firewall designed for macOS that monitors and controls outgoing network traffic. It functions by intercepting connection attempts at the system level, allowing users to approve or deny network access for individual programs to prevent unauthorized data transmission. The software provides granular control over application-level communication, ensuring that only trusted or explicitly permitted software can establish external connections. By maintaining stateful tracking of network flows and validating the cryptographic signatures of requesting binaries, it pro

Gluetun is a Docker VPN client gateway that routes network traffic from other containers through secure WireGuard or OpenVPN tunnels. It serves as a network gateway to mask origin IP addresses and provides a firewall kill switch that blocks all outbound traffic unless it is destined for the active VPN server. The project supports multiple commercial VPN providers and can maintain several simultaneous connections using custom configuration files. It includes an integrated proxy server stack hosting SOCKS5, HTTP, and Shadowsocks servers to tunnel TCP and UDP traffic. Security is managed throug

This project is a comprehensive repository of curated domain blocklists designed for network-wide DNS filtering. It functions as a DNS sinkhole feed, providing the necessary data to intercept and block unwanted network requests at the resolution layer before they reach their destination. By returning null or loopback addresses for identified domains, it prevents connections to malicious infrastructure, advertising servers, and tracking endpoints across all devices on a network. The repository distinguishes itself through a tiered categorization logic that allows users to select protection lev

Surge is a network traffic routing and configuration system designed to categorize and steer network requests using curated rule sets, domain lists, and IP databases. It provides the data structures and filtering logic necessary to manage how application traffic is directed across proxies, direct connections, or regional gateways. The project distinguishes itself through granular traffic identification and steering. It identifies network requests by matching them against system process names, user-agent strings, and geographic IP ranges to apply specific routing policies. This allows for the

This project is an ad-blocking filter list and DNS blocklist collection designed to prevent advertisement and tracking servers from loading content across devices. It functions as a network-layer ad filter by providing a curated set of domain patterns and URLs that network components use to block known advertising and big data statistics domains. The collection focuses on privacy-focused domain filtering to stop the unauthorized collection of personal information and user tracking. It identifies and blocks domains associated with telemetry, analytics, and log collection to prevent the upload

This project provides a system-wide content filtering utility that controls network traffic by redirecting domain resolution requests to local null addresses. By mapping unwanted hostnames to these addresses at the operating system level, it effectively blocks connections to advertising, tracking, and malicious domains across all applications on a machine. The core of the system is a data-driven build pipeline that aggregates multiple curated source lists into a single, unified configuration file. This process is highly customizable, allowing users to employ declarative filtering logic throug

Mizu is a suite of tools for capturing, indexing, and visualizing cloud-native network traffic and decrypted payloads for cluster-wide diagnostics. It provides Kubernetes network observability by using eBPF to index and visualize layer 4 and layer 7 traffic with full cluster context, allowing for the mapping of workload dependencies and the diagnosis of network failures. The project distinguishes itself by using kernel-level hooks to decrypt TLS traffic in plain text without requiring private keys. It further integrates a standardized context protocol to expose indexed network telemetry to AI

uBlock is a browser content blocker and web privacy tool designed to prevent advertisements and tracking scripts from loading. It functions as a network request filter, a DOM element hider, and a script execution controller to manage how web pages load and render. The project distinguishes itself through a combination of network-level request interception and cosmetic filtering. It uses declarative filter lists and pattern-based matching to block trackers and pop-ups, while employing CSS selectors and wildcard entity matching to remove visual components across multiple regional domain variant

This application is a desktop network traffic analyzer that provides real-time monitoring and forensic inspection of data packets. By interfacing directly with low-level system drivers, it captures raw network traffic from physical or virtual adapters to identify communication patterns, track bandwidth usage, and diagnose connectivity issues. The system distinguishes itself through an immediate-mode graphical interface that rebuilds the display state every frame, ensuring high responsiveness during live data updates. It maintains performance by using asynchronous message passing to decouple t

TrafficMonitor is a system performance monitor that provides a floating desktop window and taskbar overlay to track real-time CPU, memory, and network speed metrics. It functions as a customizable system overlay and hardware resource tracker, displaying live statistics and user-defined data through transparent desktop widgets. The project uses a plugin-based system and dynamic-link libraries to extend data sources and add new hardware tracking capabilities. It includes a theme engine that reads external configuration files to apply custom skins, fonts, and background colors to the interface.

This project is a network security tool providing an application network firewall, a DNS blocklist manager, and a VPN client with multi-hop capabilities. It functions as a traffic controller that allows or blocks internet access for specific applications on a device. The system distinguishes itself through a DNS-over-HTTPS firewall and traffic obfuscation tools that inject random packets to mask communication patterns and bypass regional internet censorship. It utilizes multi-hop routing to hide the origin of network traffic by chaining connections through multiple remote servers. The softwa

This project is a comprehensive network traffic orchestrator and server infrastructure manager designed to provide centralized control over secure tunneling, routing, and security policies. It functions as a web-based dashboard that enables administrators to deploy and maintain network services, enforce access restrictions, and manage traffic flow through a private server environment. The platform distinguishes itself by integrating advanced traffic anonymization and routing capabilities, including support for relay networks and secure tunnels to bypass regional restrictions. It provides gran

This project is a comprehensive, curated directory of cybersecurity resources, software, and documentation designed to support system and network protection. It serves as a centralized knowledge base and index for security professionals, aggregating industry-standard practices and open-source tools across a wide range of technical domains. The repository distinguishes itself by providing a structured collection of methodologies and frameworks for security operations. It covers critical areas including threat intelligence, digital forensics, infrastructure auditing, and vulnerability assessmen

This project is a curated directory and catalog of privacy-respecting software and security-focused services. It serves as a structured resource for finding alternatives to corporate services, focusing on tools that prioritize data sovereignty, end-to-end encryption, and user anonymity. The directory is maintained as a markdown-based resource list and rendered via a static site generator. It further extends its utility through a CORS-enabled public API and a JSON-based data schema, allowing the curated catalog of tools and providers to be retrieved programmatically. The collection covers a w

Pangolin is a zero-trust remote access platform designed to provide secure, identity-aware connectivity to private network resources. It functions as a cloud-native network controller that orchestrates encrypted tunnels, traffic routing, and access policies across distributed environments. By leveraging WireGuard for secure data transport, the platform enables authenticated access to internal web applications, terminal sessions, and remote desktops without exposing services to the public internet. The platform distinguishes itself through a declarative infrastructure model that synchronizes n

Neko is a virtual desktop infrastructure platform that provides containerized browser isolation and remote desktop environments. It enables users to host secure, ephemeral browser instances that can be accessed and managed through a standard web browser, ensuring consistent execution across different host systems. The platform distinguishes itself through its collaborative capabilities, allowing multiple users to view and interact with a single shared browser session in real time. It synchronizes keyboard, mouse, and gamepad inputs from multiple participants while providing integrated tools f

Clashfree is a network traffic routing platform designed to facilitate access to restricted online resources and digital services. It functions as a proxy configuration management tool that enables users to route internet traffic through encrypted tunnels, effectively bypassing regional access restrictions. The system provides a centralized way to manage network proxy connections and organize multiple routing profiles across various environments. The project distinguishes itself by providing automated subscription services that distribute daily updated proxy node lists and configuration files

The AWS Cloud Development Kit is an infrastructure-as-code framework that enables developers to define and provision cloud resources using familiar programming languages. By utilizing construct-based synthesis, it translates high-level, object-oriented code into declarative templates, allowing for the automated management of complex cloud environments through a centralized, code-driven control plane. The framework distinguishes itself through its ability to model infrastructure as a dependency-aware resource graph, ensuring that components are provisioned and updated in the correct order. It

ufw-docker is a network security tool and firewall manager designed to enforce UFW security policies on Docker container traffic. It functions as a Linux firewall orchestrator that modifies routing and filter rules to prevent container traffic from bypassing system firewall policies via iptables. The tool provides capabilities for isolated port exposure, allowing specific ports or protocols to be opened for containers without exposing them on the host machine. It also manages network subnet security for IPv4 and IPv6 through automatic detection and custom CIDR ranges. The system includes aut

This project is a Terraform Kubernetes provisioner and K3s cluster deployer designed to automate the installation and configuration of lightweight container orchestration on Hetzner Cloud infrastructure. It functions as a Hetzner Cloud infrastructure module, using declarative configuration to manage the full lifecycle of virtual machines, private networks, and load balancers. The orchestrator focuses on high availability by deploying redundant control planes and worker nodes across multiple physical data centers to ensure service continuity. It incorporates a cloud network security manager to

SmartDNS is a local recursive DNS resolver and server that manages granular query rules, dual-stack networking, and encrypted gateway proxying. It functions as a DNS traffic filter and DNS64 translator, allowing IPv6-only clients to communicate with IPv4 servers. The project distinguishes itself through parallel upstream querying, which sends requests to multiple servers simultaneously to return the response with the lowest network latency. It supports DNS server virtualization, enabling the operation of multiple independent server instances on different ports, each with its own configuration

Screenity is a browser-based screen recorder designed to capture screen activity and audio directly within a web browser. It functions as a privacy-focused capture tool that handles data locally and includes a web-based video editor for basic media refinement. The project distinguishes itself through real-time screen annotation tools, allowing users to draw shapes and arrows or zoom into specific areas during a recording. It also provides specialized privacy controls to blur sensitive information and apply backgrounds to camera feeds. The tool covers a broad range of media capabilities, incl

dnsmasq-china-list is a configuration generator and a set of DNS filter and routing lists. It converts curated domain lists into configuration files for dnsmasq to optimize regional name resolution and direct specific domain requests to regional servers. The project focuses on reducing latency and avoiding DNS hijacking for users in China by routing traffic through regional servers and directing requests to the nearest content delivery network nodes. It also provides rules to block malicious domains and advertisements by returning failure responses to prevent network injection. The system ma

This project is an adblock filter list aggregator and DNS blocklist generator. It merges multiple blocking rule sources into a single deduplicated set and processes these rules into formatted lists compatible with DNS servers, browser extensions, and network proxy tools. The system includes a domain resolvability validator that checks filter lists against global DNS services to remove unreachable or invalid domains. It also features a filter rule parser that extracts target domains and IP addresses from complex syntaxes while removing comments. The project covers rule aggregation, syntax-awa