Open-source alternatives to Rethink App

This project provides a containerized DNS sinkhole and network-wide traffic filtering solution. It functions as a central network resolver that intercepts domain queries, allowing users to block advertisements, trackers, and malicious domains by returning null responses to connected devices. The platform distinguishes itself through its integrated DHCP server and comprehensive management capabilities, which allow for automated IP address allocation and granular control over network traffic. It supports complex filtering through regular expression matching, hierarchical rule prioritization, an

DnsServer is a recursive and authoritative DNS server that provides domain name resolution and zone hosting. It functions as both a recursive resolver, performing iterative lookups across the internet, and an authoritative manager for primary and secondary DNS zones. The system distinguishes itself through high-availability clustering and a programmable HTTP API for automating server configurations and bulk record management. It supports a wide range of encrypted transport protocols, including TLS, HTTPS, and QUIC, and allows for custom functionality via a plugin-based request interception fr

This project is a centralized management interface and orchestrator for deploying censorship circumvention protocols and stealth proxies. It functions as a network censorship bypass tool that routes traffic through encrypted communication protocols to avoid internet firewalls and regional blocks. The system distinguishes itself through a multi-protocol VPN manager and an automated proxy server orchestrator that handles software updates and system backups. It utilizes content delivery networks to mask origin server identities and implements encrypted DNS over HTTPS to prevent DNS poisoning and

This project is an OpenWrt proxy client and network traffic orchestrator designed to tunnel internet traffic through remote proxy nodes. It functions as a system for managing proxy subscriptions, preventing DNS leaks, and directing traffic flow via an automatic failover gateway. The software distinguishes itself through a subscription manager that imports and synchronizes remote server lists via URLs and QR codes. It features device-specific access controls that allow the application of unique proxy rules, domain whitelists, and time-based schedules to individual network devices. The capabil

This project is a privacy-focused VPN manager and WireGuard client application designed to establish encrypted tunnels that mask user IP addresses and activity. It focuses on maintaining anonymity through a system that supports account creation without personal identifying information. The application distinguishes itself with advanced privacy tools, including a multi-hop orchestrator for routing traffic through multiple sequential servers and a network traffic obfuscator that uses Shadowsocks, TCP, and QUIC to bypass deep packet inspection and censorship. It also implements quantum-resistant

This project is an ad-blocking browser extension that filters web requests and page content to remove advertisements and tracking scripts from websites. It functions as a web content filter, a privacy protection tool, and an element hiding utility. The extension distinguishes itself through a combination of a rule-set evaluation engine and a manual element hiding utility, allowing for the removal of visual clutter and the customization of website layouts. It also provides security through malicious site blocking and adult content restriction. The broader capability surface includes web track

uAssets is the curated collection of filter lists that powers uBlock Origin’s ad blocking, anti‑adblock circumvention, and privacy‑tracking protection capabilities. It serves as the upstream repository of rule sets for the uBlock Origin browser extension, storing precompiled filters in the Adblock Plus syntax and organising them into categorized groups for selective activation. The repository distinguishes itself with a maintenance architecture designed for efficiency and reliability. Filter lists are revision‑versioned and delivered via a differential patch mechanism that transmits only chan

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 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 provides a set of curated configuration rules and domain lists for the Shadowrocket app. It consists of network traffic routing rules, ad-blocking domain lists, DNS configuration profiles, and proxy bypass lists used to filter and direct network traffic. The rules establish policy-based routing logic to determine whether specific traffic is proxied, connected directly, or rejected. This includes specialized lists for proxy bypass management and the blocking of known advertising and tracking domains at the network level. The project covers a broad range of traffic management capa

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

Shadowrocket is a proxy client application for mobile devices that functions as a multi-protocol proxy manager and a rule-based traffic router. It acts as a programmable network gateway, utilizing a virtual network interface to route system-level traffic through secure tunnels. The project distinguishes itself through a programmable environment that executes JavaScript scripts and modules to automate DNS resolution and handle complex network request logic. It further provides an HTTPS traffic inspector capable of decrypting encrypted traffic using custom certificates to modify headers and rew

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

Adblock4limbo is a collection of JavaScript-based scripts and tools designed for web content filtering and advertisement blocking. It functions as a content filter and user script suite that removes pop-ups, banners, and trackers from websites. The project includes a bilingual web translator for side-by-side content translation, an M3U8 video link extractor for retrieving direct stream URLs, and a web content filter specifically designed to remove sponsored links and content farm entries from search engine results. Its capabilities extend to network traffic management, including request filt

Ligolo-ng is a network tunneling framework and control server designed for managing remote agents and coordinating network routing. It functions as a reverse tunneling proxy and a site-to-site VPN tool, utilizing a userland TUN interface to pivot network traffic through remote agents. The project distinguishes itself by using a TUN interface routing system to forward TCP, UDP, and ICMP traffic through multiple remote agents. It implements a C2 model where a central server manages remote agents to bypass firewall restrictions and provide direct subnet access to isolated networks. The system c

Algo is a cloud VPN deployment tool and WireGuard orchestrator designed to automate the provisioning and configuration of personal VPN servers across multiple cloud infrastructure providers. It functions as a multi-cloud infrastructure provisioner and a VPN client configuration generator, creating the necessary tunnels and connection profiles for secure device connectivity. The project distinguishes itself by integrating a network ad-blocking DNS server directly into the deployment, filtering advertisements and malicious domains for all connected clients. It further simplifies the onboarding

AdAway is an Android network firewall and DNS traffic filter that functions as a local VPN ad blocker. It intercepts network requests to prevent advertisements and tracking domains from reaching the device by filtering traffic against host lists. The project features a host file manager capable of importing and converting blocklists from external third-party providers. It includes a system for managing both blocked and allowed domains, allowing for the creation of custom rules to permit specific trusted sites or block individual domains. The tool provides granular traffic control through app

AdGuardHome is a network-wide software solution that provides centralized control over domain name resolution, content filtering, and local network management. It functions as a recursive DNS server and DHCP address server, intercepting network traffic to enforce security policies and block unwanted content across all connected devices. By acting as a central gateway, it ensures that every device on a home or office network benefits from consistent protection and private, authenticated name resolution. The software distinguishes itself through granular client management and robust security fe

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

This project is a serverless DNS resolver and DNS over HTTPS gateway that translates domain names into IP addresses. It functions as an edge computing DNS filter designed to encrypt queries, prevent tampering, and improve user privacy on browsers and mobile devices. The system distinguishes itself by operating as an edge DNS traffic monitor that logs and analyzes request patterns in real time. It utilizes curated blocklists at the network edge to block malicious domains and trackers. The software provides capabilities for private DNS filtering, network traffic monitoring, and the management

ACL4SSR is a rule set generation and conversion system that produces ready-to-use proxy configuration files for multiple client formats, including Clash, Quantumult, Surge, Surfboard, and Trojan. It combines modular rule fragments from a curated library, applies user-defined overrides, and filters traffic by domain category or geo-IP to produce optimized routing configurations. The project distinguishes itself through its format-agnostic conversion pipeline, which transforms proxy rule sets between different client formats using external open-source converters as a middleware layer. It provid

Merlin is a cross-platform command and control framework and remote access tool. It provides a server and agent system for post-exploitation coordination, utilizing an HTTP/2 framework for secure communication and the execution of commands across multiple operating systems. The project features an in-memory code execution engine that runs assemblies and shellcode directly within a process to avoid writing files to disk. It implements a decentralized communication architecture through a peer-to-peer network, allowing agents to exchange data via direct bind or reverse connections. To evade det

Portmaster is a host-based network firewall and privacy tool that monitors and controls all system network traffic. It operates by intercepting data packets at the operating system level, allowing it to observe and manage every connection made by local software in real time. The software distinguishes itself through process-aware connection mapping, which correlates active network sockets with specific local applications to provide visibility into data transfers. It utilizes a user-space policy engine to enforce granular security rules, enabling users to restrict internet access, block specif

This project provides an open-source VPN client that creates an unrestricted tunnel to bypass internet censorship without fees, registration, speed caps, or data limits. It offers free, unlimited VPN tunneling with no sign‑up required, enabling access to blocked websites and unrestricted browsing. The application uses the WireGuard protocol for encrypted traffic routing, backed by kernel‑level packet forwarding to minimize overhead. It includes automatic server discovery that selects the most responsive server based on real‑time latency, a connection keepalive mechanism to detect and restore

This project is a configuration guide and manual for bypassing internet censorship. It provides instructions for installing and configuring proxy software to route network traffic through secure nodes to access restricted web content. The guide focuses on proxy server configuration, including tutorials for importing remote server settings via formatted URLs and managing node-based connections. It covers the setup of secure network tunnels and the activation of proxy servers to bypass local network filters. The material covers network traffic routing, including the use of global and automatic

dnscrypt-proxy is an anonymizing DNS proxy and encrypted DNS resolver. It acts as a local DNS forwarder that secures internet lookups by wrapping standard DNS queries in encrypted tunnels using the DNSCrypt and DNS-over-HTTPS protocols to prevent eavesdropping and tampering. The project provides network privacy protection by routing DNS requests through anonymized relays to obfuscate the client's original IP address. It further distinguishes itself through traffic management capabilities, such as mapping specific domains to designated resolvers and distributing queries across multiple servers