Open-source alternatives to LinuxGSM

Sunshine is a self-hosted remote desktop and game streaming server designed to broadcast desktop environments and applications over a network. It functions as a host application that captures system display output and encodes it into low-latency video streams for transmission to remote client devices. The system distinguishes itself through hardware-accelerated media encoding, which utilizes graphics processor pipelines to compress high-resolution video in real time. To ensure interactive control, it performs virtual input emulation by translating remote controller and keyboard signals into n

NATS Server is a high-performance, lightweight messaging system designed for cloud-native applications, edge computing, and distributed microservices. It functions as a distributed publish-subscribe broker that routes messages using hierarchical, dot-separated subject strings, enabling decoupled communication between services without requiring centralized broker lookups. The system supports core messaging patterns including asynchronous publish-subscribe, request-reply, and load-balanced queue processing. The platform distinguishes itself through a decentralized architecture that eliminates t

This project is a service mesh platform designed to manage, secure, and observe service-to-service communication within Kubernetes clusters. It functions as a control plane that orchestrates transparent sidecar proxies, which intercept and manage network traffic to provide reliable connectivity for microservices. By automating the injection of these proxies, the platform ensures that infrastructure-level policies are applied consistently across all workloads without requiring manual configuration changes. The platform distinguishes itself through its focus on zero-trust security and cross-clu

Memcached is a high-performance, distributed, in-memory key-value storage and request routing engine. It functions as a volatile data store designed to accelerate dynamic applications by caching objects in RAM, thereby reducing backend database load and providing sub-millisecond response times. The system utilizes a specialized architecture that organizes memory into fixed-size slabs to minimize fragmentation and maximize throughput for high-concurrency workloads. The project distinguishes itself through a multi-threaded, lock-friendly design that scales across CPU cores and supports complex

Grav is a flat-file content management system that eliminates the need for a traditional database by storing site content and configuration in human-readable Markdown and YAML files. Built as a modular PHP web framework, it uses a hierarchical page routing system where the physical directory structure directly determines the site's URL paths. The platform is distinguished by its event-driven plugin architecture and a command-line interface that prioritizes system administration, deployment, and maintenance tasks. It utilizes a blueprint-driven system to generate administrative forms from stru

This project is a privacy-focused, self-hosted metasearch engine that aggregates results from a wide array of web, academic, and media sources into a single, unified interface. By acting as a proxy between the user and external search providers, it strips identifying headers and tracking parameters from requests, ensuring that search activity remains anonymous and protected from third-party profiling. The platform distinguishes itself through a modular, plugin-based architecture that allows for extensive customization of search behavior, result filtering, and interface branding. It supports a

MCSManager is a game server management panel and multi-node server manager that provides a centralized web interface for deploying, monitoring, and controlling multiple game server instances across distributed physical or virtual machines. It functions as a Docker game server orchestrator, enabling the execution of servers within isolated containers to simplify deployment and environment scaling. The system distinguishes itself through a customizable self-hosted dashboard featuring drag-and-drop layouts and the ability to embed custom HTML and JavaScript components. It provides real-time term

Agones is a Kubernetes game server orchestrator designed for deploying, scaling, and managing dedicated multiplayer game server processes across a distributed cluster. It provides the core infrastructure needed to provision individual or grouped server processes to support real-time multiplayer gaming sessions. The system includes a fleet manager to automate the lifecycle of server groups based on player demand and a health monitor to track the connectivity and operational status of active processes. It integrates with cluster autoscalers to synchronize server resource requirements with cloud

Supervisor is a process control system for Unix environments that ensures background processes remain running by automatically restarting them if they crash or exit. It functions as a daemon manager that provides a centralized way to start, stop, and monitor the lifecycle of long-running background tasks. The system utilizes a client-server architecture to control multiple processes through a command line interface. This allows for the orchestration of system services and background daemon control without requiring manual shell intervention. The tool covers application process supervision an

Dokploy is a self-hosted platform-as-a-service designed to simplify the deployment and management of containerized applications and databases. It provides a centralized control plane that decouples administrative management from application workloads, allowing users to oversee infrastructure across multiple server nodes through a unified web interface or a command-line tool. The platform distinguishes itself through an extensive library of pre-configured application templates, enabling the rapid deployment of databases, identity providers, and various productivity or development tools. It sup

RavenDB is a multi-model NoSQL document database designed for high-performance, ACID-compliant data storage. It persists structured information as schema-flexible JSON documents and utilizes a unit-of-work session pattern to track entity changes and batch modifications into atomic transactions. The platform is built on a distributed architecture that supports horizontal scaling through sharding and ensures high availability via multi-node, master-to-master cluster replication. The database distinguishes itself through a self-optimizing query engine that automatically creates and maintains ind

all-in-one is a containerized deployment system designed to install and manage a complete suite of productivity and collaboration services. It functions as a cloud suite deployer that orchestrates the installation of a self-hosted content platform, incorporating necessary dependencies via Docker or Kubernetes. The project distinguishes itself by providing a web-based dashboard for orchestrating, updating, and monitoring the lifecycle of service containers. It also serves as a local AI inference server, enabling the execution of generative text models, image diffusion, and speech processing on

Syncthing macOS is a native application bundle that wraps the Syncthing binary to provide decentralized, peer-to-peer file synchronization on macOS. It enables bidirectional data replication across multiple devices using a block exchange protocol, allowing files and folders to stay consistent without relying on a central cloud server. The project distinguishes itself by integrating the cross-platform synchronization engine into the macOS environment as a background service. It provides a system tray interface for quick access to the management GUI and supports automatic application startup th

Inngest is a durable execution framework and event-driven automation engine designed to orchestrate background workflows. It enables developers to build resilient, stateful processes by memoizing function steps, ensuring that long-running tasks can automatically resume from the last successful operation after failures, timeouts, or infrastructure restarts. The platform distinguishes itself through its event-driven architecture, which uses a schema-validated bus to trigger functions and coordinate complex, multi-step logic. It employs an onion-model middleware approach for cross-cutting concer

Tasmota is a universal firmware platform for ESP8266 and ESP32 microcontrollers, designed to provide local control and management of smart home hardware. It functions as an event-driven automation controller that replaces proprietary factory firmware, allowing users to manage relays, sensors, and lighting systems without relying on external cloud services. The system is built on a modular driver architecture that enables dynamic hardware configuration and peripheral support through a web-based management interface. The platform distinguishes itself through a template-driven hardware mapping s

This project is a Python-based proxy pool manager that collects, validates, and serves free proxy IP addresses through an HTTP API. It consists of an automated scraper to gather addresses from multiple online sources, a persistent database-backed store for organization, and a delivery interface for retrieving validated proxies. The system features a pluggable scraper architecture that allows for the integration of custom discovery methods and source expansion via generator functions. It employs decorator-based validation logic, enabling the definition of custom connectivity and HTTPS criteria

Hazelcast is a distributed data platform that combines an in-memory data grid with a stream processing engine to support real-time analytics and event-driven applications. It functions as a partitioned, distributed key-value store that replicates data across cluster nodes to provide low-latency access and high availability. The platform also serves as a distributed SQL query engine, allowing users to execute standard SQL statements against both in-memory datasets and external data sources. What distinguishes Hazelcast is its use of a distributed consensus subsystem to maintain strongly consis

Lightweight Source RCON client that works on Windows, macOS, & Linux.

A monolithic lancache service capable of caching all CDNs in a single instance

RCON client for executing queries on game server.

A free, open source server hosting tool for Minecraft and other multiplayer games

This project is a game server management panel and multi-user administration tool. It provides a centralized web interface and orchestrator for deploying, configuring, and monitoring game servers running inside isolated Docker containers. The system manages the full lifecycle of server instances, from mapping network allocations and IP addresses to enforcing resource limits through containerization. It includes a hosting dashboard for handling server backups via local or cloud storage and a control plane for remote-agent communication with server nodes. Administrative capabilities cover role

PufferPanel is an open source game server management panel, designed for both small networks and personal use

Admin, ban, and comms management system for the Source engine

Kubek - Web Minecraft servers dashboard

This project is a World of Warcraft server emulator that simulates a multiplayer online game world, managing player data and game logic. It functions as a modular game server framework and an NPC AI and scripting engine, providing the necessary infrastructure to host a persistent virtual environment. The system is distinguished by a modular framework that allows for the extension of core engine behavior through isolated modules and function hooks without modifying the source code. It includes a structured SQL data layer for managing authentication, character states, and world environment sett

light-4j is a Java microservices framework designed for building scalable distributed systems. It provides a toolkit for developing cloud-native services with integrated support for service discovery, telemetry, and secure inter-service communication. The project includes a runtime OpenAPI request validator to ensure communication consistency by checking data against formal specifications. It also features an OAuth2 API security gateway for verifying identity tokens and managing credentials, alongside an event-sourcing messaging system for building command query responsibility segregation arc