Open-source alternatives to Warpgate

Kimai is an open-source time tracking system that records employee working hours, manages absences, and generates professional invoices from recorded timesheets and expenses. It organizes all time records through a mandatory three-level hierarchy of customer, project, and activity, and supports project budget monitoring with configurable time and money limits. The application is extensible through a plugin system that allows adding custom features, invoice templates, reporting views, and dashboard widgets without modifying core files. It provides a RESTful JSON API for programmatic read and w

Flagsmith is an open-source platform for managing feature flags and remote configuration across web, mobile, and server applications. It provides a comprehensive REST API for programmatic management of flags, segments, and identities, and can be deployed on private infrastructure for secure, compliant feature flag management with full operational control. The platform distinguishes itself through a server-side flag evaluation engine that resolves segments, traits, and percentage rollouts per request, alongside a multivariate flag variant system supporting multiple typed values with configurab

Velociraptor is a digital forensics and incident response platform, endpoint detection and response system, and visibility tool. It provides a query engine and remote forensic collector used to hunt for indicators of compromise and perform triage across a fleet of hosts. The system is distinguished by its specialized query language for interrogating host state and parsing binary files. It features a notebook environment that combines markdown documentation with executable query cells to standardize investigative workflows and enable collaborative reporting. The platform covers a wide range o

Romm is a self-hosted game library manager and ROM management web interface. It serves as a central server for storing and categorizing game files and emulator firmware, providing a web-based browser to organize collections through automated library scanning and metadata retrieval. The project distinguishes itself by integrating a web-based emulator frontend that uses WebAssembly to play games directly in the browser. It further provides a game save synchronization server that uses SSH-based synchronization to transfer save states and progress between the server and registered handheld device

Space Station 14 is a C# multiplayer game and roleplay simulation framework. It is built upon an Entity-Component-System (ECS) game engine that separates logic into systems and data into components to manage complex entity interactions. The project functions as a grid-based physics simulator with a YAML data-driven prototype system for defining game objects. The project features a specialized 2D sprite rendering engine that maps server-side appearance data to client-side shaders. It implements a networking model with client-side prediction and dirty-flagged state synchronization to reduce inp

mcp-context-forge is a Model Context Protocol federation gateway that unifies diverse AI tool servers and APIs into a single consistent interface for discovery and execution. It acts as a centralized proxy that aggregates multiple servers and APIs, allowing AI agents to access and invoke a unified set of tools, prompts, and resources. The project distinguishes itself through a multi-protocol translation bridge that converts communication between standard I/O, SSE, gRPC, and REST to enable interoperability between disparate tool servers. It includes a comprehensive LLM evaluation framework for

Soft Serve is a self-hosted Git server that authenticates users via SSH public keys and provides a terminal-based user interface for browsing repositories, files, and commits. It stores repository data and configuration in either SQLite or PostgreSQL, and supports role-based access control with four permission levels for managing repository visibility and write access. The server can be deployed via Docker or managed as a systemd service, and supports webhook notifications for push, collaborator, and branch or tag events to integrate with external automation workflows. It also enables server-

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

Grist is a relational spreadsheet platform that combines the flexibility of a spreadsheet with the power of a relational database. At its core, it manages structured data across multiple linked tables, using a relational database engine to organize information while providing a familiar grid interface. The platform supports Python-based formulas for complex calculations and data transformations, with automatic recalculation when referenced cells change. The system is designed for self-hosted deployment, storing data in either portable SQLite files or enterprise-grade PostgreSQL databases. It

OpenFGA is a fine-grained authorization server and policy decision point that implements relationship-based access control. It serves as a centralized authorization service for evaluating access requests and managing relationship tuples across distributed microservices and multi-tenant environments. The engine combines relationship graphs with attribute-based access control, using the Common Expression Language to evaluate dynamic runtime attributes and conditional access rules. It handles complex hierarchies and nested permissions by traversing chains of associations and parent-child links t

axe-core is an automated accessibility testing engine and compliance auditor designed to scan web and mobile interfaces for violations of industry accessibility standards. It functions as a programmatic scanner and linter that analyzes HTML and source code to identify barriers and verify compliance with accessibility guidelines. The project distinguishes itself by combining a DOM-based rule engine with computer vision and machine learning to detect complex violations that evade traditional analysis, such as visual heading discrepancies and informative images. It provides specialized capabilit

Warehouse is a Python Package Index implementation and distributed package registry. It serves as a central repository and web application for hosting, discovering, and distributing versioned Python software packages via a standardized API. The system functions as a multi-tenant package manager with a server implementation compatible with Python Package Index standards. It provides specialized infrastructure for software package hosting and an index for clients to discover and download specific library versions. The project incorporates comprehensive security and access control, including mu

The Snyk CLI is a command-line security scanner that detects known vulnerabilities across open-source dependencies, proprietary application code, container images, and infrastructure-as-code configuration files. It also serves as a platform management tool, allowing users to configure organizations, users, SSO, and reporting from the terminal rather than the web dashboard. The CLI integrates directly into development workflows, enabling scanning within IDEs, build pipelines, and version control systems. It implements static analysis with interfile data flow analysis to find complex security f

Davinci is a business intelligence and data visualization platform used for building interactive dashboards and reports. It functions as a SQL-based dashboard builder and multi-tenant analytics service that connects to databases via JDBC and CSV files to transform raw data into visual components. The platform is distinguished by its granular security model, which includes row-level and column-level permissions integrated with LDAP and OAuth2 authentication. It also provides an embedded visualization tool that allows secure, parameterized charts and dashboards to be inserted into external appl

Dockhand is a multi-host Docker manager and container management interface used to control the lifecycle of containers, images, volumes, and networks. It functions as a Docker Compose orchestrator and GitOps deployment tool, enabling the synchronization of application stacks directly from remote Git repositories. The project distinguishes itself as an enterprise Docker access controller, providing role-based access control and identity verification through OIDC, LDAP, and multi-factor authentication. It secures sensitive data using AES-256-GCM encryption for credentials at rest and handles na

Boundary is an identity-aware access proxy and privileged access management tool. It brokers secure network connections to infrastructure targets by mapping verified user identities to granular permissions, providing a gateway to servers and databases without the need for static credentials or VPNs. The system distinguishes itself through just-in-time connectivity and automated credential injection, delivering short-lived secrets to users during session initialization. It implements a composable security model using allow-only role-based access control and hierarchical resource scoping to iso

This project is a self-hosted enterprise wiki platform designed for teams to create, organize, and share documentation. It functions as a centralized knowledge management system that enables collaborative authoring through markdown syntax, allowing users to structure information within isolated departmental spaces and private team workspaces. The platform distinguishes itself through a focus on operational simplicity and administrative control. It is distributed as a single, self-contained executable binary, which streamlines deployment by eliminating complex runtime dependencies. To support

Jetstream is an application scaffold for Laravel that provides a pre-built identity system and team collaboration framework. It serves as a starter kit that integrates user authentication, profile management, and organizational tools into a unified project structure. The project is distinguished by its comprehensive team management capabilities, which include shared workspace organization, member invitation workflows, and role-based access control. It also features an integrated API token manager for issuing and controlling secure access tokens for external clients. The platform covers a bro

This is a pre-built Laravel application scaffolding that provides a ready-to-use administration interface with user, role, and permission management out of the box. It serves as a foundation for building backend applications, offering an authorization system that assigns and restricts user actions through roles and permissions using a dedicated package. The boilerplate includes a multilingual interface with over 20 built-in language translations and timezone-aware date display for global audiences. It also provides a two-factor authentication implementation that adds an extra security layer d

This project is an open-source identity provider and single sign-on platform that centralizes user authentication for multiple web applications and services. It functions as a multi-protocol authentication gateway, verifying user identities and issuing tokens through the CAS protocol as well as industry standards including SAML, OAuth2, and OpenID Connect. The system acts as a federated identity server, allowing authentication to be delegated to external third-party or corporate identity providers. It distinguishes itself through identity attribute governance, which manages which specific use

Jeesite is a full-stack low-code development framework designed for building enterprise administrative portals using Spring Boot, MyBatis, and Vue. It functions as a comprehensive platform for creating administrative dashboards with integrated role-based access control and organizational data permission systems. The framework distinguishes itself through a combination of automated CRUD code generation and an integrated RAG platform that connects large language models to enterprise data via vector stores. It further incorporates a BPMN-based workflow engine to automate complex business process

This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis

Casdoor is a centralized identity and access management platform that functions as an OAuth 2.0 authorization server. It provides a comprehensive suite of services for managing user identities, authentication sessions, and access policies across both web and machine-to-machine applications. Built with a decoupled frontend-backend architecture in Go, the platform supports high-concurrency environments and offers a web-based management interface for administrative tasks. The platform distinguishes itself through its extensive support for federated identity management, allowing integration with

Teleport is a zero-trust access platform designed to provide secure, identity-based connectivity to servers, databases, and Kubernetes clusters. It functions as a centralized gateway that replaces static credentials with short-lived, identity-bound cryptographic certificates, effectively eliminating the need for traditional VPNs and long-term secret exposure. The platform distinguishes itself by orchestrating access through a unified control plane that maps external identity provider claims to granular, role-based infrastructure permissions. It enforces security through mutual TLS gateways an

Gauzy is an open business management platform and multi-tenant enterprise resource planning system. It provides a modular business framework designed to manage core organizational operations through a unified web interface or as a headless business API. The platform is distinguished by its integration with the Model Context Protocol, allowing it to act as a server that exposes business data and system functions as tools for AI assistants. It utilizes a dynamic plugin architecture and a dedicated marketplace to extend core business entities and services. The system covers a broad range of ope

Devtron is a Kubernetes management platform and CI/CD orchestrator designed to unify application lifecycles and infrastructure operations across multiple clusters from a single interface. It serves as a centralized dashboard for orchestrating workloads, managing security, and providing observability for Kubernetes environments. The platform distinguishes itself with a no-code workflow engine for automating container builds and software delivery pipelines, alongside a visual GitOps deployment tool for managing declarative applications and reconciling configuration drift. Its capability surfac

Kanboard is a self-hosted Kanban project management tool and productivity suite designed for tracking software tasks and team collaboration. It provides a visual system for managing workflows through the use of boards, columns, and cards. The project features an extensible plugin framework and a comprehensive API for programmatic task and project administration. It includes specialized identity management through LDAP integration, allowing for the synchronization of user accounts and group permissions from directory servers. The system covers a wide range of capabilities, including event-dri