Free open source alternatives for Linux

Browse free and open source software that runs on Linux. Find open-source alternatives, compare features, platforms and pricing, and pick the right Linux tool for you.

Agenta

Key features Build, evaluate, and improve AI agents and LLM applications in a single collaborative platform. Manage prompts with versioning and organization tools for LLM workflows. Run evaluations to test and compare AI agent and LLM outputs. Gain observability into LLM application behavior and performance. Support LLMOps practices for teams developing with large language models. Platforms Windows, macOS, Linux Links Official website: https://agenta.ai Source code: https://github.com/Agenta-AI/agenta Pricing Free. Free and open-source self-hosted platform under Apache-2.0 license.

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OpenLLMetry

Key features Open-source observability tool designed specifically for LLM applications. Provides tracing, metrics, and performance monitoring to help debug and optimize AI workflows. Self-hosted LLM observability with full telemetry capabilities. Licensed under Apache-2.0, enabling free use and modification. Platforms: Windows, macOS, Linux Links Official website: https://www.traceloop.com/openllmetry Source code: https://github.com/openllmetry/openllmetry Pricing: Free. OpenLLMetry is free and open-source under the Apache-2.0 license, offering self-hosted LLM observability with tracing and monitoring capabilities.

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Docker Agent

Docker Agent is an official Docker CLI plugin that lets you build, run, and share AI agents using declarative YAML configuration, with support for MCP tools and multi-agent orchestration.

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Ever Gauzy

Overview Ever Gauzy is a comprehensive open-source business management platform that integrates ERP, HRM, and CRM functionalities. Designed for small and medium enterprises, it provides a unified solution for managing operations, human resources, and customer relationships. As a free alternative to proprietary systems like NetSuite, it offers full source code access under the AGPL-3.0 license, enabling self-hosting and customization. Pros Completely free and open-source under AGPL-3.0, allowing unrestricted use and modification. Self-hosted deployment gives full control over data and infrastructure. Cross-platform support for Windows, macOS, and Linux. Comprehensive feature set covering ERP, HRM, and CRM in one system. Active community and development on GitHub. Cons Requires self-hosting and technical expertise for setup and maintenance. Community-driven support may be less responsive than commercial alternatives. Documentation and learning resources may be less extensive than paid solutions.

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Laminar

Key features Open-source, AI-powered platform designed for engineering LLM products. Comprehensive LLM tracing to monitor and debug application behavior. Evaluation tools for assessing model performance and reliability. Prompt management features to organize and version prompts. Free to self-host with the full feature set, including tracing, evaluation, and prompt management. Available on Linux, macOS, and Windows. Platforms: Linux, macOS, Windows. Links Official website: https://www.lmnr.ai Source code: https://github.com/lmnr-ai/laminar Pricing: Free — the open-source platform is free to self-host with full features, including LLM tracing, evaluation, and prompt management.

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5ire

Key features Cross-platform desktop AI assistant compatible with local and cloud-based large language models Built-in knowledge base support for grounded, context-aware responses Designed for offline, private AI usage on personal devices Available as a free open-source application under the MIT license Platforms: Windows, macOS, Linux Links Official website Source code Pricing: Free open-source desktop app released under the MIT license.

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MooTool Next

MooTool Next is a cross-platform developer toolbox that bundles everyday utilities such as JSON/XML formatting, encoding conversion, timestamp conversion and regex testing in a modern multi-window desktop app. It is a full Electron, React and TypeScript rewrite of the original MooTool.

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ByteChef

Key features Low-code platform purpose-built for creating AI agents and automating complex, multi-step workflows. Hundreds of pre-built integrations make it easy to connect your favorite tools and services. Self-hosted design means you retain full control over your data, deployment, and infrastructure. Runs on Windows, macOS, and Linux for flexible installation options. Licensed under Apache-2.0 with no limits on the number of workflows or users. Platforms Windows, macOS, and Linux. Links Official website: bytechef.io Source code: github.com/bytechefhq/bytechef Pricing Free. ByteChef is completely self-hostable and free under the Apache-2.0 open-source license, with no limits on workflows or users.

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Cherry Studio

Key features Multi-model AI desktop client supporting many LLM providers from a single interface Local-first, privacy-focused design for handling AI conversations Ability to chat with and compare models side by side Open-source codebase released under the AGPL-3.0 license Cross-platform desktop application for Windows, macOS, and Linux Platforms: Windows, macOS, Linux Links Official Website Source Code Pricing: Fully free and open source under the AGPL-3.0 license.

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Skyvern

Key features Leverages large language models and computer vision to automate browser workflows without relying on brittle selectors. Designed to work on any website, reducing the maintenance burden of traditional browser automation scripts. Open-source AI-driven alternative to conventional RPA platforms like UiPath. Built in Python, making it accessible for developers to extend and integrate. Targeted at automating complex, multi-step workflows that span multiple pages and interactions. Platforms: Linux, macOS, Windows Links Official Website Source Code Pricing Free and fully open source under the AGPL-3.0 license.

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Tiledesk

Key features Open-source no-code platform for building AI agents and automating customer support. Combines live chat, helpdesk, and chatbot functionality in a single solution. Drag-and-drop visual builder for creating conversational flows without code. Offers self-hosted and cloud deployment options. Platforms Linux, macOS, Windows Links Official website: https://www.tiledesk.com/ Source code: https://github.com/Tiledesk/tiledesk Pricing Freemium. Free self-hosted version under GPL-3.0 with unlimited users and conversations, plus a free cloud tier with basic features.

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lamp-cloud

lamp-cloud is a Java-based microservices framework for building multi-tenant SaaS applications, providing modules for authentication, authorization, and tenant management.

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Inbox Zero

Key features AI-powered email assistant for drafting and automating replies Automated inbox organization to surface what needs attention Tools and workflows designed to help users reach inbox zero Open-source codebase available for self-hosting and customization Web-based access with no local install required for the hosted version Platforms: Web Links Official website Source code Pricing: Freemium. An open-source, self-hostable version is available under the AGPL-3.0 license.

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Khoj

Key features Search across personal notes, documents, and the web from a single chat interface Automates tasks and acts as a personal research assistant Self-hosted design that keeps your data on your own infrastructure Functions as an AI "second brain" for organizing and retrieving knowledge Open-source codebase licensed under AGPL-3.0 Platforms: Windows, macOS, Linux Links Official website Source code Pricing: Freemium. A free, self-hostable open-source release under AGPL-3.0 is available, and a hosted cloud version with usage limits is also offered.

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ModStart

ModStart is an open-source, Laravel-based modular rapid development framework for building CMS, blog, portal and admin sites, featuring a one-click module marketplace, RBAC permissions, membership/API modules and developer scaffolding. ModStartBlog is the blogging application built on top of it.

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Horilla

Overview Horilla is a comprehensive open-source HR management solution delivered as a self-hosted web platform. It combines employee records, attendance tracking, leave management, payroll processing, and recruitment into a single system, making it a viable free alternative to commercial products like BambooHR. Because it is released under the GPL-3.0 license, organizations can deploy and use it without paying licensing fees. It is best suited for companies that want full control over their HR data and are comfortable managing their own infrastructure. Pros Free and open-source under the GPL-3.0 license — no licensing or subscription costs. All-in-one HR platform covering employee records, attendance, leave, payroll, and recruitment. Self-hosted deployment gives organizations full ownership and control over sensitive HR data. Runs in any modern web browser, making it usable across Windows, macOS, and Linux systems. Source code is publicly available on GitHub, offering transparency and the ability to customize the software. Cons Requires technical expertise to deploy, configure, and maintain the platform on your own servers. Support is community-driven rather than backed by a dedicated vendor, so response times may vary. As a self-hosted solution, you are responsible for security, backups, and keeping the software up to date.

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LangWatch

Key features Simulation-based testing for AI agents and LLM applications. Evaluation tools for LLM applications. Observability for AI agents and LLM applications. Open-source platform licensed under Apache-2.0. Self-hostable via Docker. Platforms: Linux, macOS, Windows Links Official website: langwatch.ai Source code: github.com/langwatch/langwatch Pricing: Free and open-source under Apache-2.0, with self-hosting via Docker.

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LinkAndroid

LinkAndroid is an open-source desktop application that mirrors and controls Android phones from your computer, supporting screenshots, screen recording, file management, and script automation. It uses scrcpy 5.0 with hardware decoding for smooth performance and low CPU usage.

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Latitude

Key features End-to-end tracing for LLM applications and AI agents in production. Monitoring and analytics tools built specifically for LLM observability. Self-hosted, open-source platform with full control over your data. Designed for AI-agent workloads, covering request-level visibility and debugging. Platforms: Linux, macOS, Windows. Links Official Website Source Code Pricing: Free. Open-source self-hosted observability for AI agents, including full tracing and analytics.

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Open-Notebook

Key features Free and open-source AI-powered research notebook. Privacy-first: runs locally on your own machine. Chat with PDFs, documents, and notes to gather insights. Bring your preferred LLM provider: Ollama, OpenAI-compatible APIs, or other providers. Self-host locally for full control over your data. Platforms: Windows, macOS, Linux Links Official website: https://open-notebook.vercel.app Source code: https://github.com/SiddharthMaheshwari/Open-Notebook Pricing: Free — completely free and open-source; self-host locally and connect to Ollama, OpenAI-compatible APIs, or other providers.

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