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Open Source Projects tagged "Mcp Server"

A curated collection of the best open source projects tagged "Mcp Server". Each listing includes a website screenshot along with a detailed review of its features.

n8n

Visual workflow automation with code flexibility and AI agents

  • Stars

    209,142

  • Last commit

    4 hours ago

  • License

    Unknown
Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.

Open Source Alternative to:

Make

Cherry Studio

AI
Multi-model AI desktop client with local-first privacy

  • Stars

    53,106

  • Last commit

    4 hours ago

  • License

    AGPL-3.0
Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous agent mode.

Open Source Alternative to:

Claude

ActivePieces

Automate workflows with no-code integration platform

  • Stars

    25,295

  • Last commit

    4 hours ago

  • License

    MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.

Open Source Alternative to:

n8n

MaxKB

AI
AI assistant that enhances enterprise knowledge management

  • Stars

    23,080

  • Last commit

    14 hours ago

  • License

    GPL-3.0
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.

Open Source Alternative to:

Kapa.ai

Trigger

Run long-running AI tasks without timeouts or servers

  • Stars

    16,665

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Open Source Alternative to:

Make

Nuclear

Ad-free music player that streams from multiple sources

  • Stars

    18,835

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
Open-source desktop music player for Windows, macOS, and Linux. Search artists and tracks across multiple sources, build playlists, and listen without ads or tracking.

Open Source Alternative to:

Spotify

Bifrost

AI
Ultra-fast AI gateway with enterprise-grade reliability

  • Stars

    Stars growing over the last 30 days9,228

  • Last commit

    4 hours ago

  • License

    Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Open Source Alternative to:

OpenRouter

OpenStatus

Status page and uptime monitoring for growing teams

  • Stars

    9,242

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Open-source status page and uptime monitor that tracks endpoints from 28 global regions, communicates incidents, and helps satisfy SOC 2 audit requirements.

Open Source Alternative to:

BetterStack

Tabularis

Desktop SQL client with built-in MCP for AI agent access

  • Stars

    Stars growing over the last 30 days5,339

  • Last commit

    11 hours ago

  • License

    Apache-2.0
Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.

Open Source Alternative to:

TablePlus

Pipeshub

AI
Enterprise workplace AI with data you own and control

  • Stars

    3,897

  • Last commit

    4 hours ago

  • License

    Apache-2.0
Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.

Open Source Alternative to:

Glean

Dagu

YAML-defined workflow orchestration, no database required

  • Stars

    Stars growing over the last 30 days4,505

  • Last commit

    5 hours ago

  • License

    GPL-3.0
Single-binary workflow orchestrator that runs scheduled DAGs locally or over SSH, with retries, human tasks, a built-in Web UI, and file-based state storage.

Open Source Alternative to:

AWS Step Functions

Silex

Free, open-source visual website builder for designers

  • Stars

    3,022

  • Last commit

    9 hours ago

  • License

    AGPL-3.0
An online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.

Open Source Alternative to:

Webflow

MailCheap

Open-source newsletter app billed by emails sent

  • Stars

    Stars growing quickly over the last 30 days1,573

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
Newsletter platform billed by emails sent, not list size, with scheduling, a public website, AI agent access and deliverability tools from $19 a month.

Open Source Alternative to:

Substack

Relaticle

Self-hosted CRM with built-in AI chat and agent tools

  • Stars

    Stars growing over the last 30 days1,797

  • Last commit

    4 hours ago

  • License

    AGPL-3.0
Open-source CRM with a built-in AI assistant, 37 MCP tools for external agents, custom fields, role-based permissions, and a REST API. No per-seat pricing.

Open Source Alternative to:

Salesforce

Fusio

API management platform for developers and AI agents

  • Stars

    2,128

  • Last commit

    4 days ago

  • License

    Apache-2.0
Open source API management platform that exposes databases as REST, routes microservice traffic, handles billing, and generates SDKs across multiple languages.

Open Source Alternative to:

Postman

OpenSERP

Self-hosted SERP API for Google, Bing, Yandex, and more

  • Stars

    Stars growing over the last 30 days1,522

  • Last commit

    2 days ago

  • License

    MIT
Query Google, Bing, Yandex, Baidu, DuckDuckGo, and Ecosia through one REST API. Self-host free under MIT, or use the managed cloud option.

Open Source Alternative to:

Tavily

Zen

Clean, distraction-free note-taking with local storage

  • Stars

    1,194

  • Last commit

    6 days ago

  • License

    AGPL-3.0
Minimal note-taking app storing Markdown notes in local SQLite database. Features instant search, flexible tagging, keyboard shortcuts, and offline access.

Open Source Alternative to:

OneNote

TryPost

Schedule posts to every major social network, self-hosted

  • Stars

    Stars growing quickly over the last 30 days787

  • Last commit

    4 hours ago

  • License

    AGPL-3.0
Plan, schedule, and auto-publish social media content across 10+ networks with a visual calendar, AI captions, team approvals, and self-hosting support.

Open Source Alternative to:

Post Bridge

Betterlytics

Privacy-first, cookieless analytics without consent banners

  • Stars

    180

  • Last commit

    4 hours ago

  • License

    AGPL-3.0
GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.

Open Source Alternative to:

Google Analytics

MDMA

Markdown that mounts real applications

  • Stars

    72

  • Last commit

    7 days ago

  • License

    MIT
Markdown Document with Mounted Applications, the open-source format that turns AI responses into interactive documents. Forms, tables, approval gates and charts render straight from the chat, no custom UI per use case.

Open Source Alternative to:

Streamlit
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