Matomo

Self-hosted web analytics platform with complete data ownership

Mattermost

Secure, extensible team collaboration platform for modern workflows

Mautic

Open source marketing automation software you control completely

Maxun

Train a web‑scraping robot in minutes, no code required

Medama

Self-hosted, cookie-free analytics with a sub-kilobyte tracker

Medusa

Composable commerce platform with customizable building blocks

Meilisearch

Lightning-fast search engine with hybrid AI-powered search capabilities

meli

Open source platform for deploying static sites and frontends

Meltano

Declarative code-first data integration engine for modern pipelines

Memos

Self-hosted, privacy-first note-taking platform with full Markdown support

Metabase

Ask questions, explore data, and build dashboards without SQL

Metaflow

Human‑centric framework for building, scaling, and deploying AI systems

metasfresh

Responsive Open Source ERP with Modern Web Interface

Meteroid

Cloud-native pricing and billing infrastructure for product-led SaaS

MicroK8s

Lightweight, single-package Kubernetes for laptops, edge, and CI/CD

Microsoft Agent Framework

Unified framework for building, orchestrating, and deploying AI agents

Microweber

Drag-and-Drop CMS and Website Builder on Laravel

Midday

All-in-one business management platform for solo entrepreneurs

Milvus

High-performance vector database built for AI at scale

MinIO

High-performance S3-compatible object storage for AI and analytics

Misago

Modern, feature‑rich forum platform built with Django and React

Misskey

Free federated microblogging platform for decentralized social networking

Mixpost

Schedule, publish, and manage social media content without limits

MkDocs

Fast, simple static site generator for project documentation