MySQL

Object-relational mapping library for Ruby that maps classes to database tables, distributed as part of Rails.

Web-based database management tool distributed as a single PHP file.

Database management tool written in PHP that is distributed as a single file and built on Adminer.

Open-source proof-of-work CAPTCHA widget and server verification libraries, with a paid self-hosted server (Sentinel) and a hosted service (Cloud).

Java content management system for websites, intranets and portals, published under the Apache License.

Java suite of enterprise business applications for ERP, CRM and e-commerce, built on an entity engine, a service engine and a widget-based UI.

Java-native API gateway for HTTP, Dubbo, gRPC and WebSocket services, with plugins for authentication, traffic control and observability.

Application performance monitoring system for distributed systems, microservices and container-based architectures.

Authentication library for JavaScript web frameworks, with OAuth and OpenID Connect providers, email sign-in and credentials.

Open-source authentication and authorization server and portal that adds multi-factor authentication and single sign-on in front of web applications.

Framework-agnostic authentication and authorization framework for TypeScript.

Open-source consent manager that renders cookie banners, a preferences dialog and consent-gated scripts for JavaScript frameworks.

Content management system for Ruby on Rails, distributed as a gem and run inside a Rails application.

Open-source identity and access management and single sign-on platform with a web admin console.

PHP MVC web framework with a small footprint and few configuration requirements.

Open-source content management system for teams, written in PHP, with a built-in REST API and a MySQL or MariaDB database.

Open-source reactive database and backend for web apps, with server functions written in TypeScript and a cloud platform run by the maker.

Proprietary web hosting control panel and server management software, sold as cPanel & WHM licenses for servers that host websites.

Commercial eCommerce software for building online stores and multi-vendor marketplaces, run on the customer's own server.

Desktop database management tool and SQL client for many SQL and NoSQL databases, with a free community edition.

Safe, extensible ORM and query builder for Rust.

Proprietary web hosting control panel for managing websites, email, DNS and databases on Linux servers, with a paid license per server.

Python web framework with an ORM, URL routing, templating, forms and an automatic admin interface.

PHP database abstraction layer with an object-oriented API for queries and for schema introspection and management.

Open-source PHP engine for publishing blogs, with several blogs and users in one installation.

Open-source PHP content management system for websites, blogs and intranets, with a plugin and theme system.

Self-hosted server management panel that deploys apps, databases and templated services on servers the user runs, using Docker.

Hosting control panel for running websites, email, databases and backups across one or more Linux servers in a single cluster.

Server control panel for creating and managing websites, email accounts, databases, SSL certificates and backups on a Linux server.

Go web and RPC framework with code generation from API definitions, built-in resilience components and the goctl command-line tool.

Go ORM library that maps structs to database tables, with associations, hooks, transactions and auto migrations.

Open source application for querying, visualizing, alerting on and exploring metrics, logs and traces.

Server for storing, accessing and encrypting secrets, with an HTTP API, a CLI and a web interface, that applications can call for credentials and keys.

Open-source GraphQL server that generates a GraphQL API over existing databases and other data sources, with a hosted Hasura Cloud edition.

Web control panel for Debian and Ubuntu servers that manages web domains, mail, DNS zones and databases from one dashboard.

Self-hosted system for building agents that watch the web and incoming events and take automated actions on the user's behalf.

Open source hosting control panel for managing websites, MySQL databases and cron jobs on Linux servers from a web browser.

Online shop software from JTL-Software-GmbH, written in PHP.

E-commerce plugin for the Grav CMS that adds a catalog, checkout, payments, shipping and customer accounts.

Open-source orchestration platform for data, AI and infrastructure workflows, defined in YAML and run on a server with a web UI.

Free server control panel for Ubuntu and Debian that manages domains, email mailboxes, FTP users and MySQL databases.

PHP web application framework with routing, an ORM, templating, queues and scheduled jobs.

Desktop app for macOS and Windows that runs local PHP and Laravel sites on their own domains, with PHP versions and local services managed from one window.

Content management system written in PHP that runs on MySQL or MariaDB and is installed by uploading its package to a web space.

Open-source local PHP development environment for Linux and macOS that runs sites, PHP versions and services as rootless Podman containers.

Open-source survey platform for creating surveys that respondents take through a link or an embed on a website.

Free desktop application for developing WordPress sites on the developer's own computer.

Config-first web framework that builds business apps and internal tools from YAML configuration, served by a Node.js server.

SQL query builder, Active Record ORM and migrations library for AdonisJS applications.

Magnolia is a Java digital experience platform for managing and delivering web content, with a Community Edition under GPLv3 and a licensed DX Core.

Local web server environment for macOS and Windows with Apache or Nginx, PHP and MySQL, and MAMP PRO, a commercial app for running several local sites.

Commercial publishing and blogging system from Six Apart that publishes static pages, dynamic pages or both from templates.

Web admin interface for managing Nginx reverse proxy hosts, distributed as a Docker image with free Let's Encrypt certificates.

TypeScript server toolkit for full-stack servers with filesystem routing, storage, caching and a Vite plugin, deployable to Node.js, Bun, Deno and serverless hosts.

Open source web analytics framework that records visits to websites and applications and reports on them, with a JavaScript tracker and a PHP server.

Open source ecommerce platform written in PHP for running an online store on a web server.

OpenID Certified OAuth 2.0 and OpenID Connect server that issues tokens and connects to an existing login and consent app.

Full-stack PHP web framework delivered as a PHP extension.

Open-core PHP platform for product experience management, combining PIM, DAM, CMS and digital commerce modules.

Proprietary hosting control panel for managing websites, DNS, mail and other services on Linux and Windows servers.

TypeScript and Node.js object-relational mapper that generates a type-safe database client from a schema file.

Java framework for building cloud-native applications that run on the JVM or as native executables.

Python library for building full-stack web apps, with the frontend compiled to React and the backend run as a Python server.

Full-stack web framework built on Web APIs that combines routing, data, UI and asset compilation in one stack.

Async web framework for Rust with typed routes, request guards and built-in form and JSON handling.

Ruby web application framework with an ORM, routing, ERB views, background jobs and built-in deployment tooling.

Distributed file system and S3-compatible object store, written in Go, shipped as one weed binary.

Services framework for .NET that builds HTTP and message-based web services from typed request DTOs.

Self-hosted realtime server written in Rust that serves Pusher-compatible WebSocket and HTTP APIs.

Publishing system for the Internet, written in PHP, for multilingual websites with collaborative editing.

Open-source commerce platform built on Ruby on Rails, with a REST API, TypeScript SDKs and a Next.js storefront.

PHP full-stack web framework built from a set of reusable, standalone components.

Open-source durable execution platform whose server runs workflows and retries failed steps, self-hosted or as Temporal Cloud.

Open-source e-commerce CMS and framework built on Symfony for online stores and web content.

Server-side Swift HTTP web framework for building backends, web apps, APIs and HTTP servers.

Open-source headless commerce framework built on Node.js and TypeScript, with a GraphQL API.

Cloud-native, horizontally scalable distributed database system built around MySQL.

Low-code platform for building web and hybrid mobile applications, offered as a cloud service and as an on-premise installation.

Web-based administration tool for Unix-like servers that configures system files and server applications such as Apache HTTP Server, BIND and MySQL.

Open-source PHP content management system for websites and blogs, with a block editor, themes and plugins.