Backend

An open-source instant-messaging SDK and server for developers to build messaging into their own applications, rather than a standalone chat app.

• Backend

A production platform for building AI-powered chat bots that connect large language models to Discord, Slack, Telegram, WeChat, Lark, DingTalk and other messaging platforms from one codebase.

• Backend
• Workflow automation

A JSON-based communication protocol and ORM library that lets a backend expose CRUD, search, and remote function calls without writing per-endpoint API code, while the client shapes the JSON it gets back.

• APIs
• Backend

An open source WebRTC platform for building realtime voice, video and AI agent applications, with a distributed media server, client SDKs for many platforms, and an agents framework for voice AI.

• Speech
• Backend

An agent harness and service framework for Go that lets a developer describe a capability in conversation, generate a Go service for it, and use that service as a tool from the same agent.

• Agent frameworks
• Backend

An open-source AI-plus-no-code platform for building business systems, where AI coding agents and a WYSIWYG interface work on the same production infrastructure.

• Backend
• Workflow automation

A full-stack admin development platform built with Vue3 and Gin (Go) that includes JWT auth, RBAC via Casbin, dynamic routing and menus, code and form generators, and built-in MCP and skills management for AI-assisted development.

• Web frameworks
• Backend

A lightweight Go framework for building cloud-native microservices, with a CLI that generates HTTP and gRPC code from Protobuf definitions.

• Backend

An open-source platform for building internal AI agents, apps and workflow automations that connect to databases, AI models and business systems, self-hosted or in Budibase Cloud.

• Backend
• Workflow automation

A cloud-native Go framework for building resilient web and RPC microservices, with a code generation tool that scaffolds services and clients from API definitions.

• Backend

A dynamic service discovery, configuration management and service management platform for building cloud-native and microservices applications, with newer support for registering AI agent and MCP servers.

• Backend

Directus wraps an existing SQL database with automatically generated REST and GraphQL APIs and a visual admin Studio, so engineers, non-technical teammates and AI agents can all work with the same live data.

• Backend
• Databases

Open-source communication infrastructure that sends notifications across inbox, email, SMS, push and chat channels through one API, and connects AI agents to those same channels through a unified conversation model.

• APIs
• Backend

An open-source low-code platform for building internal tools such as admin panels, dashboards and operational apps on existing databases, APIs and SaaS systems, with AI app generation and an MCP server for coding agents.

• Backend

A self-hostable, open-source cloud operating system that gives developers cloud storage, a database, serverless workers and AI access for building and publishing web apps.

• Backend
• Hosting

An open-source backend platform providing authentication, databases, storage, serverless functions, messaging and hosting, with a built-in MCP server for coding agents.

• Backend

An open-source Firebase alternative that gives every project a dedicated Postgres database along with authentication, auto-generated REST and GraphQL APIs, realtime subscriptions, edge functions, and file storage.

• Backend
• Databases