Self-Hosted

Activepieces

Activepieces

AI-first automation platform for business teams — visual flow builder, 754+ integrations, cloud or self-hosted.

Activepieces MCP

Activepieces

280+ open-source MCP servers hosted on Activepieces, letting Claude, Cursor, and Windsurf read email, manage calendars, and take actions across your apps without code.

AFFiNE AI

AFFiNE

Open-source, local-first workspace that merges docs, whiteboards, and databases into a single canvas with built-in AI assistance.

Airbyte

Airbyte

Open-source ELT platform with 600+ connectors for moving data from any source into your warehouse, lakehouse, or AI agent's context layer.

AppFlowy

AppFlowy

Open-source collaborative workspace combining project management, docs, and wikis with full data control and optional self-hosting.

Appsmith

AppSmith

Open-source low-code platform for building internal tools, admin panels, and dashboards by connecting to your existing databases and APIs.

Appwrite

AppWrite

Open-source backend platform — auth, database, storage, functions, and messaging through a single self-hostable API layer.

Automatisch

Automatisch

Open-source workflow automation that connects 80+ apps. Self-host for unlimited executions, or use their hosted cloud from €20/month (task-metered).

Baserow

Baserow

Open-source no-code database platform with relational tables, multiple views, built-in automations, AI fields, and a self-hosting option that keeps your data on your servers.

Budibase

Budibase

Open-source low-code platform for building internal tools, AI agents, and automations — admin panels, dashboards, and approval workflows — with drag-and-drop UI and extensive data source connectors.

Cal.com

Cal.com, Inc

Open-source scheduling infrastructure for individuals, teams, and developers who want full control over their booking experience.

Composio MCP server

Composio

Composio Platform's managed MCP server — wire Claude Code, Cursor, and other MCP-aware agents to 1,000+ apps with auth handled, no connector code to write.

Dify

LangGenius

Open-source platform for building production-ready AI agents and agentic workflows visually, with built-in RAG pipelines, multi-model routing, and backend APIs.

directus

Monospace Inc

Collaborative backend platform that wraps any SQL database with instant REST/GraphQL APIs, a no-code admin Studio, and a native MCP server for AI agents.

FlowiseAI

FlowiseAI

Open-source, low-code platform for building LLM apps, AI agents, and chatbots through a visual drag-and-drop flow editor.

Fly.io

Fly.io

Global app deployment platform that runs your containers close to users with automatic traffic routing across 18 regions.

Grist

Grist Labs

A relational spreadsheet-database hybrid that lets you link tables, build custom views, and control access — without leaving the spreadsheet paradigm.

Huly

Huly

Open-source all-in-one workspace replacing Linear, Jira, Slack, and Notion for teams that want fewer subscriptions and less context switching.

Kestra

Kestra (Kestra SAS)

Open-source declarative workflow orchestration — YAML-defined pipelines with 1,600+ integrations, visual DAGs, and event-based triggers.

Langflow

Langflow

Low-code visual builder for agentic and RAG applications, connecting LLMs, vector databases, and custom components through a drag-and-drop interface.

Langfuse

Langfuse

Open-source AI engineering platform for tracing AI agents and LLM apps: observability, evals, prompt management, and cost analytics from prototype to production.

LobeChat

LobeHub

Open-source multi-agent platform for building, scheduling, and running AI agent teams across 73K+ MCP integrations — with a hosted cloud tier and full self-host option.

Apache NiFi

Open-source data-flow tool with a browser canvas for moving, routing, and transforming data between systems in real time, with full lineage tracking.

xyOps

Open-source, self-hosted job-orchestration and workflow automation — visual pipelines, fleet monitoring, smart alerts, and built-in ticketing.

Mattermost

Mattermost, Inc.

Self-hostable team messaging and workflow platform built for secure, sovereign deployment in regulated and mission-critical environments.

n8n

N8N

Fair-code workflow automation platform built for technical teams — visual editor, 1,000+ integrations (native + community), AI agent builder, and a code escape hatch when the drag-and-drop nodes aren't enough.

NocoBase

NocoBase

Open-source, self-hosted AI + no-code platform for building business systems — with built-in AI employees, a plugin-based architecture, and a buy-once licensing model.

NocoDB

NocoDB

Fair-source layer that turns any existing Postgres or MySQL database into a collaborative spreadsheet-style interface — no SQL required.

Node-RED

OpenJS Foundation

Open-source visual flow editor for wiring together hardware devices, APIs, and online services with drag-and-drop nodes.

Penpot

Kaleidos Open Source S.L.

Open-source design and prototyping tool that runs in the browser, works across OS, and outputs CSS/SVG so developers can inspect real code from the design file.

Plane

Makeplane Technologies Inc.

Open-source project management with issue tracking, sprints, and roadmaps — self-hostable (including air-gapped) for teams who want full data control.

PocketBase

PocketBase

Open-source backend in a single executable: SQLite database, auth, file storage, and admin UI — download and run.

SeaTable

Seatable

A spreadsheet-style database builder for teams that need relational structure and workflow automation without touching SQL.

Sim

Sim Studio

Open-source AI workspace for building, deploying, and managing AI agents — visual workflow builder, chat interface, and API with 1,000+ integrations and SOC2-compliant infrastructure.

Strapi

Strapi Solutions SAS

Open-source headless CMS that generates REST and GraphQL APIs from a visual content model — self-host or use Strapi Cloud.

teable

teable

Open-source no-code database built on Postgres — Airtable's interface with real relational power underneath.

ToolJet

ToolJet

Open-source platform for building internal tools, admin panels, and dashboards with a drag-and-drop UI and 80+ native data source connectors.

Twenty

Twenty

Open-source CRM built for teams that want full data ownership and a customizable data model without paying Salesforce prices.

UI Bakery

Akveo LLC

Low-code platform for building internal tools — admin panels, dashboards, and data portals — without pulling engineers off real work.

Unsloth

Unsloth

Open-source LLM fine-tuning framework that cuts training time and memory usage dramatically, so you can customize models on consumer hardware.

Visual DB

Visual DB, Inc.

No-code interface builder that connects directly to your existing SQL database and generates forms, spreadsheet views, and reports without migrating your data.

Weaviate

Weaviate

An open-source AI-native vector database for building semantic search, RAG pipelines, and recommendation systems that retrieve by meaning, not just keyword.

Webstudio

Webstudio

Open-source visual website builder that gives designers full HTML/CSS control without writing code, with clean export and self-hosting options.

WeWeb

WeWeb

AI-powered no-code app builder that generates full-stack apps from prompts, lets you edit every detail visually, and exports clean Vue.js code — for teams who want speed without platform lock-in.

Windmill.dev

Windmill

Open-source workflow engine that turns Python and TypeScript scripts into internal apps, REST APIs, and scheduled jobs without the infrastructure overhead.

Wordpress

Automattic

Open-source CMS powering a large share of the web — build anything from a simple blog to a full e-commerce store without writing code.