Paragon

Best Self Hosted Alternatives to Paragon

A curated collection of the 5 best self hosted alternatives to Paragon.

Paragon is an embedded integration platform that enables SaaS teams to build, manage, and ship customer-facing integrations and automation using prebuilt connectors, authentication flows, UI components, and sync/trigger actions.

Alternatives List

#1
n8n

n8n

Self-hostable workflow automation platform combining a visual builder with JavaScript/Python code steps, 400+ integrations, and AI-assisted automation.

n8n screenshot

n8n is a workflow automation platform for technical teams that combines a visual workflow builder with the ability to add custom code. It supports hundreds of integrations and can also be used to build AI-powered automations and agent-style workflows.

Key Features

  • Visual, node-based workflow editor with triggers, actions, and branching logic
  • Code steps for custom logic (JavaScript and Python) and extensibility via custom nodes
  • Large integration ecosystem (hundreds of connectors) plus reusable workflow templates
  • Webhooks and API-based automation for event-driven workflows
  • AI-native tooling to build AI agent workflows and connect to your own data/models
  • Enterprise-oriented capabilities such as RBAC, audit logs, and SSO options (deployment dependent)

Use Cases

  • Automate business processes across SaaS tools (CRM updates, ticket routing, notifications)
  • Build internal integrations and data sync pipelines between systems using APIs and webhooks
  • Orchestrate AI-assisted workflows such as enrichment, summarization, and agent-driven tasks

Limitations and Considerations

  • Licensed under a fair-code model (source-available), which may restrict certain commercial use cases
  • Some advanced enterprise features depend on the chosen edition and deployment setup

n8n is a strong fit for teams that want low-code speed without giving up the control and flexibility of writing code. It works well for both simple automations and more complex, integration-heavy workflows.

169.5kstars
53.7kforks
#2
Huginn

Huginn

Huginn is an open-source automation platform that runs agents to monitor web data, process events, and trigger actions — self-hosted and extensible.

Huginn screenshot

Huginn is an open-source system for building agents that monitor the web, collect and process events, and take automated actions on your behalf. Agents produce and consume events which propagate through directed graphs so you can chain monitoring, filtering, and actions into complex workflows. (github.com)

Key Features

  • Agent-based architecture: many built-in agent types (HTTP/RSS/IMAP/Twitter/Slack/WebHook/etc.) that create, filter, and act on events. (github.com)
  • Event graph and scheduling: chain agents into directed graphs and schedule periodic or real-time checks. (github.com)
  • Extensibility: write additional Agents as Ruby gems (huginn_agent) and add them via environment configuration. (github.com)
  • Multiple deployment options: official container images and multi-container/docker-compose examples for quick deployment. (hub.docker.com)
  • Data/back-end flexibility: supports MySQL or PostgreSQL for storage and can use Redis for background job processing when configured. (github.com)

Use Cases

  • News and web-monitoring: scrape feeds and sites, alert on changes, or send digest emails when conditions match. (github.com)
  • Social and API automation: track mentions, post updates, or transform incoming webhook data into downstream actions. (github.com)
  • Data collection and ETL-style workflows: aggregate multiple sources into a database or automated reports via chained agents. (github.com)

Limitations and Considerations

  • Operational complexity: Huginn is feature-rich but requires managing dependencies (Ruby, DB, optional Redis) and self-hosted infrastructure for production reliability. (github.com)
  • Configuration surface: many integrations and agent options mean an initial configuration and learning curve to assemble reliable event graphs. (github.com)

Huginn provides a powerful, code-friendly alternative to hosted workflow tools by keeping data and logic under the operator's control. It is widely used in the self-hosting community, distributed via official container images, and extended through agent gems for custom integrations. (hub.docker.com)

48.5kstars
4.2kforks
#3
Node-RED

Node-RED

Open-source, browser-based low-code platform and Node.js runtime for wiring devices, APIs and services into event-driven flows for automation, IoT and integrations.

Node-RED screenshot

Node-RED is a flow-based, low-code development tool that provides a browser-based editor and a lightweight Node.js runtime for building event-driven applications. It enables wiring together devices, APIs and services using a visual palette of nodes and deploys flows as JSON.

Key Features

  • Browser-based drag-and-drop flow editor with reusable library, tabs and a built-in JavaScript function editor.
  • Lightweight runtime built on Node.js with non-blocking event-driven architecture for edge and cloud deployments.
  • Extensible palette model: thousands of community-contributed nodes for protocols, services and hardware.
  • Deploy flows to the runtime with a single click; flows are stored and shared as JSON for portability.
  • Admin and runtime APIs (including HTTP Admin APIs) and editor/runtime separation for embedding and automation.
  • Support for common IoT and web protocols (MQTT, HTTP, WebSocket) and dashboard UI options for visualization.
  • Multiple installation and delivery options including npm, Docker and platform integrations.
  • Modern editor tooling (monaco editor used for function code editing) and integration points for custom nodes.

Use Cases

  • Home automation and smart-home orchestration: connect sensors, hubs and cloud services into automated flows.
  • Industrial and edge IoT: collect, transform and route telemetry from devices (MQTT, OPC-UA, serial, etc.).
  • Integration and orchestration: prototype API connectors, webhook handlers, ETL-style transformations and real-time pipelines.

Limitations and Considerations

  • Not designed as a drop-in horizontally-distributed clustered compute engine: horizontal scaling and HA require external orchestration or third-party offerings and careful design of shared state.
  • Exposing the editor/admin interface without proper authentication and hardening poses security risks; secure adminAuth and network controls are required for public-facing instances.
  • For extremely high-throughput, low-latency or transactional workloads, a purpose-built, strongly clustered platform may be more appropriate than the single-process runtime model.

Node-RED is a practical, widely adopted open-source platform for quickly building event-driven automations and integrations using visual flows. Its large node ecosystem and lightweight Node.js runtime make it well suited to DIY, edge and many production integration scenarios, while enterprise-grade scaling or exposure needs should be planned and secured.

22.6kstars
3.8kforks
#4
Automatisch

Automatisch

Automatisch is an open-source Zapier alternative for building no-code automations that connect apps and services while keeping data on your own infrastructure.

Automatisch screenshot

Automatisch is a workflow automation tool (an open-source alternative to Zapier) that lets you connect different apps and services to automate business processes. It is designed for teams that want no-code automation while keeping control of where data is stored.

Key Features

  • No-code/low-code builder for creating multi-step workflows
  • Connectors to integrate multiple third-party services in a single automation
  • Self-hosted deployment to keep automation data within your own environment
  • Web-based UI for managing workflows, connections, and execution
  • Community Edition (AGPL) with an optional Enterprise Edition for commercial features

Use Cases

  • Automate routine business processes like notifications, data sync, and approvals
  • Build internal integrations between chat tools, CRMs, and other SaaS systems
  • Run compliance-sensitive automations where data residency and privacy matter

Limitations and Considerations

  • Some functionality may differ between Community Edition and Enterprise Edition due to licensing

Automatisch is a strong fit for organizations that need flexible, app-to-app automation without relying on proprietary automation clouds. It combines a web UI with self-hosting to support privacy-focused, customizable workflows.

13.5kstars
1kforks
#5
AutoKitteh

AutoKitteh

Developer-first platform for durable workflow automation and orchestration, with code-based workflows, triggers, integrations, and API-first execution.

AutoKitteh screenshot

AutoKitteh is a developer platform for workflow automation and orchestration, focused on durable execution for long-running and reliable workflows. It provides an API-first runtime to deploy, trigger, run, and manage code-based automations with built-in integrations.

Key Features

  • Durable execution with automatic recovery for long-running workflows
  • Code-based workflows (primarily Python; also supports Starlark)
  • API-first platform with gRPC and HTTP interfaces
  • Triggers via webhooks and schedulers
  • Built-in integrations (e.g., Slack, GitHub, Gmail, Google Calendar, Twilio, and LLM providers)
  • Operational tooling for management, monitoring, and debugging via Web UI, CLI, and a VS Code extension

Use Cases

  • Automating internal business processes and backend workflows
  • DevOps/FinOps/MLOps automation with resilient, auditable executions
  • Building and operating AI-assisted automations and agents using existing integrations

Limitations and Considerations

  • JavaScript support is listed as coming soon, so language support may be incomplete depending on your needs

AutoKitteh fits teams that want the flexibility of writing automation logic in code while still getting a managed workflow runtime with durability, triggers, integrations, and operational controls. It is especially suitable for critical workflows where reliability and recoverability matter.

1.1kstars
40forks

Why choose an open source alternative?

  • Data ownership: Keep your data on your own servers
  • No vendor lock-in: Freedom to switch or modify at any time
  • Cost savings: Reduce or eliminate subscription fees
  • Transparency: Audit the code and know exactly what's running