Best Open Source Automation Tools in 2026

Zapier Team costs $69/month for 2,000 tasks. Make (Integromat) starts at $9/month with limits. Here are the best open source workflow automation tools.

Quick Comparison

Tool	Best For	License	Stars	Integrations
n8n	Visual workflows	Sustainable Use	48K+	400+
Automatisch	Zapier clone	AGPL-3.0	5K+	40+
Trigger.dev	Code-first jobs	Apache-2.0	10K+	Any (code)
Activepieces	No-code automation	MIT	10K+	200+
Huginn	Data agents	MIT	43K+	Unlimited (code)

Detailed Breakdown

n8n — Best Overall

Replaces: Zapier, Make

Visual workflow builder
400+ integrations
Code node (JavaScript/Python)
AI nodes (OpenAI, Claude, etc.)
Error handling and retry
Webhook triggers
Cron scheduling
Self-hosted or cloud

Best for: Teams who need Zapier-level integrations with code flexibility.

Trigger.dev — Best for Developers

Replaces: Zapier (for developers), Inngest, Temporal

TypeScript-first
Background jobs with retry
Queue management
Rate limiting
Cron scheduling
Event-driven triggers
SDK for any framework

Best for: Developers who want code-based automation with reliability guarantees.

Activepieces — Best No-Code

Replaces: Zapier (simple automations)

Clean drag-and-drop builder
200+ integrations
Branching and loops
Piece SDK (custom integrations)
MIT license
Growing fast

Best for: Non-technical users who want the simplest Zapier alternative.

Choosing the Right Tool

Need	Choose
Most integrations	n8n (400+)
Simplest UI	Activepieces
Code-first	Trigger.dev
True Zapier clone	Automatisch
Data scraping/agents	Huginn

Cost Savings

Plan	Zapier	Self-Hosted n8n	Annual Savings
Team (2K tasks)	$828/year	$54/year (VPS)	$774
Pro (unlimited)	—	$54/year (unlimited)	Total control

Compare all automation tools on OSSAlt — integrations, pricing, and self-hosting side by side.