Best Open-Source Zapier Alternatives (2026)
21 self-hostable, open-source projects that replace Zapier — without per-task billing that punishes scale. Each is scored for how hard it is to self-host, with one-click deploy options where they exist.
Zapier bills per task, so a single workflow that fans out across hundreds of records can burn your monthly quota in one run, and costs scale with success rather than value. Heavy users also hit the ceiling on multi-step logic, custom code, and data residency that self-hosting solves outright.
Our picks at a glance
Difficulty 2/5 with a One-Click deploy option and 400+ integrations, the lowest-friction full Zapier replacement here.
400+ integrations plus native AI nodes and custom-code support cover the widest range of real automation work.
Offers official managed hosting (n8n Cloud) so you can start without running infrastructure, then self-host later.
Compare all 21 alternatives
Tap a column header to sort| Project | Deploy | Managed | License | ||||
|---|---|---|---|---|---|---|---|
 | 199k ★ | 2/5 Easy | One-Click Docker +3 | Sustainable Use License | 2 days ago | Repo | |
 changedetection.io Python | 33k ★ | 2/5 Easy | Docker Docker Compose +1 | Apache-2.0 | 5 days ago | Repo | |
| 32k ★ | 4/5 Involved | Docker Docker Compose +2 | Apache-2.0 | 2 days ago | Repo | ||
 Kestra Java | 28k ★ | 3/5 Moderate | Docker Docker Compose +2 | Apache-2.0 | 2 days ago | Repo | |
 Activepieces TypeScript | 24k ★ | 3/5 Moderate | Docker Docker Compose +2 | MIT | 2 days ago | Repo | |
 Prefect Python | 24k ★ | 3/5 Moderate | Docker Docker Compose +2 | Apache-2.0 | 2 days ago | Repo | |
 Node-RED JavaScript | 23k ★ | 2/5 Easy | Docker Docker Compose +1 | Apache-2.0 | 4 days ago | Repo | |
 Temporal Go | 22k ★ | 4/5 Involved | Docker Compose Kubernetes +1 | MIT | 3 days ago | Repo | |
 Windmill Rust | 17k ★ | 3/5 Moderate | Docker Docker Compose +2 | AGPL-3.0 | 2 days ago | Repo | |
 Leon Nodejs | 17k ★ | 4/5 Involved | Manual | MIT | 4 days ago | Repo | |
 Automatisch JavaScript | 14k ★ | 3/5 Moderate | Docker Docker Compose +1 | AGPL-3.0 | 5 months ago | Repo | |
| 8.7k ★ | 2/5 Easy | Docker Kubernetes +1 | Apache-2.0 | 2 days ago | Repo | ||
 StackStorm Python | 6.5k ★ | 5/5 Advanced | Docker Compose Kubernetes +1 | Apache-2.0 | 11 days ago | Repo | |
 Beehive Go | 6.5k ★ | 2/5 Easy | Docker Manual | AGPL-3.0 | 3 years ago | Repo | |
 Rundeck Java | 6.3k ★ | 3/5 Moderate | Docker Docker Compose +1 | Apache-2.0 | 5 days ago | Repo | |
 Cronicle Nodejs | 5.8k ★ | 3/5 Moderate | Docker Manual | MIT | 6 days ago | Repo | |
 pyLoad Python | 3.8k ★ | 2/5 Easy | Docker Manual | AGPL-3.0 | 4 days ago | Repo | |
 OliveTin Go | 3.7k ★ | 2/5 Easy | Docker Manual | AGPL-3.0 | 7 days ago | Repo | |
 Dagu Go | 3.7k ★ | 2/5 Easy | Docker Manual | GPL-3.0 | 2 days ago | Repo | |
 Dittofeed Docker | 2.9k ★ | 3/5 Moderate | Docker Docker Compose | MIT | 4 months ago | Repo | |
 Matchering Docker | 2.6k ★ | 3/5 Moderate | Docker Manual | GPL-3.0 | 28 days ago | Repo |
What to look for: Look for breadth of pre-built integrations so you are not hand-rolling every API call, plus a clear path to add custom code or HTTP nodes for the apps that aren't covered. Confirm the license actually permits your use case (n8n's Sustainable Use License restricts reselling the product) and that the deploy story matches your ops maturity.
The alternatives, reviewed
- #1
Fair-code workflow automation with 400+ integrations and native AI nodes
199k TypeScript Sustainable Use License 2 days agoHow it compares to Zapier
- Source-available (Sustainable Use License), not true OSI open source; some enterprise features (SSO, log streaming, external secrets) are gated behind paid tiers.
- Self-hosted instances require you to manage your own queue/Redis and Postgres for scaling and reliability.
- Far fewer pre-built app connectors than Zapier's 6,000+ catalog.
- Concurrency and execution throughput on the free self-hosted tier require manual queue-mode tuning.
- #2
changedetection.ioSelf-host: EasyMonitor any website for changes and get notified instantly
33k Python Apache-2.0 5 days agoHow it compares to Zapier
- No multi-step workflow automation — it only watches and notifies, not acts on changes
- JavaScript-heavy sites require a separately configured Playwright browser container
- No native API for programmatic watch management (REST API is limited)
- Cannot extract and transform data into downstream systems without additional tools
- #3
Conductor (Netflix)Self-host: InvolvedMicroservice workflow orchestration engine open-sourced by Netflix
32k Java Apache-2.0 2 days agoHow it compares to Zapier
- Workflow logic defined in JSON/YAML; no drag-and-drop canvas for non-technical users
- Requires Elasticsearch and a relational DB for production — non-trivial infrastructure
- Community edition lacks built-in RBAC available in the commercial Orkes Cloud offering
- #4
KestraSelf-host: ModerateEvent-driven orchestration platform for scheduled and API-triggered workflows
28k Java Apache-2.0 2 days agoHow it compares to Zapier
- YAML-declarative workflows are more engineering-oriented than no-code Zapier flows.
- Enterprise edition gates SSO, RBAC, multi-tenancy, audit logs, and worker isolation.
- Connectors are plugins focused on data/infra systems rather than consumer SaaS apps.
- Production self-hosting benefits from Postgres plus a queue, raising operational overhead.
- #5
ActivepiecesSelf-host: ModerateMIT-licensed no-code automation and AI agents builder, an open Zapier alternative
24k TypeScript MIT 2 days agoHow it compares to Zapier
- Smaller connector catalog than Zapier/Make; many niche apps still missing.
- Enterprise features (SSO, audit logs, projects/RBAC, embedding) require the paid edition.
- Self-hosting needs Postgres and Redis, so it is not a single-container setup.
- Younger ecosystem means fewer pre-built templates and community examples.
- #6
PrefectSelf-host: ModerateModern Python workflow orchestration for data pipelines and automation
24k Python Apache-2.0 2 days agoHow it compares to Zapier
- Workflows are defined entirely in Python code; no drag-and-drop canvas for non-developers
- Self-hosted server lacks some cloud-tier features like SLA alerts and log streaming
- Trigger-based SaaS integrations require custom code rather than ready-made connectors
- #7
Node-REDSelf-host: EasyFlow-based low-code programming for wiring together APIs, services, and devices
23k JavaScript Apache-2.0 4 days agoHow it compares to Zapier
- Not a polished SaaS-connector product; you assemble flows from lower-level nodes rather than pre-built app triggers.
- No built-in multi-tenant team management, SSO, or audit logging out of the box.
- Authentication and HTTPS for production exposure must be configured manually.
- Geared toward IoT/event wiring, so common SaaS app integrations often need community nodes of varying quality.
- #8
TemporalSelf-host: InvolvedDurable execution engine for resilient long-running business workflows
22k Go MIT 3 days agoHow it compares to Zapier
- No visual no-code editor; all workflows must be written by developers in a supported SDK language
- Production deployment requires Cassandra or PostgreSQL plus Elasticsearch — significant infrastructure
- Self-hosted Web UI has limited analytics compared to Temporal Cloud
- #9
WindmillSelf-host: ModerateDeveloper platform to turn scripts into workflows and internal apps
17k Rust AGPL-3.0 2 days agoHow it compares to Zapier
- Code-first approach is more developer-oriented than Zapier's pure no-code experience.
- AGPL plus a separate enterprise edition; some features (distributed workers at scale, SSO, audit) are gated.
- Fewer turnkey SaaS connectors; you often write the integration glue yourself.
- Self-hosting requires Postgres and worker configuration for real workloads.
- #10
LeonSelf-host: InvolvedOpen-source personal assistant server you fully control and run on your own machine
17k Nodejs MIT 4 days agoHow it compares to Zapier
- Skill catalog is far smaller than Alexa's or Google Assistant's third-party ecosystem
- No official Docker image; setup involves Node.js, Python, and optional model downloads
- Voice accuracy depends on local NLU models that require additional setup and tuning
- Not designed for multi-user household scenarios — user accounts and permissions are limited
- #11
AutomatischSelf-host: ModerateOpen-source business automation, a self-hostable Zapier alternative
14k JavaScript AGPL-3.0 5 months agoHow it compares to Zapier
- Significantly fewer integrations than Zapier or even n8n.
- Slower release cadence; development activity is lighter than the larger competitors.
- No native code/function step comparable to n8n or Windmill for custom logic.
- Self-hosting needs Postgres and Redis; not a single-container deploy.
- #12
Redpanda ConnectSelf-host: EasyDeclarative stream processor and data pipeline tool with 200+ connectors
8.7k Go Apache-2.0 2 days agoHow it compares to Zapier
- No graphical UI; all pipeline configuration is done in YAML, requiring developer involvement
- No support for human-in-the-loop or approval workflow steps
- Monitoring requires pairing with external tools like Prometheus and Grafana
- #13
StackStormSelf-host: AdvancedEvent-driven automation and auto-remediation platform (IFTTT for ops)
6.5k Python Apache-2.0 11 days agoHow it compares to Zapier
- Complex multi-component architecture (RabbitMQ, MongoDB, multiple services); steep to install and operate.
- Ops-focused rather than a business-friendly no-code iPaaS; not aimed at marketing/sales automations.
- Workflow authoring uses YAML/Orquesta, which is more technical than visual builders.
- Smaller community and slower momentum than n8n or modern alternatives.
- #14
BeehiveSelf-host: EasySelf-hosted event and agent automation system inspired by IFTTT
6.5k Go AGPL-3.0 3 years agoHow it compares to Zapier
- Much smaller connector library than Zapier or Make; many popular SaaS integrations are missing
- Web UI is basic with minimal workflow visualization and no scheduling UI
- Project maintenance has slowed; some connector implementations may be stale
- #15
RundeckSelf-host: ModerateJob scheduler and runbook automation for operations and DevOps teams
6.3k Java Apache-2.0 5 days agoHow it compares to Zapier
- Primarily designed for infrastructure/ops automation, not general business workflow automation
- UI feels dated compared to modern SaaS tools; limited visual flow design
- Community edition lacks enterprise features like SSO, secrets management, and advanced audit logs
- #16
CronicleSelf-host: ModerateDistributed task scheduler with a web UI — cron for teams with history and retries
5.8k Nodejs MIT 6 days agoHow it compares to Zapier
- No DAG / dependency graph between jobs; pipeline orchestration is limited to linear chains
- No built-in secrets management — credentials passed as environment variables or shell scripts
- High-availability multi-master setup is complex and not well documented
- UI and architecture feel dated compared to newer alternatives like Temporal or Windmill
- #17
pyLoadSelf-host: EasyWeb-controlled download manager for one-click hosters, torrents, and direct links
3.8k Python AGPL-3.0 4 days agoHow it compares to Zapier
- Plugin ecosystem for one-click hosters is aging; many premium hoster plugins are broken or unmaintained
- No built-in torrent client — only handles direct and hoster-based downloads
- Web UI is functional but dated compared to modern download manager frontends
- Python 3 migration improved stability but the codebase has accumulated technical debt
- #18
OliveTinSelf-host: EasyExpose predefined Linux shell commands as a safe, simple web interface for non-techies
3.7k Go AGPL-3.0 7 days agoHow it compares to Zapier
- No conditional logic, branching, or multi-step workflows — each button maps to a single command
- No scheduling or trigger-based execution; only manual button presses
- Authentication is basic (single shared password or reverse-proxy auth); no per-user RBAC
- No audit log or notification system beyond live output in the UI
- #19
DaguSelf-host: EasyDAG-based workflow orchestrator with a web UI — cron replacement with real dependencies
3.7k Go GPL-3.0 2 days agoHow it compares to Zapier
- No distributed worker pool — all steps run on the same host, limiting horizontal scale
- No built-in secrets vault; credentials must be managed via environment variables or external tools
- UI is functional but lacks advanced features like parameterized run forms or dynamic DAG generation
- Community is smaller than Airflow or Prefect; fewer integrations and plugins
- #20
DittofeedSelf-host: ModerateOpen-source customer messaging automation — email, SMS, and push journey builder
2.9k Docker MIT 4 months agoHow it compares to Zapier
- In-app messaging channel (tooltips, banners, modals) is not yet supported
- Deliverability tools like dedicated IP warm-up and domain authentication wizards are absent
- Mobile push requires manual integration with APNs/FCM; no managed SDK
- Feature cadence for the self-hosted version can lag behind the cloud offering
- #21
MatcheringSelf-host: ModerateAutomated audio mastering library that matches your track to a reference song
2.6k Docker GPL-3.0 28 days agoHow it compares to Zapier
- Mastering quality depends entirely on reference track choice; no AI-driven style presets like LANDR
- No stem separation, noise reduction, or restoration processing
- Web UI is very minimal — not a polished production tool without custom frontend work
- Processing is CPU-only by default; no GPU acceleration for batch workflows
The verdict
n8n is the default answer for most teams leaving Zapier: easiest to stand up, the most integrations, native AI nodes, and an official cloud tier if you don't want to run it yourself. Pick Activepieces instead if a permissive MIT license matters more to you than raw integration count.
Zapier alternatives — frequently asked questions
Is there a free self-hosted alternative to Zapier?
Yes. n8n, Activepieces (MIT), Node-RED (Apache-2.0), Windmill, and Automatisch are all free to self-host. Activepieces and Node-RED carry the most permissive licenses; n8n uses a Sustainable Use License that is free for internal use but restricts reselling it as a competing product.
Which Zapier alternative is easiest to self-host?
n8n and Node-RED are both rated 2/5 difficulty. n8n additionally offers a One-Click deploy and an official managed cloud, making it the lowest-effort path to a working instance.
Which has the most integrations like Zapier?
n8n ships 400+ integrations plus native AI nodes, the broadest catalog among these options. For apps not covered, all of these tools let you call arbitrary HTTP APIs or write custom code.
Can I avoid per-task billing entirely?
Yes. When you self-host any of these on your own server, you pay for the server, not per task or per execution. That is the core reason teams move off Zapier's per-task model.
I'm an ops/SRE team, not a marketing team. What fits better?
StackStorm (Apache-2.0) is purpose-built for event-driven auto-remediation and infrastructure automation rather than SaaS app connectors. It is the most powerful for ops use cases but also the hardest to run at 5/5 difficulty.
Does n8n require me to know how to code?
No. n8n is visual and low-code for the common cases, with optional code nodes when you need them. Node-RED and Activepieces are similarly low-code; Windmill leans more toward developers turning scripts into workflows.