pneumaticworkflow
Workflow Automation
v7.3.2
Pneumatic is a workflow management system that lets teams design, run, and optimize business processes through reusable templates.todayApache-2.0DockerAdvanced
Self-hosted alternatives to Smartsheet
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Also in Workflow Automation
Not listed as Smartsheet alternatives, but they cover the same ground and are worth a look.
formsflowaiformsflow.ai is a self-hosted, open-source low-code platform combining Form.io, Camunda, Keycloak, and Redash for forms, BPMN/DMN workflows, identity, and analytics.
flow-likeFlow-Like is a self-hosted, source-available workflow automation platform with visual workflows, frontend builder, AI agents, and data studio.
Open FlowOpen-source AI workflow automation platform where AI agents build workflows connecting 1,600+ apps, with visual Workbench for inspection and human approval.
active_workflowSelf-hosted agent-based orchestration platform: build, schedule and monitor polyglot workflow services through a web UI, a REST API and a Remote Agent API.
n8nn8n is a self-hosted, source-available workflow automation platform with visual building, custom code, 1500+ integrations, and native AI agents.
AutomatischOpen-source, self-hosted Zapier alternative: build no-code workflows that connect apps like Slack, Gmail and Notion, run via Docker Compose with Postgres and Redis.
About these Smartsheet alternatives
1 open-source, self-hosted alternatives to Smartsheet are listed here, ranked by popularity, maintenance and documentation.
- Highest rated
- pneumaticworkflow (319 GitHub stars, Apache-2.0 license, written in Python)
- Docker
- 1 of the top 1 ship an official Docker image
- Recently updated
- pneumaticworkflow v7.3.2 on 2026-10-28
Smartsheet alternatives compared
| Project | License | Language | Stars | Docker | Setup | Latest release | Score |
|---|---|---|---|---|---|---|---|
| pneumaticworkflow | Apache-2.0 | Python | 319 | Yes | Advanced | v7.3.2 | 48 |