You Know n8n (or Camunda, or Zapier). Here's What's Different About Oumma

A developer introduced Oumma, an agentic workflow platform that treats humans as the primary workers in business processes and AI as the orchestrator around them, positioning it against n8n, Zapier and Camunda. The platform ships a BPMN core (tasks, exclusive gateways, parallel fork/join, start/end) with governed, versioned and auditable processes, and has no user database of its own — identity comes from Keycloak, with groups and department read from token claims and enforced on every action. The author argues n8n and Zapier optimize for developer velocity while Camunda requires separate modeling tools and a Java/Zeebe footprint.

You've automated the easy stuff. The hard stuff — the stuff with patients, approvals, money and audit trails — still runs on email and "call me when it's ready." If you run n8n, Camunda, or Zapier, this article is the honest comparison: where those platforms stop, and what it takes to cross the line into regulated business processes. You already know the category. n8n gave you visual automations with 400+ integrations. Zapier glued your SaaS stack together in an afternoon. Camunda gave you real BPMN in your production systems. All of them are excellent — for what they are: automation of steps . Oumma is a different animal: an agentic workflow platform for business processes where humans are the primary workers and AI is the orchestrator around them . Not the other way around. That one sentence explains most of the design. Here's the breakdown on the subjects that actually matter when a workflow touches real people. In n8n the human appears when the workflow runs out of machine: you bolt on a form, an email, an external ticket system, and then a polling webhook waits for a human to do something outside the platform. The human's work is next to the automation — and the state of that work lives somewhere else. In Camunda, human tasks are first-class a userTask in BPMN — that's the closest relative. But the task assignment model is yours to build : who can see it, who can act, what they can do on the artifacts — all of it is code you write against the Task API. In Oumma, the human is the main loop of the process : complete it, which can comment , which can attach . The engine re-checks all of it The practical difference: with n8n you built a workflow that occasionally asks a human for input ; with Oumma you have a process the humans work, with the machine doing everything else — documents, routing, integrations, reminders. n8n and Zapier optimize for developer velocity : drag nodes, connect, run. The freedom is the point — and it's exactly why, at scale, nobody can tell you what a workflow actually does , who approved it, or what changed when. Your "processes" are node graphs with the semantics of a shell script: no gateways, no roles, no version, no audit of the design itself. Camunda has the formalism BPMN 2.0 but you pay for it in modeling tools, a separate runtime, and a Java/Zeebe operational footprint. Oumma takes the BPMN core of what regulated processes actually need — tasks, exclusive gateways, parallel fork/join, start/end — and ships it as a product, with the controls an enterprise needs around it: The practical difference: an n8n workspace is a collection of clever automations; an Oumma deployment is a set of governed, versioned, auditable business processes — the difference between "it automates" and "the audit can trace it." This is where the no-code tools fall off the map. In n8n, "who can run/edit this workflow" is a workspace seat — there are no per-step roles, no claim that only a manager may complete the manager review step of your process. In Zapier, it's an account. Your real org chart the one in your IdP simply doesn't exist inside the platform. Camunda has user/role groups, but wiring them into a real enterprise IdP — SSO, group sync, claims — is integration work you build and maintain. Oumma's answer: the platform has no user database of its own. Identity is Keycloak; the platform validates the bearer token, reads the groups and department from the claims, and that's it: The practical difference: in n8n you explain your org chart to the platform or don't, and ship it ; in Oumma the org chart already exists — the platform just reads it and enforces it on every single action. The three above are the headline; these are the ones people discover in week two: The AI designs the process — and you still hold the pen. Ask the designer chat "add a manager review for orders above 1000 euros" and it edits the actual design document: new task, gateway, condition, role, form — all in the one pending version, visible on the canvas instantly, draggable if you disagree, and only live when you deploy. In n8n the AI where it exists edits node graphs; here it edits a governed BPMN artifact with versions, semver and a deploy gate. Every AI call is metered and attributable. Tokens are captured per call, per user, per department, per process, with a monthly cost rollup. The badge in the UI shows what this process has consumed this month. No LLM invoice mystery — the ledger is a Postgres table. One port, one binary, one Postgres. The whole platform — engine, auth proxy, forms, documents, agent, designer APIs, even the Mailpit inbox proxied at /mailpit/ — is one Go binary on one port with a Postgres database. No node cluster, no worker fleet, no separate identity service, no separate task service. You can read the whole backend in an afternoon; the entire source is Apache-2.0. The app knows its place. The React workspace has zero LLM configuration — no model names, no endpoints, no keys. Every AI capability designer chat, AI Assist, document analysis flows through the engine, where it's quota-gated and logged. That's why you can swap your LLM backend by editing one env var in docker compose and nothing in the app changes. | You're running… | You'll hit this wall… | Oumma is for you when… | |---|---|---| | n8n / Zapier | The workflow needs a real human step, a real approval chain, or an auditor will ask "prove who did what" | your automation is a business process onboarding, claims, orders with thresholds rather than an integration glue | | Camunda | You'd rather not operate a Java/Zeebe platform + build the identity and UI layers yourself | you want the same BPMN discipline with a working UI, IdP integration, metered AI and one-port deploy | | Spreadsheet + email + "call me" | Nothing above, and your process still works — at the price of every handoff | you want the process to exist somewhere — designed, versioned, audited, and mostly self-driving | The honest caveat: if you're gluing two SaaS tools together with no humans, no approvals and no compliance questions, stay on n8n or Zapier — that's their job and they do it well. Oumma earns its keep when the workflow is the business: regulated, multi-role, long-lived, and full of people. Everything in this article is reproducible from the repos: Both Apache-2.0. docker compose up — one port, one Postgres — and you can watch a human task get created, permission-checked, completed, and routed, with the AI handling everything around it. This is the first article of the Oumma series on Dev.to https://dev.to/tag/oumma — the follow-ups take you inside the platform: the designer's tabs, roles & permissions, forms, the normal user's day, AI Assist, external integrations, versioning, the engine under the hood, and identity & quotas. New articles land on the series page as they publish — follow the tag so you don't miss them.