26 open-source BPM & Workflow vendors
Open-source software for BPM & Workflow that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 26
- European
- 9
- foreign-owned
- 2
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100AutomatischGermany · Self-hosted / open sourceGerman open-source workflow-automation alternative to Zapier.
- Sovereignty score 94 out of 100FlowableSwitzerland · Self-hosted / open sourceSwiss open-source BPM, CMMN and DMN platform for process automation
- Sovereignty score 94 out of 100Imixs-WorkflowGermany · Self-hosted / open sourceGerman open-source workflow engine based on BPMN 2.0 for Java applications
- Sovereignty score 94 out of 100JogetGermany · EU sovereignOpen-source no-code/low-code platform combining BPM, workflow and app building
- Sovereignty score 94 out of 100KestraFrance · Self-hosted / open sourceKestra is an open-source, event-driven orchestration platform for data, AI, and infrastructure workflows, built by Paris-headquartered Kestra Technologies (legally registered in La Madeleine, near Lille, France). Released under Apache 2.0, it lets teams declaratively define and run batch and event-driven workflows (YAML-based) with 1600+ plugins, and is used by large enterprises. The company raised a EUR 21M Series A in March 2026 to expand the orchestration platform. Actively maintained: v1.3.26 shipped June 30, 2026, with 27k+ GitHub stars and continuous commit activity.
- Sovereignty score 94 out of 100LuigiSweden · Self-hosted / open sourceOpen-source Python framework for batch job pipelines with dependency resolution and visualisation, originally built by Spotify (Sweden).
- Sovereignty score 94 out of 100NussknackerPoland · Self-hosted / open sourceOpen-source low-code platform for real-time decision logic on Apache Flink, developed by TouK of Warsaw (Poland); offered as cloud service and self-managed.
- Sovereignty score 94 out of 100Ofelia (Bonita)France · EU sovereign · owner in BelgiumFrench open-source BPM and low-code platform for process automation
- Sovereignty score 94 out of 100ShuffleNorway · Self-hosted / open sourceOpen-source SOAR platform from Norwegian company Shuffle AS (Oslo) for automating security workflows; self-hosted or cloud.
- Sovereignty score 79 out of 100ActivitiUnited Kingdom · Self-hosted / open source · owner in United StatesOpen-source lightweight BPM and workflow engine for Java applications
- Sovereignty score 77 out of 100Trigger.devUnited Kingdom · Self-hosted / open sourceOpen-source platform (Apache 2.0) for background jobs, workflows and AI agents in TypeScript, by API Hero Ltd (Altrincham, UK); self-hostable.
- Sovereignty score 71 out of 100HatchetUnited States · Self-hosted / open sourceOpen-source orchestration engine for background tasks, AI agents and durable workflows, by Hatchet Technologies (US), MIT-licensed.
- Sovereignty score 71 out of 100WindmillUnited States · Self-hosted / open sourceOpen-source platform from Windmill Labs (US, team in Paris and San Francisco) that turns scripts into workflows, internal apps and data pipelines; self-hosted or cloud.
- Sovereignty score 69 out of 100Apache AirflowUnited States · Self-hosted / open sourceThe Apache Software Foundation standard for orchestrating batch-based data workflows and ETL processes via Python; no single controlling company.
- Sovereignty score 69 out of 100Argo WorkflowsUnited States · Self-hosted / open sourceOpen-source, container-native workflow engine for parallel jobs on Kubernetes. CNCF project (Linux Foundation, US), Apache-2.0.
- Sovereignty score 69 out of 100CadenceUnited States · Self-hosted / open sourceFault-tolerant, scalable workflow orchestration engine by Uber, now a CNCF Sandbox project; actively maintained and not superseded by the later fork Temporal.
- Sovereignty score 69 out of 100ConductorUnited States · Self-hosted / open sourceOpen-source microservice orchestration engine, originally by Netflix, now maintained by Orkes (Cupertino, US) and the community; self-hostable with an optional Orkes Cloud.
- Sovereignty score 69 out of 100DBOSUnited States · Self-hosted / open sourceOpen-source library (MIT) for durable workflows in applications, built by DBOS, Inc. (United States), storing state in Postgres.
- Sovereignty score 69 out of 100FlyteUnited States · Self-hosted / open sourceCloud-native, open-source workflow orchestrator for machine learning and data engineering; a Linux Foundation AI & Data project with no single controlling company.
- Sovereignty score 69 out of 100Form.ioUnited States · Self-hosted / open sourceOpen-source form and data management platform (Dallas, US) for complex, human input steps within enterprise workflows; self-hostable.
- Sovereignty score 69 out of 100jBPMUnited States · Self-hosted / open sourceJava-based open-source BPMN 2.0 workflow engine, part of Apache KIE (an Apache Software Foundation incubating project); fully self-hostable.
- Sovereignty score 69 out of 100PrefectUnited States · Self-hosted / open sourceModern open-source alternative to Airflow by Prefect Technologies (US), with real-time data flows and low overhead; self-hostable with an optional Prefect Cloud.
- Sovereignty score 69 out of 100RundeckUnited States · Self-hosted / open sourceRunbook automation by PagerDuty (San Francisco), with an open-source edition under Apache 2.0 and a PagerDuty-managed service.
- Sovereignty score 69 out of 100StackStormUnited States · Self-hosted / open sourceOpen-source event-driven automation platform under Apache 2.0, maintained as a project of LF Projects (US); self-hosted.
- Sovereignty score 69 out of 100ToolJetUnited States · Self-hosted / open sourceOpen-source low-code framework (San Francisco, US) for internal tools and approval workflows; self-hostable with an optional ToolJet Cloud.
- Sovereignty score 61 out of 100Temporal.ioUnited States · Non-EU vendorOpen-source, durable workflow orchestration engine (Go/Java/Python/TypeScript) by Temporal Technologies (US); open-source core with a commercial Temporal Cloud SaaS.
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