Sim vs Kestra vs Flowise
Side by side, from each listing’s own data. A row where every column says the same is shown once, dimmed.
 Simby Sim StudioRemove Sim from this comparison |  Kestraby Kestra TechnologiesRemove Kestra from this comparison |  Flowiseby FlowiseAIRemove Flowise from this comparison | |
|---|---|---|---|
| Sets it apart |
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| What it is | Builds agent workflows on a visual canvas and ships each one as a versioned REST endpoint or MCP tool, connecting 1,000+ integrations and every major LLM. | Orchestrates event-driven workflows declared in YAML, with a REST API and MCP server so agents can trigger, monitor, and inspect pipeline executions. | Open-source drag-and-drop UI for building LLM flows and AI agents. Deploy as a self-hosted server with REST API for integrating chains and agent workflows into apps. |
| Provider | Sim Studio | Kestra Technologies | FlowiseAI |
| Official vendor | Not an official listing | Not an official listing | Flowise |
| Verified | YesSame for all | ||
| Access | API, MCP | API, MCP, CLI | API |
| Auth | API KeySame for all | ||
| MCP server | In its setup guide | In its setup guide | No MCP server |
| CLI install | No CLI | In its docs | No CLI |
| API base URL | In its docsSame for all | ||
| Skills | Visual Workflow Builder, API Workflow Deployment, MCP Tool Deployment, Knowledge Base Ingestion, Run Monitoring And Logs | Flow Execution, Execution Monitor, Schedule Management | Drag-Drop Builder, REST Export, Tool Agents, Self-Hostable, Vector Stores & Embeddings |
| Streaming | Yes | No | Yes |
| Push notifications | NoSame for all | ||
| Categories | Orchestration, Infrastructure & Ops | Orchestration, Scheduling & Workflow, Infrastructure & Ops | Infrastructure & Ops, Orchestration |
| Tags | visual-workflow-builder, drag-and-drop-canvas, mcp-deployment, self-hosted, knowledge-base, scheduled-tasks, rest-endpoint, open-source | workflow-orchestration, event-driven, declarative-yaml, data-pipelines, execution-monitoring, plugins, self-hosted | visual-builder, open-source, llm-flows, self-hosted, no-code, agent-builder |
| Listed since | Aug 1, 2026 | Sep 18, 2026 | Apr 13, 2026 |
| Use it now | |||
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