Low-Code · Low-Code Platformsactive

Sim

Type: low-code · Vendor: Sim Studio · Language: TypeScript · License: Apache-2.0 · Status: active · Status in practice: emerging · First released: 2025

Links: homepage repo

Provide a drag-and-drop canvas for building and deploying multi-agent workflows, where blocks for models, tools, and logic are wired into an executable graph without writing orchestration code.

Description. Sim (Sim Studio) is an open-source, drag-and-drop platform for building agentic workflows as visual graphs. Builders wire together blocks — model calls, tools, API connectors, conditionals, and loops — on a canvas that compiles to an executable workflow, with code escape hatches for custom logic. It is positioned as a 2026-native alternative to Langflow and Flowise for teams that want visual orchestration with deployment built in.

Agent loop shape. A visual graph of typed blocks compiled to an executable workflow; control flow is the wired canvas rather than imperative code.

Primary use cases

  • visual agent workflows
  • internal automations
  • RAG and tool pipelines
  • rapid prototyping

Patterns this low-code implements —

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