Sim
Open-source workspace for AI agents and workflows
Sim launched on July 10, 2026 with 577 votes, #17 of 24,623 launches that month and more than 99% of that year's launches.
In plain words
Sim is an open-source workspace designed for building agentic workflows. It allows users to connect AI agents and workflows to over 1,000 integrations and language models. Built for developers working with artificial intelligence, Sim provides a platform to orchestrate and manage complex AI-driven processes without vendor lock-in.
written from the facts on this page · September 2026
From the sources
Sim is an open-source workspace to build agentic workflows. Connect your AI agents and workflows to 1,000+ integrations and LLMs.
Sim is the open-source AI workspace where teams build, deploy, and manage AI agents across 1,000+ integrations and every major LLM, visually or with code.
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Sim – Apache-2.0 n8n alternativeDec 2025 · github.com · ▲240Hey HN, Waleed here. We're building Sim (https://sim.ai/), an open-source visual editor to build agentic workflows. Repo here: https://github.com/simstudioai/sim/. Docs here: https://docs.sim.ai. You can run Sim locally using Docker, with no execution limits or other restrictions. We started building Sim almost a year ago after repeatedly troubleshooting why our agents failed in production. Code-first frameworks felt hard to debug because of implicit control flow, and workflow platforms added more overhead than they removed. We wanted…
SimplAI2025 · simplai.ai · ▲589Hey HN, I've been building SimplAI for the past several months — it's a platform for building, testing, and deploying LLM-powered agents and multi-step workflows. The problem I kept running into: spinning up an AI agent pipeline means stitching together prompt management, tool calling, memory, evals, and deployment — often from scratch every time. SimplAI tries to be the layer that handles all of that so you can focus on what your agent actually does. What it does: - Visual + code-first workflow builder for chaining LLM calls, tools, and APIs - Built-in prompt versioning and A/B testing…
- SBSim – Build, deploy, and manage AI agents that automate real workSep 2026 · betalist.com
Sim is an open-source AI workspace for building, deploying, and managing AI agents. Teams connect over 1,000 integrations and major LLMs, provide agents context with knowledge bases, tables, and files, and design logic visually, conversationally, or with code. Sim offers end-to-e
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