Best Sim Alternatives & Competitors 2026

Sim - AI Agent Workflow Builder is an open-source platform that lets you build and deploy AI agent workflows with a visual, drag-and-drop canvas, offering 100+ app integrations and scalable pricing plans.

A popular AI Workflow tool with 241.1K monthly visits. We've analyzed 20 similar AI tools to help you compare features, popularity, and ratings. Find the perfect alternative for your needs.

Quick Comparison

(Top 5 by Traffic)
ToolVisitsTop MarketGrowthRating
Sim
SimCurrent
241.1K
🇺🇸
United States23.9%
+29.1%
-
Composio
Composio
387.3K
🇺🇸
United States24.4%
-0.3%
-
Toolhouse
Toolhouse
329.0K
🇮🇳
India65.7%
-24.8%
-
Appsmith AI
Appsmith AI
219.6K
🇮🇳
India14.1%
-7.8%
-
CustomGPT.ai
CustomGPT.ai
162.9K
🇺🇸
United States18.4%
+3.6%
-
SmythOS
SmythOS
86.5K
🇺🇸
United States19.6%
+4.3%
-
Data based on traffic metrics from December 2025

Top 20 Alternatives to Sim

SmythOS
🌱Emerging Tool

SmythOS makes AI agent development fast, easy, and code-free. Perfect for automating workflows, boosting productivity, and integrating AI into any business.

US
19.65%
|
86.5K
|
5.0
CustomGPT.ai
Medium Scale

CustomGPT.ai is the #1 no-code platform for building custom AI agents, offering secure, efficient, and scalable solutions for businesses of all sizes.

US
18.35%
|
162.9K
|
5.0
FlowiseAI
Medium Scale

Flowise is an open-source, visual platform for building AI agents and chatbots, making it easy for anyone to create powerful AI systems without extensive coding.

US
14.18%
|
249.0K
|
5.0
SOLA
🌱Emerging Tool

Sola is an AI-powered RPA tool that automates repetitive tasks, making workflows faster and more efficient. It’s easy to use, works with any software, and is perfect for industries like legal, finance, and healthcare.

US
23.31%
|
73.9K
|
5.0
Appsmith AI
Medium Scale

Appsmith is the go-to low-code platform for developers looking to build custom apps quickly and securely. With its open-source nature, drag-and-drop interface, and powerful customization options, it’s perfect for automating processes, streamlining workflows, and modernizing legacy systems.

IN
14.09%
|
219.6K
|
5.0
Composio
Medium Scale

Connect 250+ apps effortlessly with Composio, the ultimate integration tool for AI agents.

US
24.44%
|
387.3K
|
5.0
Odin AI
🌱Emerging Tool

Odin AI is a versatile Gen AI platform that simplifies workflows, enhances productivity, and ensures data security, making it ideal for businesses of all sizes.

US
30.39%
|
21.0K
|
4.0
Octoparse AI - Workflow Automation Software
🌱Emerging Tool

Octoparse AI is a powerful, no-code platform that simplifies workflow automation, making it accessible for everyone to enhance productivity and efficiency.

US
20.46%
|
37.6K
|
4.0
Toolhouse
Medium Scale

Toolhouse lets anyone build and launch AI agents with a simple prompt, packed with integrations and trusted by top tech companies.

IN
65.66%
|
329.0K
|
5.0
Lyzr
🌱Emerging Tool

Lyzr Agent Studio is the ultimate platform for building AI agents that automate workflows and enhance business efficiency. With no-code solutions and pre-built templates, it’s perfect for businesses of all sizes.

IN
32.27%
|
29.0K
|
4.0
workstreams.ai
🌱Emerging Tool

Workstreams.ai is an AI-powered workflow management tool that helps teams collaborate, track tasks, and automate processes. With Slack and Teams integration, it’s perfect for teams of all sizes. Free for up to 3 users. ---

GB
66.77%
|
11.1K
|
4.0
Stack AI
Medium Scale

Stack AI is a no-code platform that empowers businesses to deploy AI agents securely and efficiently, transforming workflows and enhancing productivity.

US
40.22%
|
153.7K
|
5.0
AutoGPT
🚀Super High Traffic

AutoGPT is a powerful, user-friendly platform that makes AI accessible to everyone, enabling you to automate complex tasks with ease.

US
18.50%
|
504.0M
|
5.0
Unify
🌱Emerging Tool

Unify simplifies AI development by combining all models into one platform, offering faster, cheaper, and better performance.

US
41.98%
|
13.1K
|
4.0
Mimica

Mimica is a game-changer for businesses looking to improve processes and automate tasks efficiently.

US
44.17%
|
9.9K
|
3.0
Softgen.ai
Medium Scale

Softgen is an AI-powered web app builder that helps you create stunning, full-stack apps without coding. Describe your vision, and our AI handles the rest—code, design, and even real-time previews. ---

GB
25.88%
|
151.3K
|
5.0
AgentX
🌱Emerging Tool

AgentX is a no-code AI agent platform that simplifies chatbot creation, deployment, and management for businesses of all sizes.

US
14.49%
|
67.1K
|
5.0
Workik
Medium Scale

Workik is an AI platform that empowers developers and teams to build, manage, and automate their software projects with context-aware AI intelligence. From generating code and creating smart mock data to visualizing databases and automating workflows, Workik offers a wide range of features to boost productivity and streamline development processes.

US
24.44%
|
271.6K
|
5.0
Slack
🚀Super High Traffic

Slack is an AI-powered work platform that streamlines collaboration, automates workflows, and connects teams, making it easier to get things done.

US
29.71%
|
118.8M
|
5.0
crewAI
Medium Scale

CrewAI is a powerful multi-agent platform that simplifies workflow automation across industries, offering no-code tools, easy deployment, and performance tracking.

US
20.20%
|
417.1K
|
5.0
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