- fix(mothership): preserve workflow identity in background confirmations
- fix(files): retain known lineage through binary exports and extraction
- fix(code-placeholders): make python bare-placeholder classification and tagged-template edits linear
- fix(execution): make code placeholder and reference scans linear
- @icecrasher321
- @waleedlatif1
Sim by Sim Studio
Pulse Score
19 / 100
Rank #118 of 157
Downloads, last 7 days
12
down 64.7% vs previous week
Downloads, last 30 days
96
down 20.7% vs previous 30 days
GitHub stars
29.8K
about +8 a day
Latest release
0.9.14
yesterday · 49 in 30 days
Price
Free
checked Oct 5, 2026
Overview
An open-source workspace for building, deploying and monitoring AI agent workflows on a visual canvas.
Sim was downloaded 12 times from npm in the week ending Oct 4, 2026, down 64.7% on the week before and down 20.7% over the last 30 days compared with the 30 before. The GitHub repository has 29.8K stars, 290 of them added in the last 30 days. The latest stable release is 0.9.14, published Oct 5, 2026; there were 49 stable releases in the past 30 days.
Sim usage and attention over time
Download the raw daily series: sim.csv
Install Sim
| npm | npm install -g simstudio |
|---|
These commands use the packages tracked on this page. The vendor may recommend a different installer; see the official documentation.
Key facts
| Maker | Sim Studio |
|---|---|
| Type | Visual agent builder |
| License | Apache-2.0 |
| Interfaces | Web app, Self-hosted |
| Main language | TypeScript |
| Open issues and PRs | 392 |
Pricing
Sim can be self-hosted for free. The hosted service has a free tier and paid plans; see the pricing page.
Source: official pricing page, checked Oct 5, 2026. Prices change often; confirm before you buy.
Pulse Score breakdown
Adoption0
Community62
Attention—
Momentum29
Each component is scored 0 to 100 from public signals; a dash means no data for it. Methodology.
What changed: recent Sim releases
- feat(library): Slack AI Agent Security: Permissions, Data, and Audit Guide
- feat(library): Best HubSpot Alternatives for AI Marketing Automation in 2026
- feat(library): How do you build an AI voice agent with Twilio and Sim?
- improvement(knip): check entry exports of private packages and delete their dead barrels
- improvement(tools): stop exporting tool types used only in their own file
- improvement(tools): delete unreferenced tool response types and the dead generic resource data path
- feat(forks): compare last synced source deployments
- feat(youcom): add You.com integration
- feat(search): browse Lucid folders and Notion pages
- feat(library): How to Use a Postgres MCP Server With AI Agents: Security, Deployment, and Evaluation
- feat(powerbi): add Power BI actions
- fix(docs): document You.com tools and expand shared output spreads
- Published simstudio-ts-sdk@0.2.1 to npm.
- Published simstudio-sdk==0.2.1 to PyPI.
- improvement(audits): enforce console, helper, render-path, persist, and deployment-flag rules
- fix(deps): bump mammoth to 1.12.3
- fix(logging): name the driver cause and redact bound params in logged errors
- fix(files): resolve chat uploads whose names are not in VFS form
- fix(search): reuse managed MCP sessions within operations
- docs(agents): accurate guidance, guardrail map, and check:guidance-refs
Sim alternatives
| # | Agent | Pulse | Downloads 7d | 7d | 30d | VS Code installs | Stars | Latest release | Price | Last 90 days | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 |
n8nn8n |
74 | 141K | up 30.2% | down 24.3% | — | 207K+92/day | 2.41.7yesterday | Free | ||
| 12 |
DifyLangGenius |
63 | — | — | — | — | 158K+73/day | 1.17.126d ago | Free | ||
| 43 |
FlowiseFlowiseAI |
49 | 2,943 | up 1.1% | down 9.3% | — | 55.5K+6/day | 3.1.42mo ago | Free | ||
| 47 |
LangflowLangflow (DataStax, an IBM company) |
47 | 14.5K | up 32.2% | down 26.6% | — | 156K+32/day | 1.12.47d ago | Free (OSS) | ||
| 66 |
ActivepiecesActivepieces |
41 | — | — | — | — | 24.9K+22/day | 0.92.16d ago | Free | ||
| 73 |
Coze StudioByteDance |
38 | — | — | — | — | 21.7K+4/day | 0.5.18mo ago | Free (OSS) | — | |
| No agents match that filter. | |||||||||||
Sim FAQ
How much does Sim cost?
Sim can be self-hosted for free. The hosted service has a free tier and paid plans; see the pricing page.
Is Sim open source?
Yes. Sim is open source, released under the Apache-2.0 license.
How popular is Sim?
Sim was downloaded 12 times from npm in the week ending Oct 4, 2026, down 64.7% on the week before and down 20.7% over the last 30 days compared with the 30 before. The GitHub repository has 29.8K stars, 290 of them added in the last 30 days. The latest stable release is 0.9.14, published Oct 5, 2026; there were 49 stable releases in the past 30 days.
What is the latest version of Sim?
The latest stable release we track is 0.9.14, published on Oct 5, 2026.
What are the alternatives to Sim?
The closest alternatives in the same category by Pulse Score are n8n, Dify, Flowise, Langflow.
Where these numbers come from
npm: simstudio. GitHub: simstudioai/sim. Site rank: sim.ai on the Tranco list. See data sources for how each one is collected.