Lean
Lean

Lean

Measured by AhrefsDR40Ahrefs DR: 40/100. Below median. Measured by Ahrefs. Median 44.Measured by StartupHub.aiAgent59Agent Readiness: 59/100. Top 25%. Measured by StartupHub.ai. Median 41.Measured by Google PageSpeedSpeed74Site Speed: 74/100. Above median. Measured by Google PageSpeed. Median 62.Measured by StartupHub.aiTrust82Data Trust: 82/100. Top 25%. Measured by StartupHub.ai. Median 61.

AI-powered platform for managing and optimizing software development workflows.

2019InactiveSan Francisco, United States

About

LEAN is the world's leading open-source quantitative trading technology. It is a professional-caliber, event-driven algorithmic trading platform that allows users to research, backtest, optimize, and live-trade on hundreds of venues. LEAN serves quants, engineers, and scientists looking to build and deploy algorithmic trading strategies.

Key facts

Website
lean.io
Headquarters
San Francisco, United States
Founded
2019
Business model
B2B

Tech stack

Detected on lean.io, last scanned 23 May 2026.

Frontend
Bootstrap

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Frequently asked

Is Lean trustworthy and reputable?

StartupHub's Data Trust & Reputation score for Lean is 82 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.

What is Lean's current status?

Lean's current operating status is: Inactive.

A tool we built

API and MCP Security Scanner

See what an API or MCP server gives a stranger: transport, auth, CORS, rate limits, and which tools answer with no credentials. Use it before you publish an endpoint.

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SEC filings, insider activity, nonprofit links and pay benchmarks for Lean:

Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules