- Pricing
- free
- Platforms
- Not verified
- Markets
- Not verified
- Status
- Unverified
- Listed
- Aug 23, 2026
- Category
- Open Source Platforms
Open official siteWhat is LEAN?
Open-source algorithmic trading engine powering QuantConnect.
Source: https://github.com/QuantConnect/Lean
Category: Open Source Platforms. Browse the full products directory.
Best for
Engineers who need the Free open-source LEAN engine listing that powers QuantConnect.
Features
Product feature lists are only shown when verified. Catalog tags are index labels, not marketing claims.
Catalog tags on this listing:
- open source
- github
- terminal
- quant
- backtesting
- type:platforms
Pricing
LEAN is listed with a free pricing tier. Plan names and dollar amounts are not verified on this page.
Pros
Catalog notes — not independently verified claims.
- Catalog tags include open-source, github, terminal, and quant
- Free pricing tier on the listing
- Stored description states it powers QuantConnect
Cons
- Not the hosted QuantConnect product row
- Ops and data costs are not stored here
Integrations
Platform and catalog tags on this listing, plus published brokers that share those platform tags.
- open source
- github
- terminal
- quant
- backtesting
Alternatives
Published products with overlapping catalog tags or the same category.
VectorBTUltra-fast vectorized backtesting and portfolio analysis for Python.
BacktraderFeature-rich Python framework for backtesting and live trading.
JesseAdvanced crypto trading framework for research, backtesting and live trading.
CCXTUnified cryptocurrency trading API across 100+ exchanges.
Gamestonk TerminalCommunity-driven investment research terminal (OpenBB precursor).
OpenBB TerminalLegacy OpenBB terminal that popularised open-source Bloomberg-style research.Competitors
Other published Open Source Platforms products, excluding the alternatives above.
LEAN comparisons
Editorial catalog pairs only. We do not generate every combination.
No editorial comparison for LEAN yet. See the comparisons hub.
User reviews
No reviews yet. Signed-in traders can rate LEAN from their own use.
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Related products
Similar published products in Open Source Platforms, plus the category and comparison hubs.
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HummingbotOpen-source market making and arbitrage client for CEX and DEX venues.Also see the Open Source Platforms category, products directory, and named comparisons.
Awaiting verification
Platforms, Markets — not verified yet. Traderfolio does not invent missing fields.
Discovery floor
Keep exploring
Related catalog picks so you never hit a dead end — same pattern as category hubs.
More in Open Source Platforms
Fincept TerminalNative C++20/Qt6 financial research terminal with embedded Python analytics.OpenBBOpen-source investment research platform for equities, crypto, macro and more.QlibMicrosoft AI-oriented quantitative investment platform.NautilusTraderHigh-performance event-driven backtesting and live trading platform.FreqtradeFree open-source crypto trading bot with strategy backtesting and ML hooks.HummingbotOpen-source market making and arbitrage client for CEX and DEX venues.