
yEd
draw.io
LucidChart
OmniGraffle
PlantUML
Dia
UMLGraph
Gliffy
CloudQuant
Quantopian
QuantConnect
Backtrader
Quantreex
QuantRocket
Intrinio
Gekko Plus
yEd
CloudQuantdraw.io - Online diagramming application
Quantopian - Your algorithmic investing platform
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
QuantConnect - QuantConnect provides a free algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies. We are democratizing algorithm trading technology to empower investors.
OmniGraffle - OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.
Backtrader - Backtrader is a complete and advanced python framework that is used for backtesting and trading.