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Top Rated Solar Software with Free

Last updated: June 2026

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4 software options

Onshape logo

Full-cloud 3D CAD system for design teams

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Onshape is a cloud-based 3D CAD solution for agile design & engineering teams, with tools for version control, collaboration, analytics, reporting, and more

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WEX Field Service Management logo

Web based field management tool for contractors

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WEX FSM provides service businesses with a cloud-based work management tool that enables contractors and technicians to manage back office and field operations across inbound call management, appointment scheduling, job reminders, dispatch, maintenance planning, invoicing and more

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FINALCAD logo

Mobile based construction management solution

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FINALCAD provides a mobile-based construction and predictive analytics solution for architects and site engineers to manage the construction project lifecycle

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BAESS Labs logo

AI solar PV design & BOQ generation platform

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BAESS Labs is an AI-powered solar photovoltaic design platform enabling engineers to create system designs and generate bills of quantities. Features include intelligent module placement, shading analysis, financial modeling with ROI and NPV calculations, and hourly energy forecasts with weather data integration. The software offers a visual designer for configuring inverters and optimizing layouts with real-time feedback.

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