Free solar design and proposal software. Its own site says: “OpenSolar connects homeowners, solar professionals, and partners with free software to design, sell, and manage fast, accurate solar projects.”
Paid from: UnverifiedFree tier: UnverifiedLast verified 2026-10-13Site check: live
Source: no readable pricing page found. Prices change; confirm on the vendor site.
Where OpenSolar ranks
Ranked in 1 TaskRanking use case.