Tally / EC3
Building Transparency provides open data and tools to inspire actions that positively impact our world.
Category: Sustainability
Best for: Architects, contractors
Pricing: Free plan / trial (seen on pricing page: EC3 free; API memberships $5,000+) · pricing page
Website: www.buildingtransparency.org/
Last verified on the official site: 2026-10-16. Prices change — confirm with the vendor.
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