OpenConstructionERP vs Bidwright

OpenConstructionERP9.4Visit Bidwright9.3Visit

Higher score OpenConstructionERP #1 in Construction Estimating Software 9.4/10 Free plan Free plan✓ 4 of 5 features Visit site

vs

Bidwright #2 in Construction Estimating Software 9.3/10 Free plan Free plan✓ 4 of 5 features Visit Bidwright

• OpenConstructionERP fits best

  Open-source teams needing full estimating depth

• Bidwright fits best

  Open-source estimators with advanced takeoff needs

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Side by side

Feature	OpenConstructionERP 9.4/10 Visit ↗	Bidwright 9.3/10 Visit ↗
At a glance
Editor score	9.4	9.3
Ranking	#1 in Construction Estimating Software	#2 in Construction Estimating Software
Best for	Open-source teams needing full estimating depth	Open-source estimators with advanced takeoff needs
Pricing model	Free	Free
Starting price	Free plan	Free
Free plan	✓	✓
Free trial	—	—
Deployment	Self-hosted, Desktop	Desktop, Self-hosted, Cloud
Platforms	Web, Windows, macOS, Linux	Web, Windows, macOS, Linux
Support	Email, Community, Docs	Community, Docs
Integrations	6 integrations	7 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business
Features OpenConstructionERP 4/5 · Bidwright 4/5
Digital takeoff	✓	✓
Assembly library	✓	✓
Labor and material costs	✓	✓
Bid management	✓	✓
Accounting integrations	—	Not checked yet
Specs
Estimate limit	Not checked yet	Not checked yet
Platform	Hybrid	Hybrid
Our review
Pros	BOQ, cost databases, assemblies, and hierarchical estimate management CAD/BIM and PDF takeoff across major construction file formats Free AGPL-3.0 model with web, desktop, API, and self-hosted options	2D PDF and 3D model takeoff across major construction file formats Linked worksheets, ratebooks, labor units, and reusable assemblies Free desktop and self-hosted options with optional AI review
Cons	Accounting integrations are not included The broad feature set may exceed the needs of simple estimating teams AI-assisted workflows require connections to external LLM providers	Self-hosting requires Docker and server administration AI usage requires customer-provided model keys and provider billing Managed hosted version is still on an early-access waitlist
Our verdict	OpenConstructionERP is an open-source, self-hosted construction ERP for companies managing estimating and project workflows. Its core scope covers bills of quantities, hierarchical cost estimates, construction cost databases, resource… Read the review →	Bidwright is an open-source construction estimating workspace for contractors and trade estimators handling complete bid workflows. It brings bid intake, document viewing, digital takeoff, estimating worksheets, ratebooks, reusable… Read the review →

Strengths and trade-offs

• OpenConstructionERP — where it wins

  • BOQ, cost databases, assemblies, and hierarchical estimate management
  • CAD/BIM and PDF takeoff across major construction file formats
  • Free AGPL-3.0 model with web, desktop, API, and self-hosted options

  Where it doesn't

  • Accounting integrations are not included
  • The broad feature set may exceed the needs of simple estimating teams
  • AI-assisted workflows require connections to external LLM providers

• Bidwright — where it wins

  • 2D PDF and 3D model takeoff across major construction file formats
  • Linked worksheets, ratebooks, labor units, and reusable assemblies
  • Free desktop and self-hosted options with optional AI review

  Where it doesn't

  • Self-hosting requires Docker and server administration
  • AI usage requires customer-provided model keys and provider billing
  • Managed hosted version is still on an early-access waitlist

• OpenConstructionERP9.4/10 · Free plan

  A free, open-source estimating platform with unusually broad takeoff, modeling, and tendering coverage.

  Visit siteFull verdict →
• Bidwright9.3/10 · Free plan

  A free, open-source workspace for detailed takeoff, estimating, review, and bid delivery.

  Visit BidwrightFull verdict →