Draft assembly work instructions in minutes, not weeks
Dirac is an assembly automation software company that bridges the gap between CAD design and manufacturing by automatically generating precise work instructions from CAD files. Its flagship product, BuildOS, uses physics and geometry simulations to unify ERP, PLM, and MES systems — automating ECOs, assembly sequencing, and work instructions that traditionally take weeks or months to draft manually. Dirac enables manufacturers to create work instructions for complex mechanical assemblies in minutes, with use cases spanning aerospace, defense, and precision manufacturing. In August 2025, Dirac announced a $10.7M funding round and a strategic partnership with Siemens to accelerate the integration of BuildOS with Siemens' manufacturing software ecosystem.
Tech & App Stack is available on paid plans
Upgrade to Silver or higher to reveal the full technology and app stack for any company.
View pricingCreate a free account to see funding visualizations and detailed round data.
Create Free AccountMay 2021
Apr 2020
Create a free account to see which investors have funded this company.
Create Free Account
Didi Chuxing is a mobile transportation platform, offering a full range of commuting options to 4...

Grab is Southeast Asia's leading super-app, providing ride-hailing, food and grocery delivery, di...

Indonesia's leading on-demand super-app offering ride-hailing, food delivery, logistics, payments...
India's largest ride-hailing platform offering cab bookings, auto-rickshaws, bike taxis, and fina...
Bird is an electric vehicle maker and bike-sharing network focused on sustainability.

GoTo is Indonesia's largest technology group, combining on-demand services (Gojek), e-commerce (T...