Professional estimating tools for trade contractors. Fast, accurate, and built the way you actually work — with AI assistants built right in.
Professional job costing tools built for trade contractors. Free to try — upgrade for print, save, and AI advice.
The complete estimating tool for painting contractors. Paint brands, residential, commercial, materials checklist, and AI PaintBot.
Full job costing for carpenters. Framing, finish carpentry, cabinets, decks, and flooring with AI CarpentryBot.
Miter, bevel, and compound cut calculators. Crown molding, polygon frames, roof pitches, stair stringers and more.
Complete estimating for electricians. Rough-in, panels, fixtures, EV chargers, low voltage, and commercial work.
Full job costing for plumbers. Rough-in, fixtures, water heaters, drain & sewer, remodels, and commercial work.
Professional estimating for HVAC contractors. Equipment, ductwork, refrigerant, service, and commercial RTUs.
Complete estimating for roofers. Shingles, flat roof, metal roofing, repairs, and gutters with auto pitch multiplier.
Professional estimating for concrete contractors. Auto cubic yard calculator, flatwork, foundations, and decorative.
Full job costing for landscapers. Lawn care, hardscape, irrigation, planting, and maintenance contracts.
Professional estimating for abrasive blasting contractors. Media selection, PSI settings, surface prep, containment, and equipment with AI BlastBot.
Full estimating for drywall contractors. Hanging, taping, finishing, texturing, and patching with AI DrywallBot.
DONBE is a solo-built software company based in Murrieta, California. We build affordable, no-nonsense estimating tools for trade contractors who need to price jobs fast and accurately — without expensive software subscriptions.
Every tool is designed to work the way contractors think: straightforward inputs, instant calculations, and AI assistance when you need it. No bloat. No learning curve. Just open it and start estimating.
Our tools run directly in your browser — no app to download, no account to create. Built by a Contractor for Contractors and Tradesmen Nationwide.
10% of all DONBE earnings are donated to AnnDy Cap's — a California nonprofit focused on outreach for patients and families in need. Every estimate you run helps someone in your community.
Questions about our tools? Need support? We're here to help.