🧰 Contractor Toolbox

Free deck design with printable plans and material lists

Design decks with Trex products, download shopping lists and blueprints

Deck planner with permit submittal pages and materials lists

Interactive deck design tool for collaboration and sharing

3D deck designer with product options, save multiple designs

Online 2D/3D floor plan creator

2D and 3D floor plans, room design, kitchen/bath/deck/landscape

Floor plan creator with 3D rendering, kitchen/bath customization

Free online 3D kitchen planner with guided design

Plan kitchens using IKEA products with 3D visualization

Browser-based 3D modeling — the industry standard lite version

Autodesk's beginner-friendly 3D modeling tool

Professional-grade open-source 3D modeling suite

Drag-and-drop garden/landscape planner

100+ construction calculators: concrete, drywall, roofing, framing, more

Estimating materials & costs for renovation, roofing, concrete, siding

Concrete, drywall, paint, fencing, insulation calculators

Concrete, paint, drywall, roofing, flooring calculators with industry formulas

21 free calculators for framing, concrete, roofing, drywall with regional pricing

Material quantity calculators for concrete, paint, tiles, and more

Downloadable construction calculators — drywall, markup, labor cost

Concrete, drywall, paint, flooring, roofing calculators

Manual J-based BTU calculator for residential HVAC sizing

Free Manual J calculator for HVAC load calculations

Voltage drop, wire size, electrical load calculators

All-in-one team management: scheduling, time tracking, tasks, chat

Kanban-style project boards, unlimited cards on free plan

Task management, timelines, project tracking (free ≤10 users)

Project management with Gantt charts (free 3 users, 2 projects)

Tasks, discussions, milestones, time tracking — core features free

Open-source desktop Gantt chart project management

Construction field management: drawings, tasks, punch lists

Open-source invoicing with templates and payment tracking (free ≤20 clients)

Invoicing and basic accounting for small businesses

Clean invoicing with automated reminders and expense tracking

Free downloadable construction contract templates (PDF/Word)

Free construction contract templates with e-signature

Free editable construction contract template

41 free construction contract templates

Searchable building code database by jurisdiction (IBC, IRC, etc.)

Free online read access to ICC model codes (IBC, IRC, etc.)

American Wood Council span table tutorials and resources

Joist and rafter span tables for Southern Pine lumber

Span charts and IRC building codes for girders and headers

Comprehensive unit conversion tools for construction measurements

Official OSHA safety standards, regulations, and educational materials

Free toolbox talks, safety chats, and training for fall prevention

130+ free downloadable toolbox talks with handouts

Free PDF toolbox talk downloads for crew safety meetings

Free safety talks and toolbox topic ideas for construction

Free unrestricted SDS database from major manufacturers

4.5+ million safety data sheets searchable online

Design social media posts, flyers, business cards, logos with templates

Simple free website builder integrated with Google Workspace

Simple one-page websites — great for contractor landing pages

Schedule and publish social media posts (free for 3 channels)

Open-source desktop accounting — no subscription, double-entry

Accounting, invoicing, and receipt scanning for small businesses

Contact management, deal tracking — free forever up to 1K contacts

AR-based measurement tool built into every iPhone

GPS-based land area measurement and surveying for field work

Photo documentation for contractors with project organization

Free time tracking with timesheets, reports — unlimited users

Time & attendance with GPS and facial recognition — unlimited users

Time tracking app built specifically for construction crews

Official NWS forecasts — most accurate, no ads

Kansas City MO's online permitting — permits, plan reviews, inspections

KCMO contractor license requirements and application

JoCo contractor licensing — 11 types of construction licenses

Search Johnson County registered contractors

Call/click before you dig — utility locate service for Kansas

Call/click before you dig — utility locate service for Missouri

National 811 directory with links to every state program

Pro pricing, bulk ordering, delivery, and project calculators

Free job posting, skilled labor hiring, and training resources

Pro services, tool rental, quotes, and business credit

Free product selectors, connectors catalog, and engineering resources

Official OSHA training materials, eTool modules, compliance guides

Free skilled trades training and certification programs

Lifetime craftsman sharing construction skills, tool use, career advice

Master finish carpentry: baseboards, crown, doors, high-end details

Construction business consulting — pricing, profit, systems

Building science, best practices, product reviews for builders

Professional building techniques, code updates, and best practices