free tools
One job, one tool. A draft you check.
Small tools for the work in front of you, built for New Zealand. Some are a taste of an agent or a module you can add to your assembl operating system later. All of them are free to try.
Study machines
Free 3D machines for NCEA and Years 7 to 13, in assembly, the study app on the assembl Lab. Change one setting, watch what happens, then test yourself.
FreeNo sign-upRuns in your browser
Maths · Years 9 to 11straight-line machiney = mx + c, gradients, intercepts and inequalities with two tanks and a plotter.
Physics · Years 10 and 11energy machineEp, Ek, E = Pt, mcΔT and circuits on the Sky Tower, a jug and a flask.
Chemistry · Years 9, 10 and 12slushie machineFreezing, latent heat, sugar and energy flow inside a slushie machine.
Physics · NCEA Level 2four-stroke engineTake a one-cylinder engine apart. One crank angle drives every part and every gauge: pressure, torque and work per cycle.
Physics · Years 11 to 13wind tunnel machineDrag, downforce, balanced forces, P = Fv and smoke lines on a single-seater.
Maths · Years 7 to 10claw machineRelative frequency, tree diagrams and expected value: is it worth $2?
Science · Years 9 and 10particle machineHeating curves, melting, boiling and gas pressure, from ice to steam.
Biology · Years 9 and 10heart pump labTwo pumps, one circulation. Explore valves and compare forward output.
Simulated means each machine is a model built to teach one idea, and it says where it simplifies. Exam times are from NZQA’s 2026 timetable; check your admission slip. Not made by or endorsed by NZQA or the Ministry of Education.
Keep records and check the rules
Daily records and plain-English checks against New Zealand rules, each with its official source.
- food temp logFridge, freezer, hot-hold, cooking and cleaning checks for the day, saved as a private record only you can open.
- healthy homes checkThe five Healthy Homes Standards, for tenants, landlords and property managers, or trades, with the official wording checked live.
- privacy one-pagerYour data flows mapped to the Privacy Act 2020 principles, including IPP 3A for information you collect from someone else.
- holiday pay checkWhether holiday pay looks right under the Holidays Act 2003, with the section it should match. Never an amount owed.
Meetings and content
Minutes, captions, briefs and share cards, drafted for you to edit before anything goes out.
- meeting recorderRecord, upload or paste a meeting. Get minutes, decisions and actions to check before you share them.
- caption writerA draft caption for LinkedIn, Instagram, X or Facebook.
- tagline writerTagline options in five styles, for you to shortlist.
- brief writerA few notes in; a creative, pitch or project brief out.
- share card makerA share card for any link you post, made in your browser.
Home and household admin
Small tasters of DO and the household modules: the rates bill, the power switch, the school notice, the week’s meals.
- rates readerPaste or photograph a council rates notice. Get a plain-English breakdown of what you pay for.
- energy switch calculatorWhat switching each appliance to electric could save, and how long it takes to pay back.
- school notice checkSee how DO compares school notices and flags changed dates and times, before anything goes in a calendar.
- fridge to listPlan the week’s meals and the shopping list from what you have. A photo stays on your device.
Plan your operating system
Work out what your assembl OS should do first, and what the admin costs you today.
- first job specName one job you’d hand off. Get a draft spec for what your operating system would do first.
- project pickerThree questions about your team. Three ranked first projects, each with a one-page recipe.
- admin hours calculatorWhat unbilled admin hours cost a year, and what handing some of it off could be worth, at your own rate.
how they work
Free, and plain about what they are.
Drafts, not decisions
Every result is a draft for you to check. Nothing is sent, filed, lodged or paid by a free tool.
Sources you can open
Where a tool talks about New Zealand rules, it links the official page and says when it was checked.
Little kept
Most tools keep nothing you type. The food temp log saves a private record you open with your own link, kept for 90 days.
Honest when the model is down
Some tools use an AI model. When it isn’t available they say so, and use a built-in template instead.
Not legal, tax, financial or employment advice. Draft-only disclaimerPrivacyTerms
Want a set of these working together for your business? Ask about an assembl operating system.