Fifteen single-file web tools for geotechnical, spatial and machine-learning work — bearing capacity, lateral piles, retaining walls, CPT interpretation, consolidation, working platforms, InSAR screening and more. Nothing to install, every calculation shown. Thirteen are free with a KeoGeo account; the two desktop downloads are A$50 one-off.
Geotechnical first, then AI & ML, then spatial. Each opens from its own page after a free sign-in; every tool shows its method, references and limitations.
Lateral pile capacity (Broms & Brinch Hansen) with layered soil profiles, groundwater, load application height and print-to-PDF reports.
AS 2870 shrink–swell calculator — characteristic surface movement and site reactivity classification.
Shallow foundation bearing capacity, sliding and settlement — strip, pad, circular and wind-turbine ring bases on layered ground, WSD or AS 5100.3 LSD.
CPTu interpretation and liquefaction screening — Robertson SBTn, design parameters, Boulanger & Idriss / NCEER triggering, LPI, LSN, stratigraphy and 3D site viewer.
1D consolidation settlement, creep and rate for embankments and preloads on soft ground — Mv or OCR methods, submergence goal-seek, Hansbo wick drains, time–settlement curve.
Nonlinear p-y lateral pile analysis — Matlock, Reese and API soil models, all five pile-head conditions, axial P-Δ, multi-section piles, closed-form verification suite.
Staged embedded retaining wall analysis — beam-on-springs model with limit-equilibrium factors of safety, live cross-section and moment, shear, displacement and pressure diagrams.
External stability of reinforced soil walls to TfNSW R57 — sliding, overturning, eccentricity and bearing for load combinations A–F, with layered foundations, undrained checks, seismic and strip loads.
Working platform design to BR 470 and TWf2024:03 side by side — tracked and wheeled plant, geogrid option, load-spread mats, method comparison charts and built-in verification.
Hoek–Brown (2002) rock mass strength calculator — mi, σci, GSI and D to equivalent Mohr–Coulomb c′ and φ′, σt, σc and Erm, with click-to-select reference charts.
Drag in a factual AGS file and get a draft interpretive report — site plan, test figures, per-unit statistics, derived parameters and cross-referenced text, exported to Word or PDF.
Transparent tabular machine learning in the browser — neural network, gradient-boosted trees and a Ridge baseline on any CSV or Excel table, with cross-validation, explainers and a report bundle.
An AI agent that works inside your live QGIS project — plan-then-act with approvals, local Ollama or API models, layer preflight, playbooks, batch runs and audited PyQGIS export.
Turn geotagged site photos into KML/KMZ, GeoPackage, Shapefile, GeoJSON and a shareable web map — photos embedded in each location pin with camera direction.
Ground-motion screening for InSAR point datasets — EGMS, HyP3 GeoTIFF and TRE Altamira products, velocity maps, time-series trends, section profiles, threshold screening and asset statistics.
Every tool is a single file that runs in your browser, shows its working, cites its sources and states its limits — and the QGIS courses that follow use the same real project data.
Every tool keeps its calculation trail permanently visible, in maths notation, with the numbers substituted — nothing hidden behind a toggle.
Bearing capacity, p-y piles, Coulomb walls, Robertson CPT, Hansbo drains, Hoek–Brown rock — each tied to its reference and its validity range.
Single-file HTML apps that run in the browser on any machine — thirteen free with a KeoGeo account, two premium desktop downloads at A$50 — with PDF and CSV export built in.
A progressive QGIS course path for the built environment — from "never opened QGIS" to automating professional geospatial workflows.
Five tiers, built in order: Introductory (install QGIS and make your first map), Beginner (real project data in and out), Intermediate (terrain, sections and a full site-investigation mini-project), Advanced (automation, LiDAR, CAD and PostGIS) and Expert (PyQGIS, custom Processing tools and plugins). The introductory tiers will be free; Advanced and Expert will be paid, with a signed certificate and 12 months of access.
Free tutorials and thirteen free web tools. KeoGeo Pro, the paid desktop tools, courses and consulting fund everything else.
The introductory tiers will stay free, and so do the free web tools. They get built and maintained around a full-time job, mostly at night.
If something here saved you an afternoon, a coffee is a good way to say so. It is not a subscription and it unlocks nothing — the free material stays free either way.
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