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Open Source Licenses

Vernier.io uses the following open source libraries. We are grateful to the open source community for making these tools available.

Frontend Libraries

Chart.js MIT License
Simple yet flexible JavaScript charting library for the modern web. Used for analytics dashboards, portfolio charts, and training data visualization.
chartjs.org · Version 4.4.7
Leaflet BSD-2-Clause License
Open-source JavaScript library for mobile-friendly interactive maps. Used for bid map, customer map, office locations, and analytics visitor map.
leafletjs.com · Version 1.9.4
PDF.js Apache License 2.0
Mozilla's PDF rendering library for the browser. Used for plan viewing, document preview, and PDF text extraction.
mozilla.github.io/pdf.js · Version 3.11.174
Font Awesome SIL OFL 1.1 / MIT License
Icon library. Font files licensed under SIL OFL 1.1, CSS/JS under MIT License.
fontawesome.com · Version 6.5.1
Transformers.js Apache License 2.0
HuggingFace's library for running machine learning models in the browser. Used for on-device offline vision AI.
huggingface.co/transformers.js · Version 3.3.3

Fonts

Inter SIL Open Font License 1.1
A typeface designed for highly legible UI screens. Designed by Rasmus Andersson. Used for all body text, headings, and labels.
Google Fonts
JetBrains Mono SIL Open Font License 1.1
A typeface for developers featuring tabular figures and clear glyph distinction. Used for all numeric cells, money, and code.
Google Fonts

Map Tiles

CARTO Dark Matter Basemap CC BY 3.0
Dark-themed map tiles by CARTO, based on OpenStreetMap data. Used for all map views.
carto.com/basemaps
OpenStreetMap ODbL 1.0
Map data © OpenStreetMap contributors. Used as the underlying geographic data for all maps.
openstreetmap.org

Backend Services

PaddleOCR Apache License 2.0
Multi-language OCR toolkit by PaddlePaddle. Used in the VernierEngine service for plan text extraction.
github.com/PaddlePaddle/PaddleOCR
PyMuPDF (fitz) AGPL-3.0
Python bindings for MuPDF, used for PDF processing and scale bar detection in VernierEngine.
pymupdf.readthedocs.io

AI Models

Mozilla/distilvit Apache License 2.0
0.2B parameter vision model by Mozilla. Used for optional on-device offline photo analysis.
huggingface.co/Mozilla/distilvit

Geocoding

Nominatim ODbL 1.0
OpenStreetMap geocoding service. Used for customer map and location lookups.
nominatim.org
ipapi.co Free Tier
IP geolocation API. Used for visitor analytics map.
ipapi.co

© 2026 Aviat Group, LLC · Vernier.io · All rights reserved.

This page lists third-party open source software used in the Vernier.io platform. Each package is governed by its respective license. Vernier.io itself is proprietary software.