O

open source

LotusGraph – A hybrid, AI-ready graph database with a Rust core and Python API. Combines Property Graphs and RDF triples for scalable, high-performance graph analytics. Features real-time streaming, graph neural network support, predictive insights, and edge/IoT deployments. https://roxanneardary.com/lotusgraph/

InstantIndex is a privacy-first, locally hosted search engine that combines ultra-fast crawling, adaptive AI learning, and optimized archiving. Users can select their preferred language, and the system evolves its knowledge base based on search behavior while maintaining full data privacy. Optional modules include Paid Ad Video rewards, with verified viewing and secure digital wallet payouts. InstantIndex delivers personalized, accurate, and randomized results without compromising speed, space efficiency, or security. https://roxanneardary.com/instantindex/

Get time in ISO format, in UTC timezone, from a simple, modern, lightweight node server

Fast OpenAPI mock server CLI tool in Rust

The open-source level-4 system.

open source weather map for android using open data by Deutscher Wetterdienst (DWD)

mirror repo

mirror repository for TinyWeatherForecastGermany

alternative mirrors available at GitHub, Framagit and Gitea

SuperSakura, a modern engine for old visual novels etc.

An attempt to construct a specification for a new class of electronic stringed instrument which uses optical sensors rather than magnetic sensors, with full waveform reconstruction rather than synthesis performed at the processor in the base station it connects to. This design is offered as an open source project to see if it would be possible to create a familiar musical instrument with interesting and novel behaviours.

OpenAtlas (https://openatlas.eu) is an open source, web based database system for complex archaeological, historical and geospatial data.

An [IN PROGRESS] open source, low resource, quick deployment ventilator design that utilizes a bag valve mask (BVM or Ambu-bag) as a core component developed in response to the global shortage of medical ventilators due to the COVID-19 pandemic.

TerraRoam is an open-source, AI-powered travel intelligence platform built for safe and intelligent exploration across roads, trails, and remote destinations. It combines vehicle-aware navigation, camping and activity discovery, verified reviews, offline-first maps, and a real-time AI co-pilot into one unified system. Designed under the AGPL-3.0+ license, TerraRoam is modular, self-hostable, and built to continuously evolve through community and AI-assisted development. https://roxanneardary.com/terraroam/

ProvenanceHub is an open-source, community-driven provenance and lineage intelligence system that tracks the origin, evolution, and transformation of digital artifacts, specifications, and ideas over time. It combines immutable provenance records, semantic search, and AI-driven lineage analysis to build a verifiable “tree of life” for software, research, and digital creation—showing not only where something came from, but how it evolved and what it became. https://roxanneardary.com/provenancehub/

Custom CRM for handling OCWC membership information

Flectra is an Open Source ERP and CRM system built using python and postgresql.

Check current parking space availability across Montpellier with OpenMPA.

A simple management for a library

A simple, private and efficient Wake-on-LAN app for Android.

Site web : https://plu-sig-opensource.gitlab.io/gouvernance-documentation/