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Simple HTML5 Charts using the <canvas> tag

A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV

Build Real-Time Knowledge Graphs for AI Agents

Minimal examples of data structures and algorithms in Python

Graphs for Everyone

Simple, responsive, modern SVG Charts with zero dependencies

An open-source graph database

♾ A Graph Visualization Framework in JavaScript.

A JavaScript library aimed at visualizing graphs of thousands of nodes and edges

:bar_chart: A D3-based reusable chart library

A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently.

Gephi - The Open Graph Viz Platform

JanusGraph: an open-source, distributed graph database

High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible, built in C++.

A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!

Embedded property graph database built for speed. Vector search and full-text search built in. Implements Cypher.

cuGraph - RAPIDS Graph Analytics Library

Cacti ™

A large-scale entity and relation database supporting aggregation of properties

A high performance Python graph library implemented in Rust.

LadybugDB a graph database

Open Source Social Network (OSSN) is a powerful open-source social networking software developed in PHP. It enables you to create a fully functional social networking website that fosters community engagement and helps your members form meaningful social relationships.

[ICLR 2026] Youtu-GraphRAG: Vertically Unified Agents for Graph Retrieval-Augmented Complex Reasoning

Performance Co-Pilot

EliasDB a graph-based database.

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

A text-based work management system for technologists.

Little Ball of Fur - A graph sampling extension library for NetworKit and NetworkX (CIKM 2020)

🍇 GRAPE is a Rust/Python Graph Representation Learning library for Predictions and Evaluations

Graph data structure in JavaScript