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Simple HTML5 Charts using the <canvas> tag

Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

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

🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.

Graphs for Everyone

Simple, responsive, modern SVG Charts with zero dependencies

An open-source graph database

Ping, but with a graph

A distributed, fast open-source graph database featuring horizontal scalability and high availability

♾ 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

FlowGram is an extensible workflow development framework with built-in canvas, form, variable, and materials that helps developers build AI workflow platforms faster and simpler.

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

`prettyping` is a wrapper around the standard `ping` tool, making the output prettier, more colorful, more compact, and easier to read.

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