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The low-code Knowledge Graph application platform. Apache license.
| Date | Stars |
|---|---|
| 2026-07-31 | 626 |
| 2026-08-02 | 626 |
| 2026-08-06 | 626 |
| 2026-08-12 | 627 |
| 2026-08-18 | 627 |
| 2026-08-21 | 628 |
| 2026-08-25 | 628 |
| 2026-09-01 | 629 |
| 2026-09-12 | 629 |
| 2026-09-14 | 630 |
| 2026-09-16 | 630 |
| 2026-09-20 | 630 |
Today
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This week
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Momentum
36.0
growth rate 0.16%/day
# The *low-code* Knowledge Graph application platform
**_LinkedDataHub_ (LDH) is open source software you can use to manage data, create visualizations and build apps on RDF Knowledge Graphs.**
What's new in LinkedDataHub v5? Watch this video for a feature overview:
[](https://www.youtube.com/watch?v=LaOouEYhp_c)
We started the project with the intention to use it for Linked Data publishing, but gradually realized that we've built a multi-purpose data-driven platform.
We are building LinkedDataHub primarily for:
* researchers who need an RDF-native FAIR data environment that can consume and collect Linked Data and SPARQL documents and follows the [FAIR principles](https://www.go-fair.org/fair-principles/)
* developers who are looking for a declarative full stack framework for Knowledge Graph application development, with out-of-the-box UI and API
What makes LinkedDataHub unique is its completely _data-driven architecture_: applications and documents are defined as data, managed using a single generic HTTP API and presented using declarative technologies. The default application structure and user interface are provided, but they can be completely overridden and customized. Unless a custom server-side processing is required, no imperative code such as Java or JavaScript needs to be involved at all.
XHTML documents can be edited in-place using a built-in RDFa-aware rich text editor — annotations link selected text directly to Knowledge Graph terms, embedding machine-readable RDF statements in the markup without leaving the page.
**Follow the [Get started](https://atomgraph.github.io/LinkedDataHub/linkeddatahub/docs/get-started/) guide to LinkedDataHub.** The setup and basic configuration sections are provided below and should get you running.
**LinkedDataHub is also available as a free AWS Marketplace product!** <a href="https://aws.amazon.com/marketplace/pp/prodview-vqbeztc3f2nni" target="_blank"><img src="https://github.com/AtomGraph/LinkedDataHub/raw/master/AWS%20Marketplace.svg" width="160" alt="AWS Marketplace"/></a>
It takes a few clicks and filling out a form to install the product into your own AWS account. No manual setup or configuration necessary!
## Setup
<details>
<summary>Click to expand</summary>
### Prerequisites
* `bash` shell 4.x. It should be included by default on Linux. On Windows you can install the [Windows Subsystem for Linux](https://docs.microsoft.com/en-us/windows/wsl/install-win10).
* [Docker](https://docs.docker.com/install/) installed. At least 8GB of memory dedicated to Docker is recommended.
* [Docker Compose](https://docs.docker.com/compose/install/) installed
#### CLI
The [`ldh` command line interface](#command-line-interface) is attached to every release and needs only a Java 21 runtime; building it from source additionally requires [Maven](https://maven.apache.org/). The certificate and WebID scripts that remain in the `bin/` directory require [`openssl`](https://www.openssl.org/) and `keytool` (part of the JDK).
### Steps
1. [Fork](https://guides.github.com/activities/forking/) this repository and clone the fork into a folder
2. In the folder, create an `.env` file and fill out the missing values (you can use [`.env_sample`](https://github.com/AtomGraph/LinkedDataHub/blob/master/.env_sample) as a template). For example:
```
COMPOSE_CONVERT_WINDOWS_PATHS=1
COMPOSE_PROJECT_NAME=linkeddatahub
PROTOCOL=https
HTTP_PORT=81
HTTPS_PORT=4443
HOST=localhost
ABS_PATH=/
[email protected]
OWNER_GIVEN_NAME=John
OWNER_FAMILY_NAME=Doe
OWNER_ORG_UNIT=My unit
OWNER_ORGANIZATION=My org
OWNER_LOCALITY=Copenhagen
OWNER_STATE_OR_PROVINCE=Denmark
OWNER_COUNTRY_NAME=DK
```
3. Setup server's SSL Excerpt of 24,295 characters
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Would you bet a product on this? Bounded 0–100 and slow moving.
matched fp:6f471a269fbe19ab, topic:knowledge-graph, desc:knowledge graph
matched fp:6f471a269fbe19ab, topic:low-code, desc:low-code