cratedb
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CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
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Feb 20, 2026 - Java
A OPC UA gateway which gives you access to your OPC UA values via MQTT or GraphQL (HTTP). If you have an OPC UA server in your PLC, or a SCADA system with an OPC UA server, you can query data from there via MQTT and GraphQL (HTTP). In addition, the gateway can also log value changes from OPC UA nodes in an InfluxDB, IoTDB, Kafka, and others.
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Dec 1, 2025 - Kotlin
Python DB API client library for CrateDB, using HTTP.
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Feb 16, 2026 - Python
A JavaScript guestbook app with a number of different backend implementations, each using a different client library to communicate with CrateDB.
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Feb 9, 2026 - Java
The CrateDB Prometheus Adapter stores metrics into CrateDB using the "remote write" and "remote read" interfaces of Prometheus.
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Feb 19, 2026 - Go
Crash is an interactive CrateDB command line interface (CLI) SQL shell with autocompletion.
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Feb 10, 2026 - Python
QuantumLeap: a FIWARE Generic Enabler to support the usage of NGSIv2 (and NGSI-LD experimentally) data in time-series databases
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Dec 2, 2025 - Python
MIRROR - CLI collection of utilities for working with CrateDB or PostgreSQL. Benchmark queries, insert data.
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Oct 24, 2024 - Python
PHP PDO Driver for CrateDB.
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Feb 9, 2026 - PHP
huge list of database benchmark
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Mar 11, 2025 - Go
A Ruby client library for CrateDB.
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Feb 11, 2026 - Ruby
The admin user interface for CrateDB.
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Feb 14, 2026 - JavaScript
The CrateDB Kubernetes Operator provides a convenient way to run CrateDB clusters inside Kubernetes.
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Feb 20, 2026 - Python
Ruby on Rails ActiveRecord adapter for CrateDB
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Feb 9, 2026 - Ruby
A collection of clear and concise examples how to work with CrateDB, including software stack definitions for end-to-end test scenarios.
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Feb 19, 2026 - Jupyter Notebook
Cloud-hosted Database Performance Data
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Feb 18, 2026 - Shell
A chatbot powered by CrateDB using RAG techniques and data from PDF files.
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Feb 12, 2025 - Python
Doctrine Database Access Layer (DBAL) for CrateDB.
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Feb 9, 2026 - PHP
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