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Nessie: Transactional Catalog for Data Lakes with Git-like semantics
Open-source ETL/ELT you deploy on your own servers or cloud. Built on DuckDB: no-code/low-code visual pipelines or SQL, 385 components, dbt, CDC, data quality, reverse ETL, lineage, MCP for AI agents. No vendor cloud, no per-row billing.
Distributed Prometheus time series database
HyperDex is a scalable, searchable key-value store
Object-storage native graph database with branching and typed ontology
a full featured file system for online data storage
Apache Cassandra® Cluster Manager (CCM) – easily create and destroy clusters on localhost
The Apache Kafka C/C++ library
Pinball is a scalable workflow manager
Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster
Pinterest MySQL Management Tools
A pure python HDFS client
The Heroic Time Series Database
Time-series database
HStreamDB is an open-source, cloud-native streaming database for IoT and beyond. Modernize your data stack for real-time applications.
See gitlab: https://gitlab.com/Project-FiFo/DalmatinerDB/dalmatinerdb
Package golang service into minimal docker containers.
Pandas, Polars, Spark, and Snowpark DataFrame comparison for humans and more!
Simple server that scrapes HAProxy stats and exports them via HTTP for Prometheus consumption
A distributed system designed to ingest and process time series data
IonDB, a key-value datastore for resource constrained systems.
Distributed Transactional In-Memory Database (全球首个支持分布式事务的MongoDB)
Event data simulator. Generates a stream of pseudo-random events from a set of users, designed to simulate web traffic.
Utility to compare data between homogeneous or heterogeneous environments to ensure source and target tables match
Desbordante is a high-performance data profiler that is capable of discovering many different patterns in data using various algorithms. It also allows to run data cleaning scenarios using these algorithms. Desbordante has a console version and an easy-to-use web application.
KafkaT-ool
Open-source backend for Kepler.gl. Self-hosted alternative to CARTO and Foursquare Studio.
An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.
Substation is a toolkit for routing, normalizing, and enriching security event and audit logs.
Docker composition tool with idempotency features for deploying apps composed of multiple containers.