A lightweight, pure-Swift library for downloading and caching images from the web.
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QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
A lightweight, lightning-fast, in-process vector database
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
- java
- hazelcast
- in-memory
- big-data
The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL
Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL.
Reliable PostgreSQL Backup & Restore
- postgresql
- parallel
- backup
- restore
App to easily query, script, and visualize data from every database, file, and API.
chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
High-performance time-series aggregation for PostgreSQL
- realtime
- stream-processing
- analytics
- sql
A framework for building messaging apps with .NET and C#.
- command-processor
- command-dispatcher
- brighter
- asynchronously
One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.
- database
- data-analysis
- data-warehouse
- olap
A distributed system designed to ingest and process time series data
DAO oriented database mapping framework for Java
- java
- annotation-processor
- jdbc
- dao
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.
Next-generation web analytics processing with Scala, Spark, and Parquet.
JavaScript tools for graph processing in Node.js and the browser inspired by the Apache TinkerPop API
- gremlin-server
- tinkerpop
- graph-database
- graphdb
A groovy/java tabular Data (from CSV,SQL,JSON) processing library that supports fuzzy column matching,tranformations/merging/querying
Elasticsearch Elixir Bulk Processor is a configurable manager for efficiently inserting data into Elasticsearch. This processor uses GenStages (data-exchange steps) for handling backpressure, and various settings to control the bulk payloads being uploaded to Elasticsearch.
- elixir
- elasticsearch
- bulk
- processor
Stateful actors on Apache Flink 2.x and Java 21 — durable per-key state, exactly-once messaging, Kafka and Kinesis I/O, Kubernetes-native deployment. Continues the Apache Stateful Functions programming model on the modern Flink line.
- actor-model
- apache-flink
- distributed-systems
- event-driven
Run DuckDB inside Excel VBA: pandas-style analytics via in-process SQL + native C bridge. High-speed Range/Array ingestion, Parquet/CSV/JSON I/O.