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ArkFlow – High-performance Rust stream processing engine

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Launch HN: Sift Dev (YC W25) – AI-Powered Datadog Alternative

New Zealand's $16B health dept managed finances with single Excel spreadsheet

We built a Modern Data Stack from scratch and reduced our bill by 70%

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Spark Texture Compression 1.2

IRS open-sourced the fact graph it uses for tax law

Samsung building facility with 50,000 Nvidia GPUs to automate chip manufacturing

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[D] Looking for guidance on open-sourcing a hierarchical recommendation dataset (user–chapter–series interactions)

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Extremely fast data compression library

China unveils ‘mini fridge’ AI server that uses 90% less power than other systems

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Democrats Will Launch a 'Master ICE Tracker' to Monitor Misconduct | "Oversight Committee will be launching, on their website, a master ICE tracker where we’re gonna be tracking every single instance that we can verify that the community will send us information on,” said Rep. Garcia.

pathwaycom

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pathway

Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.

mindsdb

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mindsdb

Federated query engine for AI - The only MCP Server you'll ever need

milvus-io

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milvus

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

simdjson

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simdjson

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

juicedata

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juicefs

JuiceFS is a distributed POSIX file system built on top of Redis and S3.

microsoft

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presidio

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

apache

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superset

Apache Superset is a Data Visualization and Data Exploration Platform

redisson

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redisson

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

apache

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airflow

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows