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Top 23 Java Postgresql Projects
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Nutrient
Nutrient - The #1 PDF SDK Library. Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.
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shardingsphere
Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.
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Chat2DB
🔥🔥🔥AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.
Download Chat2DB: https://chat2db.ai
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APIJSON
🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码,前端(客户端) 定制返回 JSON 的数据和结构 🏆 Real-Time coding-free, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and the returned JSON of API can be customized by Frontend(Client) users
Project mention: Top 15 Open-Source Low-Code Projects with the Most GitHub Stars | dev.to | 2024-07-18GitHub https://github.com/Tencent/APIJSON GitHub Stars 16.9k Most Recent Update on GitHub 2 days ago Open Source License Apache 2.0 Number of Active Contributors This Year 6 Acceptance of External PRs Yes Official Website http://apijson.cn/ Documentation https://apijsondocs.readthedocs.io/en/latest/
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Project mention: QuestDB is an open source time-series database for fast ingest and SQL queries | news.ycombinator.com | 2024-08-31
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Project mention: Ne jouez plus tout l'historique de vos migrations Flyway grâce au baseline ! | dev.to | 2025-01-09
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CodeRabbit
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Project mention: Systems ideas that sound good but almost never work | news.ycombinator.com | 2024-12-31
(1) DSLs work great sometimes. See https://www.jooq.org/
(2) Elastic Load Balancer is a control loop responsive to workloads, that kind of thing is a commodity
(3) Under-provisioning is rampant in most industries; see https://erikbern.com/2018/03/27/waiting-time-load-factor-and... and https://www.amazon.com/Goal-Process-Ongoing-Improvement/dp/0...
(4) Anomaly detection is not inherently a problem of distributed systems like the others, but someone facing the problems they've been burned with might think they need it. Intellectually it's tough. The first algorithm I saw that felt halfway smart was https://scikit-learn.org/1.5/modules/outlier_detection.html#... which is sometimes a miracle and I had good luck using it on text with the CNN-based embeddings we had in 2018 but none at all w/ SBERT.
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JSqlParser
JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
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Crate
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.
Great initiative making a list of possible Rockset replacements. Would it be possible to open the Notion page for guest contributions?
I would like to add CrateDB (I work there) to the list. CrateDB is a distributed SQL database purposely built for real-time analytics across large datasets of structured and semi-structured data. Similarly to Rockset, it indexes all data in real-time (text, vector, geospatial, time-series, and JSON) for the most efficient search and fast ad hoc query execution at any scale. It is built on top of Apache Lucene and unlike Rockset is open-source (https://github.com/crate/crate).
Rocket frequently comes up among other solutions our users were looking at before choosing CrateDB. For example https://cratedb.com/customers/govspend.
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Project mention: Show HN: Outerbase Studio – Open-Source Database GUI | news.ycombinator.com | 2024-12-04
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LakeSoul
LakeSoul is an end-to-end, realtime and cloud native Lakehouse framework with fast data ingestion, concurrent update and incremental data analytics on cloud storages for both BI and AI applications.
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Works well for SQL too, I‘ve been using it at my day job, found out via https://github.com/sqlancer/sqlancer?tab=readme-ov-file#redu...
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mybatis-plus-join
支持连表查询的mybatis-plus,mybatis-plus风格的连表操作提供wrapper.leftJoin(),wrapper.rightJoin()等操作
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postgresql-event-sourcing
A reference implementation of an event-sourced system that uses PostgreSQL as an event store built with Spring Boot. Fork the repository and use it as a template for your projects. Or clone the repository and run end-to-end tests to see how everything works together.
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symmetric-ds
SymmetricDS is database replication and file synchronization software that is platform independent, web enabled, and database agnostic. It is designed to make bi-directional data replication fast, easy, and resilient. It scales to a large number of nodes and works in near real-time across WAN and LAN networks.
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Project mention: Show HN: Outerbase Studio – Open-Source Database GUI | news.ycombinator.com | 2024-12-04
QStudio. Editor and notebook in one, works on all os with 30+ databases and is Free: https://www.timestored.com/qstudio/ disclaimer: I'm the author
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pgjdbc-ng
A new JDBC driver for PostgreSQL aimed at supporting the advanced features of JDBC and Postgres
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incubator-baremaps
Create custom vector tiles from OpenStreetMap and other data sources with Postgis and Java.
I am currently exploring the open source mapping world and trying to get a better grasp of what's available.
How does this project compare to Apache Baremaps (incubating)?
https://baremaps.apache.org/
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micronaut-microservices-poc
Very simplified insurance sales system made in a microservices architecture using Micronaut
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
Java Postgresql discussion
Java Postgresql related posts
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A Major Postgres Upgrade with Zero Downtime
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Database Stress Testing: Why It Matters and How to Get Started
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Configuring a Connection Pool
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The Great Database Migration
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DBeaver – open-source Database client
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Password may not contain: select, insert, update, delete, drop
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Show HN: Light implementation of Event Sourcing using PostgreSQL as event store
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coderabbit.ai | 16 Feb 2025
Index
What are some of the best open-source Postgresql projects in Java? This list will help you:
# | Project | Stars |
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1 | dbeaver | 41,714 |
2 | shardingsphere | 20,034 |
3 | Chat2DB | 18,637 |
4 | APIJSON | 17,430 |
5 | mybatis-plus | 16,641 |
6 | QuestDB | 14,896 |
7 | Flyway | 8,472 |
8 | jOOQ | 6,283 |
9 | JSqlParser | 5,539 |
10 | Crate | 4,186 |
11 | Jailer | 2,923 |
12 | LakeSoul | 2,485 |
13 | metasfresh | 1,863 |
14 | pgjdbc | 1,541 |
15 | sqlancer | 1,540 |
16 | mybatis-plus-join | 1,236 |
17 | postgresql-event-sourcing | 1,146 |
18 | r2dbc-postgresql | 1,025 |
19 | symmetric-ds | 772 |
20 | qstudio | 643 |
21 | pgjdbc-ng | 604 |
22 | incubator-baremaps | 526 |
23 | micronaut-microservices-poc | 489 |