🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.
- tableau
- data-visualization
- superset
- apache-doris
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QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
🔎 Open source distributed and RESTful search engine.
- search
- search-engine
- analytics
- java
Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.
JQuick-Pdf is an enterprise-grade Java PDF generation framework. It provides HTML-like declarative syntax and supports more than 30 kinds of graphs, greatly simplifying complex PDF report creation while retaining full native pdfbox(since version 4.0.0) APIs.
- apache-pdfbox
- charts
- data-visualization
- fonts