Generate and read big Excel files quickly
- excel
- java
- performance
Repository Index
47,133 repositories indexed
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Neo4j Spatial is a library of utilities for Neo4j that faciliates the enabling of spatial operations on data. In particular you can add spatial indexes to already located data, and perform spatial operations on the data like searching for data within specified regions or within a specified distance of a point of interest.
- neo4j
- neo4j-database
- geoserver
- spatial-data
Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j.
- csv
- java
- csv-parser
- csv-reader
Parallel Collectors is a toolkit easing parallel collection processing in Java using Stream API.
- parallelism
- parallel-streams
- stream-api
- hacktoberfest
A fully asynchronous, non-blocking, thread-safe, high-performance HBase client.
Automon combines the power of AOP (AspectJ) with monitoring or logging tools you already use to declaratively trace and monitor your Java code, the JDK, and 3rd party libraries.
- aspectj
- monitoring
- java
- performance
Java utilities: DeepEquals, Converter, LRUCache, CompactMap/Set, CaseInsensitiveMap, UniqueIdGenerator, FastReader/Writer, and more. Zero dependencies, JDK 8+
Toolkit for testing multi-threaded and asynchronous applications
TranslatedApple TV-style launcher for Android TV — ready-to-install APK, no build needed. Based on Gathin23/tv-vibehack (CleanYourTV).
- adb
- android-tv
- android-tv-launcher
- bloatware-removal
A Fast QR Reader widget for Flutter. For both Android and iOS
Flutter qrcode reader
A Java-based library for reading, writing, and transforming public transit data in the GTFS format, including database support.
Learn the DSA and be Interview ready
- dsa
- java
- coding-challenges
- data-structures-and-algorithms
Declarative Java engine for structured documents. Automatic layout, pagination, reusable templates and themes. Render print-ready PDF, export editable PowerPoint, or generate semantic DOCX.
- document-generation
- java
- layout-engine
A Fluent Regex Builder for Java
- android-library
- builder-pattern
- fluent-api
- hibernate-validator
Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.
- annotation
- apache-poi
- csv
- data-processing
Java library for reading and writing WARC files with a typed API
Ready to go Domain-Driven Design workshop.
- spring-boot
- domain-driven-design
- ddd
- sample
Support for reading and writing Google Protocol Buffer objects within Dropwizard
- dropwizard
- protocol-buffers
- java
- protobuf
Lightweight Java library for reading and writing fixed-width / fixed-length flat files using annotations on POJOs — for banking, payroll, EDI, mainframe, and batch integrations.
- annotations
- banking
- batch-processing
- edi
Generate production-ready Spring Boot backend boilerplate from a single YAML or JSON spec.
Anahata ASI - Artificial Super Intelligence - Cross-Platform, Modular, Enterprise Ready, Open Source, Pure Java, AGI and ASI Containers. Context Window Garbage Collector, Stateful Toolkits, Flight Recorder. Autonomous Observable Auditable JVM Agent with JIT java code execution. Anahata ASI SDK, Anahata ASI Desktop, Anahata ASI Studio - NetBeans.
A Java library (Jackson extension) for reading and writing Excel spreadsheets (XLSX/XLS) as POJOs.
A Vert.x-powered asynchronous multithreaded web server with simple annotation-based configuration of routes