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Top 20 Java CPP Projects
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ANTLR
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
Project mention: RCParsing VS ANTLR - a user suggested alternative | libhunt.com/r/RCParsing | 2025-09-19ANTLR is a lexer-based, powerful tool for creating own DSL and analyzing them. But it's and overkill for simple languages (JSON, for example), while RCParsing is good for both complex and simple languages, allows you to choose: work with AST or immediately calculate value while parsing.
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aws-doc-sdk-examples
Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.
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fory
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
Project mention: Extend Protobuf/FlatBuffers Schema IDL with Shared/Circular Reference Support | news.ycombinator.com | 2026-03-11If you already have .proto or .fbs schemas and you want shared/circular reference support, with the Fory compiler you can keep those schemas, add a small set of Fory options, then foryc generates idiomatic native models across Fory-supported languages
With fory first-class object graph serialziation support, you can serialize object graphs without manual *_id link reconstruction or rewriting your entire schema into Fory Schema.
1. GitHub: https://github.com/apache/fory
2. Compiler docs: https://fory.apache.org/docs/compiler
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awesome-symbian
An Awesome List about everything related to Symbian OS. Documentation, academic papers, tutorials, communities, IDEs, SDKs, emulators, apps, video games.
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ds-algo-solutions
A collection of solutions for Hackerrank data structures and algorithm problems in Python
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gradle-native
The home of anything about Gradle support for natively compiled languages (by nokeedev)
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oneML-bootcamp
Intro and sample apps to showcase oneML functionalities and possible use cases: Face Detection, Face Identification, Face Embedding, Vehicle Detection, EKYC, Person Attack Detection.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Java CPP discussion
Java CPP related posts
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The Expression Problem and its solutions
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Getting Started with DevOps
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Organic Maps is a free Android and iOS offline maps app for travelers
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“Please do not make it public” (Tencent’s Sogou Input Method)
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Open source Apk for android game hacking
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Discussion Thread
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A collection of lock-free data structures written in standard C++11
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Index
What are some of the best open-source CPP projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ANTLR | 18,910 |
| 2 | QuestDB | 17,039 |
| 3 | aws-doc-sdk-examples | 10,423 |
| 4 | JavaCPP | 4,696 |
| 5 | fory | 4,407 |
| 6 | zfoo | 2,003 |
| 7 | plc4x | 1,579 |
| 8 | intellij | 817 |
| 9 | Apache Orc | 766 |
| 10 | betacraft-launcher | 419 |
| 11 | XtMapper | 397 |
| 12 | zserio | 151 |
| 13 | awesome-symbian | 116 |
| 14 | ds-algo-solutions | 54 |
| 15 | clearwing-vm | 54 |
| 16 | gradle-native | 50 |
| 17 | oneML-bootcamp | 13 |
| 18 | LeetCode | 7 |
| 19 | gitCPP | 1 |
| 20 | anti-formatter | 0 |
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