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Top 23 Java Networking Projects
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Let's look at the example from Apache Dubbo:
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InfluxDB
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These days, almost all browsers accept zstd and brotli, so these bombs can be even more effective today! [This](https://news.ycombinator.com/item?id=23496794) old comment showed an impressive 1.2M:1 compression ratio and [zstd seems to be doing even better](https://github.com/netty/netty/issues/14004).
Though, bots may not support modern compression standards. Then again, that may be a good way to block bots: every modern browser supports zstd, so just force that on non-whitelisted browser agents and you automatically confuse scrapers.
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Project mention: Using gRPC for (local) inter-process communication – F. Werner's Research Page | news.ycombinator.com | 2024-11-20
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SaaSHub
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Project mention: mina-sshd VS sshj - a user suggested alternative | libhunt.com/r/mina-sshd | 2025-03-01
sshj is a java library which supports ssh, scp and sftp for java
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JeroMQ
JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.
Alternatives to: Redis (Queue, Pub/Sub), ZeroMQ, RabbitMQ, Apache Kafka, Amazon Simple Queue Service, Google Cloud Pub/Sub
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Project mention: Swift at Apple: Migrating the Password Monitoring Service from Java | news.ycombinator.com | 2025-06-03
Apple maintains servicetalk[1] (java networking framework built on top of netty), so I'm guessing this is one potential JVM framework that was being used.
[1] https://github.com/apple/servicetalk
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ezyfox-server
A socket server (include SSL) supports realtime application, realtime game, MMORPG, messaging, chat and streaming data with TCP, UDP and Websocket
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Drift
An annotation-based Java library for creating Thrift serializable types and services. (by airlift)
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TLS Channel
A Java library that implements a ByteChannel interface over SSLEngine, enabling easy-to-use (socket-like) TLS for Java applications.
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gophie
Gophie is a modern, graphical and cross-platform client or browser for "The Internet Gopher" also known as the Gopher protocol. Gophie supports browsing gopher pages, using search engines such as Veronica-2, displaying images and downloading files.
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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 Networking discussion
Java Networking related posts
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I Use Zip Bombs to Protect My Server
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mina-sshd VS sshj - a user suggested alternative
2 projects | 1 Mar 2025 -
Dubbo: A Robust Java RPC and Microservice Framework
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Reactor Netty: UDP DNS client example
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Netty: Asynchronous event-driven network application framework
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Gnet is the fastest networking framework in Go
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Consuming and Testing third party API's using Spring Webclient
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A note from our sponsor - SaaSHub
www.saashub.com | 13 Jun 2025
Index
What are some of the best open-source Networking projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Dubbo | 41,058 |
| 2 | Netty | 34,151 |
| 3 | gRPC | 11,757 |
| 4 | xpipe | 11,133 |
| 5 | Async Http Client | 6,359 |
| 6 | AndroidNetworking | 5,799 |
| 7 | Undertow | 3,653 |
| 8 | sshj | 2,563 |
| 9 | JeroMQ | 2,400 |
| 10 | KryoNet | 1,833 |
| 11 | ServiceTalk | 965 |
| 12 | MINA | 912 |
| 13 | ezyfox-server | 643 |
| 14 | Comsat | 597 |
| 15 | react-native-tcp-socket | 345 |
| 16 | Riptide | 318 |
| 17 | NFS4J | 253 |
| 18 | Drift | 242 |
| 19 | rawhttp | 205 |
| 20 | TLS Channel | 202 |
| 21 | gophie | 192 |
| 22 | fluency | 156 |
| 23 | kryonet | 77 |
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