C++ Distributed Systems

Open-source C++ projects categorized as Distributed Systems
Edit details
CPP Cross-Platform High Performance Middleware Raft
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives
www.saashub.com
featured

Top 17 C++ Distributed System Projects

C++ logo
Distributed Systems

  1. xgboost

    Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

    Project mention: Built a Hospital Lenght Of Stay Predictor Web app | dev.to | 2026-02-15

  2. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo

  3. NebulaGraph Database

    A distributed, fast open-source graph database featuring horizontal scalability and high availability (by vesoft-inc)

  4. pixie

    Instant Kubernetes-Native Application Observability

    Project mention: CI/CD Observability with OpenTelemetry Step by Step Guide | news.ycombinator.com | 2025-06-15

    A child comment mentioned k8s but I also have been chomping at the bit to try out the eBPF hooks in https://github.com/pixie-io/pixie (or even https://github.com/coroot/coroot or https://github.com/parca-dev/parca ) all of which are Apache 2 licensed

    The demo for https://github.com/draios/sysdig was also just amazing, but I don't have any idea what the storage requirements would be for leaving it running

  5. blazingmq

    A modern high-performance open source message queuing system

    Project mention: BlazingMQ: A modern, high-performance open message queuing system | news.ycombinator.com | 2025-09-06

  6. service-fabric

    Service Fabric is a distributed systems platform for packaging, deploying, and managing stateless and stateful distributed applications and containers at large scale.

  7. Fast-DDS

    The most complete DDS - Proven: Plenty of success cases. Looking for commercial support? Contact info@eprosima.com

  8. curve

    Curve is a sandbox project hosted by the CNCF Foundation. It's cloud-native, high-performance, and easy to operate. Curve is an open-source distributed storage system for block and shared file storage. (by opencurve)

  9. NuRaft

    C++ implementation of Raft core logic as a replication library

  10. lizardfs

    LizardFS is an Open Source Distributed File System licensed under GPLv3.

  11. v6d

    vineyard (v6d): an in-memory immutable data manager. (Project under CNCF, TAG-Storage)

  12. CCF

    Confidential Consortium Framework

  13. areg-sdk

    Distributed C++ services from embedded to enterprise

    Project mention: Missing in Modern C++: Event Synchronization Primitive — with Working Examples | dev.to | 2025-09-22

    The Areg Framework brings the same concept to cross-platform C++: SynchEvent, a lightweight, developer-friendly multithreading primitive that behaves like Windows Events and works well even in embedded systems.

  14. nebula

    A distributed block-based data storage and compute engine (by varchar-io)

  15. ScaleStore

    This is the source code for our (Tobias Ziegler, Carsten Binnig and Viktor Leis) published paper at SIGMOD’22: ScaleStore: A Fast and Cost-Efficient Storage Engine using DRAM, NVMe, and RDMA.

  16. C++ Middleware Writer

    The repo contains library code to support messaging and serialization. There are also two programs in the repo that are needed to use the CMW.

  17. qb

    Modern C++17 actor-based framework for building high-performance concurrent and distributed systems. Features asynchronous I/O, lock-free messaging, cross-platform support (Linux/macOS/Windows), and multi-core scaling. Perfect for real-time applications, microservices, and network servers. (by isndev)

  18. Caravault

    Offline-first file sync across multiple drives using version vectors, Merkle diffing, and majority quorum consensus.

    Project mention: I Built an Offline File Sync System | news.ycombinator.com | 2026-04-09
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).

C++ Distributed Systems discussion

Log in or Post with

C++ Distributed Systems related posts

Index

What are some of the best open-source Distributed System projects in C++? This list will help you:

# Project Stars
1 xgboost 28,466
2 NebulaGraph Database 12,212
3 pixie 6,462
4 blazingmq 3,189
5 service-fabric 3,062
6 Fast-DDS 2,821
7 curve 2,380
8 NuRaft 1,194
9 lizardfs 993
10 v6d 952
11 CCF 865
12 areg-sdk 352
13 nebula 158
14 ScaleStore 127
15 C++ Middleware Writer 89
16 qb 69
17 Caravault 1

Sponsored
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives
www.saashub.com

Did you know that C++ is
the 7th most popular programming language
based on number of references?

Loading...