C++ Distributed Systems

Open-source C++ projects categorized as Distributed Systems
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Top 13 C++ Distributed System Projects

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: What AI/ML Models Should You Use and Why? | dev.to | 2024-10-29

    Boosting Boosting is not a separate ML model but a technique that combines multiple weak learners to create a single model that can generate highly accurate predictions. Xgboost is a common boosting model that supports distributed training, resulting in faster training. According to research by Intel, Xgboost can be more effective than a neural network-based approach for tabular data. In addition, Xgboost is faster to train and doesn’t require as much data as neural networks need.

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

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  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. service-fabric

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

  6. blazingmq

    A modern high-performance open source message queuing system

  7. 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)

  8. NuRaft

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

  9. SaaSHub

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  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. nebula

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

  13. 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.

    Project mention: Show HN: EloqKV – Scalable Distributed Acid Key-Value Database with Redis API | news.ycombinator.com | 2024-09-21

    That is really interesting. It indeed reminds me a bit on this research project https://github.com/DataManagementLab/ScaleStore (the one Andy posted the analysis)

  14. 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.

  15. 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)

    Project mention: Meet `qb`: The High-Performance C++17 Actor Framework You've Been Waiting For | dev.to | 2025-06-10

    GitHub: https://github.com/isndev/qb

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).

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Index

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

# Project Stars
1 xgboost 27,025
2 NebulaGraph Database 11,420
3 pixie 6,059
4 service-fabric 3,045
5 blazingmq 2,676
6 curve 2,357
7 NuRaft 1,100
8 lizardfs 973
9 v6d 907
10 nebula 154
11 ScaleStore 123
12 C++ Middleware Writer 74
13 qb 62

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