Top 3 C++ Mongo Projects

userver

4 2,194 9.9 C++

Production-ready C++ Asynchronous Framework with rich functionality

Project mention: Rust vs Go/JVM: dev speed + safety in practice | /r/rust | 2023-06-25

They recently open sourced internal framework: https://github.com/userver-framework/userver
MongoDB C++ Driver

2 1,003 9.1 C++

C++ Driver for MongoDB

Project mention: MongoDB $weeklyUpdate #122 (June 30, 2023): Databricks, Change Streams, & Terraform | dev.to | 2023-06-30

We're pleased to announce the release of the MongoDB C Driver (libmongoc) 1.24.0 and C++ Driver (mongocxx) 3.8.0 with support for MongoDB 7.0 and a host of new security features. Check out the release notes for more details:
WorkOS

workos.com
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The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
mongo-driver-godot

2 15 0.0 C++

Unofficial MongoDB driver for Godot Engine 3.3

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). The latest post mention was on 2023-06-30.