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Top 10 C++ stl-container Projects
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Hello guys, I want to start off with a huge thanks to Niels Lohmann for the amazing json library and point to point documentation. With his help I am now able to easily parse the JSON response, and the intuitive syntax is helping me extract contents from JSON in C++ just like I would do in python.
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Stream
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unordered_dense
A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion
Shoutout to unordered_dense, a drop-in replacement for C++ unordered_map that uses this:
https://github.com/martinus/unordered_dense
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Data_Structures_in_Cpp
Contains some useful custom Data-Structures/Containers & Algorithms, developed during my 3rd semester at University.
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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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discreture
A modern C++ library for efficiently and easily iterating through common combinatorial objects, such as combinations, permutations, partitions and more.
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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).
C++ stl-containers discussion
C++ stl-containers related posts
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Writing your own C++ standard library part 2
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boost::unordered standalone
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Unum blog: Apple to Apple Comparison: M1 Max vs Intel. How a DDR5-powered MacBook beat a DDR4-powered MacBook and approached a $50K Server in Hash-Table Benchmarks
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Hacker News top posts: Dec 24, 2021
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Apple to Apple Comparison: M1 Max vs. Intel
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Apple to Apple Comparison: M1 Max vs Intel - Unum
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Apple to Apple Comparison: M1 Max vs. Intel
- A note from our sponsor - SaaSHub www.saashub.com | 23 Dec 2025
Index
What are some of the best open-source stl-container projects in C++? This list will help you:
| # | Project | Stars |
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| 1 | json | 48,219 |
| 2 | unordered_dense | 1,251 |
| 3 | stdgpu | 1,238 |
| 4 | stlkrn | 434 |
| 5 | array | 203 |
| 6 | tree.hh | 147 |
| 7 | Data_Structures_in_Cpp | 112 |
| 8 | discreture | 72 |
| 9 | CPP-Exercises | 14 |
| 10 | codlili | 2 |
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