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Top 12 C++ Memory Projects
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MTuner
MTuner is a C/C++ memory profiler and memory leak finder for Windows, PlayStation 3/4/5, Nintendo Switch, Android and other platforms
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JetBrains
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memory
STL compatible C++ memory allocator library using a new RawAllocator concept that is similar to an Allocator but easier to use and write.
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AceTheGame
open source security auditing tools for games on android and linux. Containing memory scanner/editor, apk GUI, value freezer, android non root support and many more!
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o1heap
Constant-complexity, deterministic, very fast memory allocator (heap) for hard real-time high-integrity embedded systems. Allocation takes ≈165 cycles on Cortex M4. There is little activity because the project is finished and does not require further changes.
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The system is honestly tuned for storage efficiency not speed but these configurations are tunable and you can use the benchmarks as a reference for tuning. https://github.com/trvon/yams/blob/main/docs/benchmarks/perf...
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Sevalla
Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!
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memorymanager
A simple, thread-safe memory manager for 64bit C++ applications and games. Focus is on preventing heap fragmentation in the absence of good virtual memory management, at the cost of wasting some memory. It works by globally overriding the new and delete operators.
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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++ Memory discussion
C++ Memory related posts
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Metamalloc: Single-header template based general purpose memory allocator lib
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MTuner: C/C memory profiler and memory leak finder
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MTuner: C/C++ memory profiler and memory leak finder
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Big Data Is Dead
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Compacting the Uncompactable: The Mesh Compacting Memory Allocator
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Bloomberg finally opensourced memray —a new versatile memory profile for Python
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You all need to stop blindly recommending 32 GB of RAM
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A note from our sponsor - InfluxDB
www.influxdata.com | 2 Sep 2025
Index
What are some of the best open-source Memory projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | MTuner | 2,718 |
| 2 | Mesh | 1,817 |
| 3 | memory | 1,556 |
| 4 | memoryjs | 660 |
| 5 | AceTheGame | 355 |
| 6 | o1heap | 341 |
| 7 | yams | 339 |
| 8 | memorymanager | 79 |
| 9 | BugInsight | 73 |
| 10 | Kite | 19 |
| 11 | nostr_relay_lite | 2 |
| 12 | lfjson | 1 |
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