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Top 16 C++ X64 Projects
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x64dbg
An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.
Several months have passed since the last part was posted. Maintainers of x64dbg have continued to improve its functionality. They also opened a task to update the development tools. So in this post, we will continue the analysis based on commit f518e50 code and, where possible, we'll compare it with the commit 9785d1a, which is accurate at the time of writing.
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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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simdjson
Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
Project mention: Make Ubuntu packages 90% faster by rebuilding them | news.ycombinator.com | 2025-03-18I think parsing once into a faster format (sqlite3 or parquet) would be more beneficial.
https://simdjson.org/
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Project mention: Exploring biphasic programming: a new approach in language design | news.ycombinator.com | 2024-07-02
I'm going to hijack the mention of ML to share xbyaku, a c++ library presenting a DSL for assembling machine code at runtime (useful for JIT).
It's used by some of the pytorch back ends.
https://github.com/herumi/xbyak
Example use: https://github.com/oneapi-src/oneDNN/blob/main/src/cpu/aarch...
I learned about these through a blog post about speeding up pytorch on ARM: https://pytorch.org/blog/optimized-pytorch-w-graviton/
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xray-16
Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)
View the Project on GitHub
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hvpp
hvpp is a lightweight Intel x64/VT-x hypervisor written in C++ focused primarily on virtualization of already running operating system
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Cronos-Rootkit
Cronos is Windows 10/11 x64 ring 0 rootkit. Cronos is able to hide processes, protect and elevate them with token manipulation.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Black-Angel-Rootkit
Black Angel is a Windows 11/10 x64 kernel mode rootkit. Rootkit can be loaded with enabled DSE while maintaining its full functionality.
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ZwProcessHollowing
ZwProcessHollowing is a x64 process hollowing project which uses direct systemcalls, dll unhooking and RC4 payload decryption
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
C++ X64 discussion
C++ X64 related posts
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Debugging bugs in x64dbg debugger. Step out to GUI
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X64_dbg: An open-source x64/x86 debugger for Windows
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we need a 2015E revival.
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Too Many Fonts in Windows 10 Can Cause Slow Application Starts
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Advice needed on disabling license checks on some old proprietary abandonware
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What are your thoughts on the Gunslinger mod for CoP?
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How do I decrease stuttering, and lag in SoC?
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A note from our sponsor - InfluxDB
www.influxdata.com | 23 Jun 2025
Index
What are some of the best open-source X64 projects in C++? This list will help you:
# | Project | Stars |
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1 | x64dbg | 46,276 |
2 | simdjson | 20,723 |
3 | oneDNN | 3,811 |
4 | xray-16 | 3,247 |
5 | hvpp | 1,196 |
6 | Cronos-Rootkit | 884 |
7 | inline_syscall | 709 |
8 | Black-Angel-Rootkit | 641 |
9 | OGSR-Engine | 525 |
10 | Kernel-Process-Hollowing | 186 |
11 | catsight | 178 |
12 | MaslOS | 92 |
13 | ZwProcessHollowing | 86 |
14 | jsix | 69 |
15 | TempleOS-EE | 49 |
16 | Corth | 20 |