Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise. Learn more →
Top 13 C++ cpp20-library Projects
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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text
A spicy text library for C++ that has the explicit goal of enabling the entire ecosystem to share in proper forward progress towards a bright Unicode future. (by soasis)
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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bux
Static library of whatever are seen required in general purpose but not directly supported from Modern C++. Or whatever reusable originated from my side projects.
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sqlinq
SQLinq is a C++ library that enables easy and efficient integration with SQL databases, using a syntax similar to LINQ from C#.
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C++ cpp20-library discussion
C++ cpp20-library related posts
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Ichor v0.3.0 released: async file I/O now included
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uni-algo v1.0.0: Modern Unicode Library
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I've added benchmarks to my C++20 work stealing thread pool implementation
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CallMe: Modern fast delegates and events
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Ichor v0.2.0: C++ Framework for Event Loops, Dependency Injection and More
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Ichor v0.2.0: C++ Framework for Event Loops, Dependency Injection and premade services, now supports constructor injection
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Show HN: A modern, high performance C++ thread pool
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A note from our sponsor - AppSignal
www.appsignal.com | 12 Sep 2026
Index
What are some of the best open-source cpp20-library projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | thread-pool | 564 |
| 2 | stlkrn | 441 |
| 3 | text | 336 |
| 4 | Ichor | 237 |
| 5 | binary_log | 230 |
| 6 | callme | 30 |
| 7 | genetic | 21 |
| 8 | Simple-Log | 15 |
| 9 | qc-hash | 11 |
| 10 | bux | 7 |
| 11 | sqlinq | 3 |
| 12 | libaegis | 2 |
| 13 | Simple-Iterator | 0 |