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Top 6 C++ Utf8 Projects
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Project mention: Show HN: ImPlot3D – A 3D Plotting Library for Dear ImGui | news.ycombinator.com | 2024-12-18
I use this in a project, but it's more like a source code editor:
https://github.com/BalazsJako/ImGuiColorTextEdit
'Rich' text editing might hit limitations with Dear ImGui's text rendering (e.g. not sure if things like italics, bold or strikethrough are supported out of the box).
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simdutf
Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers and Bun.
Project mention: Simdutf: Fast Unicode Validation and Transcoding | news.ycombinator.com | 2025-06-05 -
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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++ Utf8 discussion
C++ Utf8 related posts
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Simdutf: Fast Unicode Validation and Transcoding
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Decoding UTF8 with Parallel Extract
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Glibc Buffer Overflow in Iconv
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uni-algo: Unicode Algorithms Implementation for C/C++
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Vectorizing Unicode conversions on real RISC-V hardware
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Cray-1 performance vs. modern CPUs
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[Preprint] Transcoding Unicode Characters with AVX-512 Instructions
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A note from our sponsor - InfluxDB
www.influxdata.com | 1 Sep 2025
Index
What are some of the best open-source Utf8 projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ImGuiColorTextEdit | 1,576 |
| 2 | simdutf | 1,500 |
| 3 | Rapidcsv | 981 |
| 4 | tiny-utf8 | 549 |
| 5 | uni-algo | 298 |
| 6 | hypergrep | 216 |
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