How are trending GitHub repositories ranked on GitHubRepo?

Repositories are ranked using an algorithmic velocity score combining 24-hour and 7-day star growth snapshots, fork acceleration, open issue resolution, and developer engagement telemetry.

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Telemetry snapshots and rankings are recalculated continuously, with new daily leaderboards and video spotlight reels published on a strict 4-hour cycle.

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Maintainers can claim their repository growth kit, embed live SVG star history badges in their README, or apply for spotlight video reels across YouTube, Instagram, Threads, and X.

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Top PBR GitHub Repositories & Tools (2026)

Discover the most starred and trending open source tools tagged with #pbr.

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3 matching projects · updated Sep 29, 2026 How we rank ↗

#1 TRENDING google/filament C++ 2018

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

◇ 3d-graphics ◇ android ◇ gltf ◇ gltf-viewer

2.3K ↑ +2 today

20.5K

#2 TRENDING dtrajko/MoravaEngine C++ 2020

2D/3D graphics engine written in C++ language. It currently supports the following graphics APIs: OpenGL 3.3+, Vulkan 1.2, DirectX 11. Its current purpose is to experiment with various CG concepts and techniques.

◇ 3d-graphics ◇ c-plus-plus ◇ cpp ◇ directx

20 ↑ +1 today

311

#3 TRENDING HyperionGameTech/HyperionEngine C++ 2022

A high performance Vulkan/DX12 game engine in C++ & C#

◇ 3d ◇ cpp ◇ cpp20 ◇ csharp

29 ↑ +1 today

555

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Top PBR GitHub Repositories & Tools (2026)

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