There are 2 repositories under template-library topic.
Mikado is the webs fastest template library for building user interfaces.
Twirl is Play's default template engine
A C++-based, cross platform ray tracing library
Simple micro templating
Mustache in Nim
Build, execute and represent pipelines (aka workflows / templates) in Go
Expressive & customizable template system featuring Clojure language processing
Embedded template library.
C++20实现快速傅立叶变换 C++20 implements fast Fourier transform
C++ Motion Planning Library for 2D Grid Maps
Draughts and checkers template library
A template library to use lit-htm in Angular.
C++ implementations of real time dynamic planar convex hull construction algorithms.
A PHP package template repository. - 一个 PHP 软件包模板存储库。
C++14 template library for handy descriptor definition
Template rendering for Pawn.
C++ AVR Kernel and Extensions, yummy !
A functional javascript templating system inspired by elm
A design kit for UK Government digital services
PyScenes is PyGame 2 library designed to provide the high-level functionality used in games and multi-media programs so that users can focus on creating rather than debugging
Parser combinators library for C++
A very simple php templating system for very simple websites
The website contains 30 sample libraries for frontend developers