| Routing |
| FastRoute | Fast regex-based router by nikic. The foundation many routers are built on. | Visit |
| League Route | PSR-7/PSR-15 routing and dispatch built on FastRoute. Full middleware support. | Visit |
| Enums |
| myclabs/php-enum | The enum PHP was missing. Type-hintable enums for PHP 7.3+. | Visit |
| Templates |
| Plates | Native PHP template system by The PHP League. Twig-inspired without the compilation. | Visit |
| Latte | The safest PHP template engine from Nette. Context-aware XSS protection. | Visit |
| Upgrading |
| Rector | Automated refactoring for PHP 5.3+. Upgrade entire codebases in days, not months. | Visit |
| Symfony Polyfill | Backports features from latest PHP versions. Low overhead, loaded on-demand. | Visit |
| PHPCompatibility | PHP_CodeSniffer sniffs to check version compatibility before upgrading. | Visit |