LiteSpeed web server is a high-performance Apache drop-in replacement. LSWS is the 4th most popular web server on the internet and the #1 commercial web server. Performance up to 20x faster than Apache with a small memory footprint and increased scalability.
MariaDB is a drop-in replacement for MySQL meaning it follows the same schemas and structure therefore is compatible with your current scripts/software that require mySQL. The difference is faster and safer data replication.