Use The Index, Luke! : A tutorial covering SQL indexing and SQL tuning for developers: avoiding unnecessary details about database internals.
SQL indexing is the most effect...
MySQLTuner : MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stabi...
PHP Performance tool : PHP performance tool analyse your script on time, memory usage and db query. Support Laravel and Composer for web, web console and command line interf...
Query Mongo : Convert MySQL Queries to MongoDB Syntax
ESBench : Shareable JavaScript Benchmarking
Built-in ES2015 support, powered by Babel
Statistically significant benchmarks, powered by Benchmark.js
Vitess is a database clustering system for horizontal scaling of MySQL.