Basic Computer Science Libraries, such as Search & Sort Algorithms | Free for Personal, a Nominal Fee for Commercial Use | Monthly Subscription of $19.99 for Unlimited Commercial Use, $12.99 for Educational Use
Do not contort over simple things. Forever forget about poorly implemented algorithms and components. Availability could be in any or all of the following 8 languages: Java, C#, C, C++, Go, Python, Javascript/Typescript, and Swift
Source code available for review for commercial use. Source code copy & paste for private modification for teaching or for assignments allowed for educational use