Free search-engine tools or service for developers

OA.mg(Open Access for Everyone)

Search for papers or authors, download and read 200 million open access research papers

Tags: search-engine, research

Perplexity AI

Ask Anything

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SyntaxDB - Programming Syntax Database

SyntaxDB lets you easily look up syntax for your favourite programming language. Now supporting Java, C, C++, C#, JavaScript, Swift, Python, Ruby, and Go.

Tags: search-engine