Artificial Intelligence (AI): Learning AI can boost your salary by up to 40%. Free courses include "AI for Everyone" by DeepLearning.AI and "Generative AI with Large Language Models" by AWS.
Data Analysis: Data analytics skills are in high demand, with potential earnings of up to $150,000 annually. Free courses include the Google Data Analytics Professional Certificate.
Strategic/Critical Thinking: Employers value these soft skills for leadership and decision-making. Free resources include the "Strategic Leadership And Management" course by Coursera.