Offer your services as a freelance software tester. Help businesses find and fix bugs in their applications by performing manual and automated testing. Platforms like Testlio and uTest can connect you with potential clients.

Offer data analysis services to businesses looking to make data-driven decisions. Use your skills in tools like SQL, Python, and R to analyze datasets and provide actionable insights.

Provide consulting on cloud migration and management. Many businesses are moving to cloud services and need expertise in platforms like AWS, Google Cloud, and Azure. You can help them design, implement, and manage their cloud infrastructure.

Offer consultancy services to help businesses secure their digital assets. This could involve vulnerability assessments, compliance audits, and penetration testing. You can advertise your services on professional networking sites like LinkedIn.

Start a blog focused on IT topics. Share tutorials, product reviews, or industry news. Monetize your blog through ad revenue, sponsored posts, or affiliate marketing.

Create and sell online courses on platforms like Udemy, Coursera, or Teachable. Courses can cover a wide array of IT subjects, from beginner programming classes to advanced machine learning techniques.

Write and publish e-books about IT topics you are passionate about. These could range from coding tutorials to guides on specific technologies. Platforms like Amazon Kindle Direct Publishing can make it easy to reach a large audience.

Leverage your knowledge to tutor students or professionals in various IT subjects such as programming, networking, cybersecurity, or database management. You can offer in-person sessions or use online platforms like Tutor.com or Chegg Tutors.

Create mobile applications for both iOS and Android platforms. You can develop apps for businesses, games, or even your own personal projects. Monetization can come from app sales, in-app purchases, or advertisements.

Utilize your web development skills to build websites for clients. Platforms like UpWork and Freelancer can help you connect with potential clients. You can offer services ranging from creating small business websites to developing custom web applications.