GirlScript Summer of Code(GSSoC)
GirlScript Summer Of Code is an open-source program conducted every summer by the Girlscript Foundation. GirlScript Summer of Code would give you a taste of contributing to long open-source projects. Continuously for 3 months, you will contribute to your assigned projects under the guidance of experienced mentors. You can register Here

Google Summer of Code
Google Summer of Code program is a program started by Google and has completed 17 years. It is a program that aims to promote open-source software development among university students. There are a few organizations and these organizations have mentors. First, the organizations apply to Google and after the organizations are selected then the students apply to the organizations. Bear in mind that you are not an employee of Google or even not an intern at Google. You’re working with that organization that you applied to or got selected in. It is a paid program with a stipend of 1500 USD for Medium Size Projects and 3000 USD for Large Size Projects in India.Here’s the application link

Google Summer Of Docs
One thing that an open-source project cannot get enough of is good documentation. However, Google Season of Docs is a new program by Google where technical writers and open source organizations come together and work on open source projects. The technical writers write documentation for open source organizations and also get paid by Google. It is a worthwhile platform for students to learn from industry experts and to work on open-source projects. Also, you need to remember that you must be aged 18 or more at the time of registration to become eligible for Google Season of Docs.Here’s the application link

Outreachy
Outreachy has internship projects in both open source and open science. These internship projects may include programming, research, user experience, documentation, graphical design, data science, marketing, user advocacy, or event planning. Here’s the application link

Major League Hacking (MLH) Fellowship
The MLH Fellowship is a remote internship alternative for aspiring technologists where you can spend 12 weeks building your skills by collaborating on real-world projects. 3 tracks are available for this internship: open-source, software development, and production engineering. A 3-week prep program is also available for absolute beginners. The applications are open now. More information and the application submission link can be found here.

Open Summer Of Code
It is organized by Open Knowledge Belgium. All students will work in teams on different open-source innovation projects provided by partnering organizations, companies, and even governments. You don’t necessarily have to be staying in Belgium to apply for Open Summer of Code, but you have to be allowed to work as a student under the Belgian regulation. More information and the application submission link can be found here With so many opportunities in open-source, we hope that you will start contributing to open-source projects. We encourage you to participate in these programs as you will be able contribute to some meaningful, industry-grade projects. All these programs are well reputed and participation in these can be an excellent advancement in your blooming careers. It’s never too late for new beginnings in your life, so we hope to see a large number of students contributing to open-source projects. case of any queries or doubts you can always connect with the members of Mozilla Club. We will always be there to guide and help you with your journey of discovering open-source !