<p>Google Summer of Code (GSoC) is a global online programme that brings new contributors into open-source software development. Contributors work with a participating open-source organisation on a 12+ week coding project under the guidance of mentors, receiving a stipend determined by project size and country of residence.</p> <ul> <li>Eligibility: aged 18 or over and resident in a country not under US embargo; open to both students and non-students since 2022</li> <li>Project sizes: medium (~175 hours) and large (~350 hours) standard tracks; extended timelines of up to 22 weeks available</li> <li>Format: fully remote; contributors collaborate online with mentoring organisations worldwide</li> <li>Community bonding period in May precedes the coding period, which runs through the summer</li> <li>185 mentoring organisations participate in the 2026 edition</li> </ul> <p>Applications for the 2026 edition closed on 31 March 2026; subsequent editions open annually in March.</p>