| Name | Stipend | Timeline | Eligibility | Application Process | Tech Stack/Focus |
|---|---|---|---|---|---|
| Google Summer of Code (GSoC) | Yes | Feb-Nov annually | University students and recent graduates | GSoC Application Process | Various |
| MLH Fellowship | Yes | Spring, Summer, Fall batches | Open to all | MLH Application | Various |
| Outreachy | Yes | Dec-Mar & May-Aug | Underrepresented groups in tech | Outreachy Apply | Various |
| LFX Mentorship | Yes | Multiple batches | Varies by project | LFX Mentorship Apply | Linux Foundation projects |
| Summer of Bitcoin | Yes | Summer months | University students | Summer of Bitcoin Apply | Bitcoin, Blockchain |
| Hyperledger Mentorship Program | Yes | Multiple batches | Open to all | Hyperledger Mentorship Apply | Blockchain |
| Open Mainframe Project Mentorship Program | Yes | Multiple batches | University students | Open Mainframe Apply | Mainframe technologies |
| OSS World Challenge | Cash prizes | Annual | Open to all | OSS World Challenge Details | Open source projects |
| Igalia Coding Experience Program | Yes | Summer | Students & early-career developers | Igalia Program Details | Web technologies |
| Name | Rewards | Timeline | Eligibility | Focus |
|---|---|---|---|---|
| Hacktoberfest | Swag | October annually | Open to all | Open source contributions |
| Apertre 2.0 | PrizePool Worth of 20K (Including Swags) | March 7 to April 5 (2025) | Open to all | Open Source Contributions |
| 24 Pull Requests | No prizes | December annually | Open to all | Open source contributions |
| GirlScript Summer of Code | Prizes, internships | Summer months | Open to all | Various |
| Advent of Code | Learning | December annually | Open to all | Programming puzzles |
| CodeForces | Ratings, prizes | Year-round | Open to all | Competitive programming |
| Facebook Hacker Cup | Cash prizes | Annual | Open to all | Competitive programming |
| ACM ICPC | Medals, prizes | Annual | University students | Competitive programming |
| Name | Rewards | Timeline | University/Region | Focus |
|---|---|---|---|---|
| FOSSEE Summer Fellowship | Stipend | Summer months | Indian universities | FOSSEE projects |
| JGEC Winter of Code | Certificates, swag | Winter months | Open to all | Various |
| NJACK Winter of Code | Swag | Winter months | Open to all | Various |
| Kharagpur Winter of Code | Certificates | Nov-Jan annually | Open to all | Various |
| DevScript Winter of Code | Certificates, swag | Winter months | Open to all | Various |
| Delta Winter of Code | Certificates, swag | Winter months | Open to all | Various |
| IIIT-Kalyani Winter of Code | Certificates, swag | Winter months | Open to all | Various |
| SIH (Smart India Hackathon) | Cash prizes | Annual | Indian students | Various |
| MIT Battle of Codes | Prizes | Annual | University students | Competitive programming |
| IIT Bombay Summer Internship | Stipend | Summer months | University students | Various IT projects |
| FOSS Overflow, IIT Bhilai | Stipend | Winter months | Indian universities | OpenLake projects |
| Name | Stipend | Timeline | Eligibility | Focus |
|---|---|---|---|---|
| Microsoft Reinforcement Learning Open Source Fest | Yes | Summer months | University students | Reinforcement Learning |
| Name | Stipend | Timeline | Eligibility | Focus |
|---|---|---|---|---|
| Free Software Foundation Internship | No | Multiple batches | Open to all | Free software movement |
| Python Software Foundation Fellowship Program | Grants | Rolling | Open to all | Python ecosystem |
| The Processing Foundation Fellowships | Stipend | Annual | Open to all | Art, technology, education |
Remember to always check the official websites for the most up-to-date information on these programs, as details may change from year to year.