Sentry's commitment to open source — projects we maintain, contribute to, and love. Open SourceFair Source Software in the AI age How generative AI is disrupting software licensing models and why Fair Source software remains viable in the AI era. Open SourceAnother year, another $750,000 to Open Source maintainers Sentry’s 2025 open source report: $750k committed, $4.5M paid by Pledge members, and why paying maintainers is no longer optional. Chad Whitacre - January 6, 2026 · 2 min read Open SourceWe Just Gave $750,000 to Open Source Maintainers In honor of the 4th year of our Open Source Pledge, we’re excited to continue driving this important conversation. See what we’ve accomplished in 2024 here. Chad Whitacre - November 12, 2024 · 4 min read Open SourceSentry is now Fair Source Today we’re launching Fair Source, a new approach to software sharing that is safe for companies to adopt and developers to use. Before Fair Source, companies… Chad Whitacre - August 6, 2024 · 4 min read Open SourceNow’s The Time For Delayed Open Source Sentry was born and bred in the Open Source community, and we very much think of ourselves as part of it today. One thing we’ve learned together over the years… Chad Whitacre - January 11, 2024 · 4 min read Open SourceIntroducing the Functional Source License: Freedom without Free-riding Sentry started life in 2008 as an unlicensed, 71-line Django plugin. The next year we began publishing it under BSD-3, and ten years later we switched to the… Chad Whitacre - November 17, 2023 · 6 min read Open SourceWe Just Gave $500,000 to Open Source Maintainers Want to hear more? Register for “The Future of Open Source: The State of Sustainability”, on October 26. --- Sentry is an Open Source-aligned company, and our… Chad Whitacre - October 24, 2023 · 6 min read Open SourceSentry's Open Source Values Sentry's Open Source values are 1) sustainability for maintainers and 2) access to technology and knowledge for developers. If you share our values then let's work together to move the conversation forward. Chad Whitacre - September 6, 2023 · 12 min read Open SourceWe Just Gave $260,028 to Open Source Maintainers Sentry is an Open Source-aligned company, and it’s important to us to financially support our non-commercial colleagues in the community as we continue to… Chad Whitacre - October 27, 2022 · 5 min read Open SourceSpooky Season means Hacktoberfest 🎃 Spooky Season means Hacktoberfest is here! 👻 Hacktoberfest is less spooky and more exciting for us here at Sentry. If you're new to Hacktoberfest, our… Sarah Guthals - October 5, 2022 · 2 min read Open SourceYes, Open Source Is Sustainable Two months ago, we announced our annual investment in open source maintainers, mostly folks whose work we depend on to deliver Sentry to you, plus a few… Chad Whitacre - December 16, 2021 · 2 min read Open SourceWe Just Gave $154,999.89 to Open Source Maintainers Sentry is an Open Source-aligned company. We started out in 2008 as a small open source side project, and we grew within the community for years before… Chad Whitacre - October 21, 2021 · 7 min read Open SourceHacktoberfest is Upon Us Ah, October. Pumpkin spice fills the nostrils of Northern Hemispherians, spring stirs the air in the South, and DigitalOcean & Friends bring us yet another… Chad Whitacre - October 5, 2021 · 1 min read Open SourceFunding Open Source Sentry gave $20,000 to open source projects in 2019 and is committed to contributing $100,000 in 2020. David Cramer - February 18, 2020 · 3 min read Open SourceRe-Licensing Sentry Our projects now use the Business Source License (BSL), to protect them from being misused without changing anyone’s ability to run Sentry at their company. David Cramer - November 6, 2019 · 6 min read