Karen Sijbrandij (@karensijbrandij) 's Twitter Profile
Karen Sijbrandij

@karensijbrandij

Ruby on Rails | React | GraphQL | Senior Software Engineer @ @Hacker0x01 | outdoorsy | maker

ID: 89425901

calendar_today12-11-2009 11:26:40

992 Tweet

601 Takipçi

296 Takip Edilen

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

GitLab Duo code generation now uses Claude Sonnet 3.5 docs.gitlab.com/ee/user/gitlab… It is really good, check it out!

Glo Dollar (@glodollar) 's Twitter Profile Photo

📣 Big news: Stellar joins Glo as Founding Organization with a $250,000 donation. Together, we’re leveraging zero-cost philanthropy to create a more balanced and better world.

📣 Big news: <a href="/StellarOrg/">Stellar</a> joins Glo as Founding Organization with a $250,000 donation.

Together, we’re leveraging zero-cost philanthropy to create a more balanced and better world.
Sam Altman (@sama) 's Twitter Profile Photo

the openresearch team releases the first result from their UBI study: openresearchlab.org/findings great, diligent work over the past few years. proud of the team!

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

Recently I sat down with Carlye Adler to discuss a wide range of topics—from starting my first company while a student in the Netherlands to building GitLab as a global all-remote company. I'm excited to share some of those discussions with you over the coming months, both here

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

Is open core controversial? This is a point some people debate, which is natural in a community of highly engaged people. Open core can be seen as controversial when you contrast it to open source—and some people will always want projects to remain open source. What’s important

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

Is co-creation the same as open source? While they share similar principles, they are different concepts with their own functions and needs. Ultimately co-creation is about engagement and contributions from the community, whereas open source is a license. youtu.be/iVjxMfuwklw

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

Recently Qasar Younis invited me to speak at a company all-hands at Applied Intuition. Qasar was my advisor at Y Combinator more than 10 years ago. He showed me how to think bigger and do more faster, which helped us grow GitLab in those critical early years. Our conversation touched on our

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

I’m excited to see this initiative launched! Open Core Ventures’s sponsorship program provides funding and guidance to maintainers interested in accelerating their project’s usage. Learn more and apply here: handbook.opencoreventures.com/open-source-pr…

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

This year, I’m excited to launch a personal newsletter and blog, in which I’ll share stories from my life and more about upcoming projects. For my first post, I’m sharing how I use one of my favorite tools, the balanced scorecard. Read the full article here

Open Core Ventures (@opencoreventure) 's Twitter Profile Photo

We recently held a roundtable with Sid Sijbrandij to discuss how AI impacts open source and building an open core company. Read why every startup needs an AI strategy and more key takeaways. opencoreventures.com/blog/every-sta…

Kilo Code (@kilo_code) 's Twitter Profile Photo

Right now, your developers are copying code into ChatGPT. Using Claude with personal accounts. Running Copilot on their own dime. The BYOAI problem isn't coming—it's here. Introducing Kilo for Enterprise: Finally, AI your developers AND security team will love 🧵

Right now, your developers are copying code into ChatGPT. Using Claude with personal accounts. Running Copilot on their own dime.

The BYOAI problem isn't coming—it's here.

Introducing Kilo for Enterprise: Finally, AI your developers AND security team will love 🧵
Sid Sijbrandij (@sytses) 's Twitter Profile Photo

Work with me to transform how 10m+ children learn worldwide! UNICEF Learning Passport is a global digital education platform already reaching more than 10 million children. They are expanding rapidly toward a 50 million goal by 2030. We’re looking for a Founding Engineer at the

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

Medical information should be easier to access for patients and other hospitals and clinics. I started a company around the open source project OpenEMR to achieve this. They are looking for an experienced, U.S.-based PHP developer. Great team with a wonderful mission to empower

DHH (@dhh) 's Twitter Profile Photo

Fleet MDM just added explicit support for Arch and Omarchy. This seems like a great option if your organization is leaving the Mac and needs a Kandji replacement. fleetdm.com/releases/fleet…

Fleet MDM just added explicit support for Arch and Omarchy. This seems like a great option if your organization is leaving the Mac and needs a Kandji replacement. fleetdm.com/releases/fleet…
Sid Sijbrandij (@sytses) 's Twitter Profile Photo

Speed run joining Kilo Code’s engineering team! We’re building the open-source AI coding platform and are currently generating 5T tokens/mo. We are looking for experienced engineers who can ship what takes an entire team at other companies. Apply by Monday to join me at focus

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

GitLab 18.5 is one of our biggest releases ever! It comes with an AI agent catalog that allows you to use Claude, OpenAI Codex, Google Gemini CLI, Amazon Q Developer, and OpenCode as well as GitLab native agents, for examples the ones for security testing.

Kilo Code (@kilo_code) 's Twitter Profile Photo

Kilo Code’s new Parallel Agent mode lets you run multiple agents side by side from the CLI, all working together in real time. No conflict. No switching. Just pure, parallel speed. youtu.be/WYjxN8QUJi8

Sid Sijbrandij (@sytses) 's Twitter Profile Photo

After many setbacks, and a lot of hard but small wins, we think Kilo Code autocomplete is so good all our users should try it. Hope you like it blog.kilo.ai/p/autocomplete… and happy thanksgiving week.

Kilo Code (@kilo_code) 's Twitter Profile Photo

We compared GPT-5.1 vs Gemini 3.0 vs Claude Opus 4.5 across 3 coding tasks. The results reveal pros and cons for each model: blog.kilo.ai/p/benchmarking…

Kilo Code (@kilo_code) 's Twitter Profile Photo

We just launched Code Reviews. AI-powered feedback that starts the moment you open a pull request. Configure it for security, performance, style, test coverage, or all of the above. Your standards, applied consistently, on every single PR.