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refine
YC S23San Francisco, US · Founded 2022 · 10 employees · 11 known investors
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Refine is an open-source web application framework that helps organizations build web applications faster with fewer resources. The company develops the open-core framework and related ecosystem products.
Also known as Refine Development Inc. · refine, Refine
Cloud ComputingDeveloper ToolsEnterprise SoftwareSaaSOpen SourceWeb DevelopmentUnited States of AmericaAmerica / CanadaFully Remote
Founders & leadership· Y Combinator alumni (S23)
CO
Civan OzseyhanCEO & Co-FounderCivan Ozseyhan has spent over 15 years building enterprise software and is co-founder and CEO of refine, an open-source company.
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Omer AplakFounder & CTO2022–2025He began his software development career during high school and did not complete university.
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Eren ErkalkanChief Product Officer, Co-FounderEren Erkalkan has spent nearly 15 years in product leadership and founding roles within e-commerce and online dating. He now leads refine, a React framework for web application development that originated as an open-source project.
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Emre BaranCEO & Co-founder
PK
CÖ
Civan ÖzseyhanCEO & Co-Founder
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Theo BrowneCEO
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Burak Emre KabakçıStaff SWE
Board
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Aksel KastoryanoEntrepreneur - Investor
Investors · 11
Y Combinator✓ confirmed by refineSan Francisco · $500K
How we know: the company's own site · the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
Eight Capitallisted by Eight CapitalNorwalk
How we know: Y Combinator's founder network · eightcapital.com · Not right? Tell us
Senovolisted by SenovoMunich · $1.1M – $5.4M
How we know: open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us
Andreessen HorowitzreportedMenlo Park · $500K – $50M
How we know: Y Combinator's founder network · Not right? Tell us
Capitalize VCreportedChicago · $100K – $200K
How we know: Y Combinator's founder network · Not right? Tell us
CT Tornado Sp. z o. oreported
How we know: Y Combinator's founder network · Not right? Tell us
e2vcreported
How we know: Y Combinator's founder network · Not right? Tell us
Palm Drive CapitalreportedNew York · $500K – $5M
How we know: Y Combinator's founder network · Not right? Tell us
StonksreportedSan Francisco
How we know: Y Combinator's founder network · Not right? Tell us
VoLo Earth VenturesreportedSnowmass Village · $2M
How we know: press coverage · Not right? Tell us
Related companies · 10
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ReflexReflex is a platform for building and deploying enterprise applications in Python, combining framework, infrastructure, and data connectivity in a single unified system. It enables teams to develop, deploy, and manage production applications without fragmented tooling or multiple specialized roles.
Firefox,Mozilla is a global community organization that develops and maintains open-source internet infrastructure, including the Firefox web browser and Thunderbird email client, while advocating for internet openness, privacy, and user control. The organization also invests in responsible technology startups and creates open-source AI tools for developers.
Sails Co.The Sails Company develops open-source web and mobile frameworks alongside professional services for server-side development using JavaScript and Node.js. They offer consulting, design, and implementation support to help developers and organizations build enterprise-grade applications more efficiently.
weweb.ioWeWeb is a no-code platform for building web applications and full-stack applications, designed for both coders and non-coders. The platform integrates frontend, backend, and AI capabilities to enable users to create and deploy complete applications without extensive coding.
MimoMimo offers an interactive mobile app for learning software development through guided coding lessons and hands-on projects, serving beginners who want to pursue careers as web, full-stack, Python, or front-end developers. The platform combines written explanations with real-world coding exercises, project building, AI-assisted tutoring, and certificate programs.
InthInth provides developer-first consent infrastructure that allows software teams to manage cookie consent, regional rules, and script loading directly in code rather than through external platforms. The product targets engineering teams that ship frequently and need to maintain consent compliance without performance degradation.
DataCampDataCamp is a learning platform for teams that teaches data and AI skills through hands-on coursework accessible via web browser and mobile app. It serves enterprise customers and development teams seeking to build technical capabilities.
TriplitTriplit provides a database and state management system for web applications that handles data persistence and real-time synchronization across clients.
EducativeEducative offers online courses and learning paths in software development, machine learning, and technical interview preparation. The platform serves individuals seeking to develop in-demand technology skills.
Companies working in the same space as refine.
Legal entities · 1
corporate structureRefine Development Inc.
In the news
Frequently asked questions
- What does refine do?
- Refine is an open-source web application framework that helps organizations build web applications faster with fewer resources. The company develops the open-core framework and related ecosystem products.
- Who founded refine?
- refine was founded by Civan Ozseyhan, Omer Aplak, Eren Erkalkan, Emre Baran, Piotr Karwatka, Civan Özseyhan in 2022.
- Who are refine's investors?
- refine's investors include Y Combinator, 500 Emerging Europe, Eight Capital, Senovo, Andreessen Horowitz, Capitalize VC, CT Tornado Sp. z o. o, e2vc and 3 more.
- Where is refine headquartered?
- refine is headquartered in San Francisco, US.