--- title: Best Open Source posts — May 2021 | daily.dev description: The most upvoted Open Source posts from May 2021, curated by the daily.dev community. canonical: https://daily.dev/tags/open-source/best-of/2021/05 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/tags/open-source/best-of/2021/05 og:type: website og:site_name: daily.dev og:title: Best Open Source posts — May 2021 | daily.dev og:description: The most upvoted Open Source posts from May 2021, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Open Source — May 2021 1. 1 [](/posts/open-source-needs-you-rklmrukjd "Open Source Needs You") Article JavaScript in Plain English · 5y Open Source Needs You Nearly every JavaScript tool you use is open sourced. Being a part of this momentous community may be the most rewarding and transformative experience you get to go through as an engineer. Getting yourself familiar with the open source scene will take some effort and time. There are many ways to refactor to get started. 54 3 2. 2 [](/posts/nocodb-the-open-source-airtable-alternative-wgr3rqgzw "NocoDB — The Open Source Airtable alternative") Article Product Hunt · 5y NocoDB — The Open Source Airtable alternative NocoDB is an open source Airtable alternative. It transforms your relational databases into a smart spreadsheet. Our app store allows you to connect to any cloud services like S3 for file storage and 3rd party apps like Slack, Twilio for business workflows. 26 1 3. 3 [](/posts/build-a-todo-app-in-react-with-supabase---the-open-source-firebase-alternative-xnmzjj-p8 "Build a Todo app in React with Supabase - The Open-Source Firebase alternative") Article Hashnode · 5y Build a Todo app in React with Supabase - The Open-Source Firebase alternative Supabase is a Backend-as-a-Service provider. It provides a Postgres Database, Authentication, instant APIs, real-time subscriptions, and Storage. It is built using a combination of open-source tools. You can self-host your project if you ever need it. 17 2 4. 4 [](/posts/react-bootstrap-5-700-ui-components-templates-for-bootstrap-5-react-17-pvf23tq6g "React Bootstrap 5 — 700+ UI components & templates for Bootstrap 5 & React 17") Article Product Hunt · 5y React Bootstrap 5 — 700+ UI components & templates for Bootstrap 5 & React 17 React UI Kit speeds up development with a huge collection of beautiful & robust elements. Open source & MIT License - Bootstrap 5 - Material Design 2.0 - updated guidelines! - Super simple installation. 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