Developer Tools

Medusa

36,1735,204

An open-source headless commerce platform and a self-hostable alternative to Shopify and commercetools. Medusa delivers commerce primitives — carts, orders, payments, fulfillment, promotions, multi-region and multi-warehouse — as a modular Node.js framework, with a REST/GraphQL API, an admin dashboard, and full control over the storefront.

Appsmith

40,8264,757

An open-source low-code platform and a self-hostable alternative to Retool for building internal tools, admin panels, and dashboards. Appsmith connects to 25+ databases and any REST or GraphQL API, pairs a drag-and-drop UI builder with pre-built widgets, and lets developers add logic in JavaScript — with no per-user cost when self-hosted.

Supabase

75,8817,447

An open-source Firebase alternative that provides a complete backend platform with Postgres database, authentication, real-time subscriptions, storage, and serverless functions.

PocketBase

42,6642,013

An open-source Go backend that provides an all-in-one solution for building web and mobile applications with an embedded database, authentication, and API functionality.

Novu

35,9323,939

An open-source notifications framework that simplifies sending multi-channel notifications, empowering developers to integrate powerful communication tools into their applications.

Hoppscotch

66,3354,615

An open-source API development ecosystem that helps developers create, test, and manage API requests efficiently with a user-friendly interface and powerful features.

Sentry

39,5284,232

A developer platform for error tracking and performance monitoring that helps developers identify, resolve, and gain insights into application issues across multiple programming languages and frameworks.

Appwrite

46,1834,100

An end-to-end backend server for web, mobile, and native applications that simplifies backend development by providing a comprehensive set of microservices and APIs.