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Developer Tools
Developer Tools open-source alternatives curated by the directory.
Developer Tools
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169 of 169 tools
Refine
MIT
A React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities.
Reflex
Apache-2.0
Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.
Rowy
Unknown
A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.
Structr
Unknown
Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environment.
Supabase
Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Tailcall
Apache-2.0
Swiftly design and ship best-practice GraphQL backends atop existing data sources and APIs.
TipTap
MIT
A customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror
ToolJet
AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
Trigger
Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.
undb
AGPL-3.0
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
WunderGraph
Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Bruno
MIT
A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.
Gravitee
Apache-2.0
Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance.
Hive
MIT
A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs
Hoppscotch
MIT
Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
HTTPie
BSD-3-Clause
Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.
Insomnia
Apache-2.0
Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.
Krakend
Apache-2.0
High-performance, stateless API gateway built for microservices. Handle 80K+ requests/second with transparent pricing and enterprise-grade reliability.
Requestly
Unknown
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing
Tyk
Unknown
Fast, scalable API management platform with open source gateway, analytics, dev portal and dashboard. Deploy anywhere with AI-ready governance and security.
UnKey
AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.
Voiden
Apache-2.0
Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.
Yaak
MIT
A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.
Argos
MIT
Automate visual testing, catch UI bugs early, and collaborate effortlessly with your team to maintain pixel-perfect interfaces.