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Browse Open Source Alternatives
Explore the complete first batch of open-source alternatives with repository metrics and direct learning previews.
Browse Open Source Alternatives
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775 of 775 tools
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.
Quant-UX
GPL-3.0
Quant-UX is an open-source tool for creating interactive prototypes, conducting user tests, and analyzing results to improve UX design.
Unleash
AGPL-3.0
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.
Coder
AGPL-3.0
Self-hosted development platform that enables secure, scalable remote coding with automated provisioning, reduced cloud costs, and enterprise-grade security.
CodinIT.dev
Apache-2.0
Build, deploy, and own full-stack web apps using AI prompts. Supports 19+ AI providers, Postgres, auth, storage, and serverless functions out of the box.
Forgejo
Unknown
Self-hosted software forge offering GitHub-like features with minimal resources. Easy installation, low maintenance, and 100% free software for secure project management.
GitButler
Unknown
GitButler is a powerful Git client that enables seamless work on multiple branches concurrently, enhancing your existing workflow.
Gitea
MIT
A lightweight, fast, and customizable Git service that simplifies code hosting and collaboration for teams of all sizes.
Gitpod
AGPL-3.0
Standardized, automated dev environments in the cloud. Self-host or use managed service. Integrate with existing tools and workflows.
Gogs
MIT
Lightweight, cross-platform Git service for self-hosting. Easy installation, minimal requirements, runs on Raspberry Pi. 100% open source and free.
Grit
MIT
Grit uses machine learning and static analysis to automatically generate pull requests that clean up code and migrate to the latest frameworks.
Opengrep
LGPL-2.1
Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.
/dev/push
MIT
Open source deployment platform that deploys apps directly from GitHub with zero-downtime, real-time logs, preview URLs, and support for Python, Node.js frameworks.
Bytebase
Unknown
Comprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.























