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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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Hive

MIT

A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs

HasuraApollo GraphQLStepzen
481 148 Last commit 1 day ago
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Hoppscotch

MIT

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

PostmanTestfully
80K 5.9K Last commit 3 days ago
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HTTPie

BSD-3-Clause

Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

PostmanTestfully
4.0K 56 Last commit 1 year ago
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Insomnia

Apache-2.0

Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.

PostmanTestfully
38K 2.3K Last commit 2 days ago
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Krakend

Apache-2.0

High-performance, stateless API gateway built for microservices. Handle 80K+ requests/second with transparent pricing and enterprise-grade reliability.

KongZuploApigee
2.6K 497 Last commit 9 days ago
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Requestly

Unknown

A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing

PostmanTestfully
6.7K 703 Last commit 2 days ago
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Tyk

Unknown

Fast, scalable API management platform with open source gateway, analytics, dev portal and dashboard. Deploy anywhere with AI-ready governance and security.

KongZuploApigee
11K 1.2K Last commit 2 days ago
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UnKey

AGPL-3.0

Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

KongAmazon API GatewayZuplo
5.3K 622 Last commit 1 day ago
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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.

PostmanTestfully
1.2K 46 Last commit 3 days ago
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Yaak

MIT

A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.

PostmanTestfully
19K 767 Last commit 3 days ago
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Argos

MIT

Automate visual testing, catch UI bugs early, and collaborate effortlessly with your team to maintain pixel-perfect interfaces.

ApplitoolsChromaticPercy
589 57 Last commit 3 days ago
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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.

FigmaMiroPaper
2.6K 279 Last commit 18 days ago
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Unleash

AGPL-3.0

A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.

LaunchDarklyHypertuneStatsig
14K 863 Last commit 1 day ago
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Coder

AGPL-3.0

Self-hosted development platform that enables secure, scalable remote coding with automated provisioning, reduced cloud costs, and enterprise-grade security.

Microsoft Dev BoxGitHub CodespacesAmazon CodeCatalyst
13K 1.3K Last commit 16 hours ago
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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.

LovableBase44Replit
171 71 Last commit 6 months ago
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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.

GitHubBitBucket
4.9K 848 Last commit 11 hours ago
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GitButler

Unknown

GitButler is a powerful Git client that enables seamless work on multiple branches concurrently, enhancing your existing workflow.

21K 962 Last commit 14 hours ago
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Gitea

MIT

A lightweight, fast, and customizable Git service that simplifies code hosting and collaboration for teams of all sizes.

GitHubBitBucketUpsource
56K 6.8K Last commit 24 hours ago
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Gitpod

AGPL-3.0

Standardized, automated dev environments in the cloud. Self-host or use managed service. Integrate with existing tools and workflows.

Microsoft Dev BoxGitHub CodespacesBitBucket
14K 1.4K Last commit 2 days ago
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Gogs

MIT

Lightweight, cross-platform Git service for self-hosting. Easy installation, minimal requirements, runs on Raspberry Pi. 100% open source and free.

GitHubBitBucket
48K 5.1K Last commit 4 days ago
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Grit

MIT

Grit uses machine learning and static analysis to automatically generate pull requests that clean up code and migrate to the latest frameworks.

4.5K 122 Last commit 2 days ago
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Opengrep

LGPL-2.1

Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.

2.7K 221 Last commit 2 days ago
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/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.

VercelNetlifyHeroku
4.7K 180 Last commit 3 months ago
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Bytebase

Unknown

Comprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.

14K 947 Last commit 2 days ago
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