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Replays Chrome Network requests locally so developers can debug APIs without sending request data to a hosted workspace, instead of using cloud-based API clients.
Works offline
What to know▼
How it works
Copy any Network request as cURL, import into Pulse, edit and rerun locally; supports collections, JSON paths, diffs, validation tests, exports.
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An open-source Python framework that auto-generates a REST API, admin back-office, and React CRUD UI from your data models, for developers building internal tools locally.
Works offlineOpen source
What to know▼
How it works
define data models once in Python; generates API, admin panel, and UI automatically
What's different
open source, local-first, data stays on your infrastructure
Best for
developers building CRUD apps without hand-building each layer
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Packs an entire web app or documentation site into a single offline ZIP file that runs without breaking on JS/CORS restrictions, unlike typical offline export formats.
Works offlineOpen source
What to know▼
How it works
Maps a ZIP to memory and spins up a local HTTP server so the packed app 'thinks' it's online
What's different
Open source, avoids CORS breakage that plagues other offline formats
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A desktop HTTP testing and automation tool for developers, with request chaining, OpenAPI support and cURL generation. Runs fully offline, free, with no ads or subscription.
FreeWorks offlineNo subscription
What to know▼
How it works
A desktop HTTP testing environment for creating, automating and validating HTTP workflows, with OpenAPI support, request chaining, dynamic parameters, advanced response validation, and cURL generation.
What's different
Completely free and offline, with no ads, subscriptions, or feature restrictions, plus native ARM support.
Pricing
Free, with no ads, subscriptions, or feature restrictions.
Best for
Developers building and validating HTTP request workflows and APIs.
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License and entitlement infrastructure for Apple apps: a Swift SDK with offline verification, device limits, trials and Stripe-based license minting, for developers who don't want to build licensing from scratch.
Works offline
What to know▼
How it works
Licensing and entitlement infrastructure for Apple apps: drop in a Swift SDK and verify entitlements locally using offline-ready Ed25519 leases, with device limits, trials and feature flags built in. Connect Stripe and licenses mint automatically from payments.
What's different
Offline-capable local entitlement verification plus automatic Stripe-driven license minting, rather than needing to build licensing infrastructure from scratch.
Best for
Developers of Apple apps who need licensing, trials and device limits without building that infrastructure themselves.
