
Loadster
Loader.io
LoadForge
LoadUIWeb
k6 Cloud
LoadStorm
Fast DDoS Attack Cmd
Cloud Testing Infrastructure | Cloud Testing Services and Tools for Websites & APIs.

Insomnia REST
Postman
Hoppscotch
Bruno
HTTPie
k6 Cloud
Visual API testing for HTTP, GraphQL, gRPC, WebSocket, Kafka, and SSE. Workflow designer, load testing, mock server, CLI. AGPL.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | loadfocus.com | redfireforge.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


All-In-One cloud testing tool for load testing and performance testing websites and APIs. Testing your website or application can be hard, time consuming and not provide the necessary insights for the product, development and devops teams. That is why we created LoadFocus - your new testing...
RedfireForge is an open-source visual API testing and load-testing workbench for HTTP, GraphQL, gRPC, WebSocket, SSE, and Kafka — all in one UI. Desktop (macOS, Windows, Linux) or browser. Same engine in CI: npm install -g redfireforge-cli Features: - Ad-hoc requests (Postman-style client +...
What each product offers, as listed by its team.


Walkthroughs and reviews on video.
LoadFocus Cloud Testing Platform
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing LoadFocus and RedfireForge.
RedfireForge's answer:
Six API protocols in one UI: HTTP, GraphQL, gRPC, WebSocket, SSE, and Kafka. Most tools cover one or two protocols. RedfireForge covers all six with a shared variable system, a visual workflow designer, load testing, and a built-in mock server — plus a CLI that uses the same engine as the UI. It runs as a desktop app (Tauri) or in the browser. AGPL v3, local-first, no account required.
RedfireForge's answer:
If you work with more than one protocol, you stop switching tools. HTTP, GraphQL, gRPC, WebSocket, SSE, and Kafka share the same collections, environments, and workflow graph. Load tests and mock server are built in — no extra installs. The CLI runs the same tests in CI. Current release is 0.8.x and free under AGPL v3.
RedfireForge's answer:
Backend and platform engineers who test or integrate APIs across multiple protocols. Also QA engineers running load tests and developers who want a local mock server without a separate tool. Anyone tired of keeping four separate clients open for one service.
RedfireForge's answer:
uilt because keeping a REST client, grpcurl, wscat, and a load runner open at the same time was slowing down API work. The goal was one local-first workbench that covers the full protocol stack — HTTP through Kafka — with the same engine in the UI and in CI. Released as AGPL v3 so it can run on private networks without sending data to a cloud service.
RedfireForge's answer:
Frontend: React + TypeScript + Vite - Desktop shell: Tauri 2 (Rust) - CLI: Node.js (npm install -g redfireforge-cli) - Storage: local-first (Tauri FS / IndexedDB / localStorage) - HTTP: native (Tauri) or browser fetch
RedfireForge's answer:
Share your experience with using LoadFocus and RedfireForge. For example, how are they different and which one is better?
When comparing LoadFocus and RedfireForge, you can also consider the following products.

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Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.
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Loader.io is a simple cloud-based load testing service
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The Collaboration Platform for API Development
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Better, cheaper load testing for websites, APIs and servers
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