HTTP Toolkit vs Omni Calculator

Powerful tools to debug, test & build with HTTP

HTTP Toolkit is a beautiful, cross-platform & open-source HTTP debugging proxy, analyzer & client, with built-in support for modern tools from Docker to Android to GraphQL.

One-click setup, request/response diffs, and customizable metrics & analysis. Live traffic editing, and error & performance simulation. Rapid HTTP client or server prototyping, from real traffic or from scratch.

Debug, test & build HTTP(S), with a powerful suite of tools designed for modern development.

Embeddable calculators that solve hundreds of everyday problems

Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.