HTTP Client
Find and compare the best open source alternatives to popular software tools. Get weekly recommendations in your inbox.
Hoppscotch
Hoppscotch is a lightweight, fast API development ecosystem with an intuitive interface for testing and developing APIs.
71,197 stars
Last commit Apr 17, 2025mit
Insomnia
Insomnia is an open-source collaborative API development platform that enables developers to design, test, and debug APIs through an intuitive interface.
36,100 stars
Last commit Apr 17, 2025apache-2.0