GITM - Gopher in the middle
GITM is a man in the middle proxy for inspecting tls encrypted https data.
Screenshot

Features
- Intercept traffic between a client you control, and any server
- Support for intercepting http, https, and websocket traffic
- Automatically uncompresses many compression types, such as gzip and deflate.
- Decode parts of intercepted packets. Ex: Hex, Base64, urlencoding, etc.
- Save intercepted packets for later analysis
- Add your own decoding mappings
Supported platforms
- Windows
- macOS
- Linux
- Android
- IOS