Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Docker




Treblle is described as 'Federated API Intelligence platform delivering full API visibility, security, and control from one integration point' and is an app in the development category. There are more than 50 alternatives to Treblle for a variety of platforms, including Mac, Linux, Windows, Web-based and Flathub apps. The best Treblle alternative is Grafana, which is both free and Open Source. Other great apps like Treblle are Postman, Insomnia REST Client, Yaak and HTTP Toolkit.








Pinpoint and solve performance issues in your Ruby, Java, .NET, PHP and Python apps with real user, application and server monitoring.

Serial Studio is an open-source, cross-platform telemetry dashboard and real-time data visualization tool. It supports input from serial ports, Bluetooth Low Energy (BLE), and TCP/UDP sockets. It's ideal for embedded devices, external tools, and network services.


API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android.



API Tester is the most popular iPad & Android Tablet alternative to Treblle.
Dynatrace combines the industry’s broadest observability and runtime application security with predictive, causal, and generative in a unified platform to deliver answers and intelligent automation from data.




A free and robust API, Web and Mobile test automation solution with continuous integration trusted by hundreds of thousands of developers and testers.




Runscope helps you monitor, log and measure API usage to solve API problems fast. Automatically monitor APIs without any coding. Runscope provides complete logging for all of your API traffic. Track down troublesome API calls with powerful search.




This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.

All the user-friendliness of our Terminal version, now wrapped up in a sleek graphical interface.



RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.


