1.usebruno / bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
+4,832 stars
from 43,148 · score 8.48
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
20 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
2.keploy / keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
+2,368 stars
from 16,606 · score 7.77
3.hoppscotch / hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
+2,191 stars
from 78,526 · score 7.69
4.MobSF / Mobile-Security-Framework-MobSF
Mobile Security Framework (MobSF) is an automated, all-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis.
+1,293 stars
from 20,803 · score 7.17
5.httpie / cli
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.
+892 stars
from 37,795 · score 6.79
6.metersphere / metersphere
MeterSphere 是新一代的开源持续测试工具，内置 AI 助手，让软件测试工作更简单、更高效，不再成为持续交付的瓶颈。
+522 stars
from 13,077 · score 6.26
7.Orange-OpenSource / hurl
Hurl, run and test HTTP requests with plain text.
+512 stars
from 18,781 · score 6.24
8.schemathesis / schemathesis
Catch API bugs before your users do
+488 stars
from 3,248 · score 6.19
9.ducaale / xh
Friendly and fast tool for sending HTTP requests
+447 stars
from 7,714 · score 6.10
10.microcks / microcks
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
+203 stars
from 1,870 · score 5.32
11.karatelabs / karate
Test Automation Made Simple
+201 stars
from 8,801 · score 5.31
12.stoplightio / prism
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
+164 stars
from 4,900 · score 5.11
13.requestly / requestly
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
+156 stars
from 6,604 · score 5.06
14.fityanos / awesome-quality-assurance-roadmap
:books: The starting point of your career as a Software Quality Assurance Engineer | Quality Automation Engineer :books:
+110 stars
from 2,094 · score 4.71
15.stepci / stepci
Automated API Testing and Quality Assurance
+38 stars
from 1,835 · score 3.66
16.chapar-rest / chapar
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
+37 stars
from 689 · score 3.64
17.httpie / http-prompt
An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie
+34 stars
from 9,072 · score 3.56
18.golikovichev / postman2pytest
Convert Postman Collection v2.1 JSON into executable pytest test suites
+19 stars
from 1 · score 3.00
19.PSPDFKit-labs / bypass
Bypass provides a quick way to create a custom plug that can be put in place instead of an actual HTTP server to return prebaked responses to client requests.
+10 stars
from 991 · score 2.40
20.zuplo / mockbin
Mockbin by Zuplo. Mock, Test, and View HTTP Requests and Responses
+9 stars
from 134 · score 2.30