| 51 |  EasyPostmanAn open-source Postman-style API client and JMeter-style load testing desktop app. | 6.0.15 | Open source | July 22, 2026 | — | ★ 725 |
| 52 |  tgstation-serverA production scale tool for BYOND server management | 6.19.2 | Open source | February 5, 2026 | — | ★ 86 |
| 53 |  ProtomanBasic Postman clone with protobuf functionalities | 0.4.1 | Open source | October 3, 2021 | — | ★ 454 |
| 54 |  ResonanceLocal-first, zero-account Open Source API Client | 3.5.4 | Open source | October 25, 2026 | — | ★ 63 |
| 55 |  TigerFree, open source, git-native API client. A local-first Postman alternative with a built-in MCP server. | 0.8.1 | Open source | October 8, 2026 | — | ★ 103 |
| 56 |  WebLogic Remote ConsoleWebLogic Remote Console is a lightweight, open source console that you can use to manage your WebLogic Server domain running anywhere, such as on a physical or virtual machine, in a container, Kubernetes, or in the Oracle Cloud. | 3.0.6 | Open source | October 21, 2026 | — | ★ 69 |
| 57 |  VayuOpen-source API client with a native C++ load-testing engine - Postman-style requests and k6-level load tests in one local app. | 0.45.0 | Open source | October 22, 2026 | — | ★ 18 |
| 58 |  Zuli ProxyBroker ExtendedFind, validate, and serve rotating public HTTP(S) and SOCKS4/5 proxies. | 1.1.0 | Open source | October 5, 2026 | — | 10 ↓ |
| 59 |  SmartDumpA flexible command line utility to capture exception logs and memory dump files against a target process based on user specified settings like filter strings or memory addresses of breakpoints. | 1.13 | Open source | December 30, 2025 | — | ★ 28 |
| 60 |  DataPressFast multi-backend (DuckDB / DataFusion) HTTP server over Parquet and Delta datasets. | 0.8.6 | Open source | July 26, 2026 | — | ★ 4 |
| 61 |  HiggX - Quotation Factory CLICLI for the Quotation Factory manufacturing API. | 0.4.4-beta | Proprietary | October 24, 2026 | — | ★ 4 |
| 62 |  apic-guiDesktop GUI for apic — design and collaborate on Git-friendly API contracts. | 0.5.1 | Open source | September 1, 2026 | — | ★ 8 |
| 63 |  apicA lightweight, Git-friendly CLI tool for designing and collaborating on API contracts. | 0.5.1 | Open source | August 28, 2026 | — | ★ 8 |
| 64 |  VeghaAPI Test Client | 1.4.0 | Open source | October 19, 2026 | — | ★ 6 |
| 65 |  Packet Capture ProHTTP/HTTPS packet capture and API debugging proxy | 3.3.0 | Proprietary | September 15, 2026 | — | ★ 8 |
| 66 | NntnNotion CLI | 0.23.25 | Open source | October 22, 2026 | 5.8 MB | — |
| 67 | PPostman AgentOvercome the Cross-Origin Resource Sharing (CORS) limitations of browsers, and facilitate API request sending from your browser version of Postman. | 0.5.2 | Proprietary | October 13, 2026 | — | — |
| 68 | NNativeRestNative REST API client for Windows, macOS and Linux | 3.4.1 | Proprietary | May 23, 2026 | 14.4 MB | — |
| 69 |  RedfireForgeVisual API testing and load-testing workbench for HTTP, GraphQL, gRPC, WebSocket, SSE, and Kafka | 0.8.15 | Open source | October 1, 2026 | — | ★ 5 |
| 70 |  StraumrCLI tool for managing, saving, and sending HTTP requests across workspaces | 2026.10.9.45 | Open source | October 9, 2026 | — | ★ 1 |
| 71 |  Quotation Factory CLICLI for the Quotation Factory / Rhodium24 manufacturing API. | 0.0.1-alpha | Proprietary | July 14, 2026 | — | ★ 4 |
| 72 | GGalaxy ModelerA schema design tool for GraphQL for easy and fast visual GraphQL data modeling | 13.7.0 | Proprietary | October 19, 2026 | — | — |
| 73 | RReadyAPIA low-code API testing platform for development teams that care about creating test automation across any workflow. | 4.3.0 | Proprietary | October 17, 2026 | 553.2 MB | — |
| 74 |  swerveSpeedy, no-fuss serving of directories on a localhost webserver. | 1.7.2 | Open source | April 4, 2025 | — | ★ 1 |
| 75 | AApipostAI-driven next-generation API development management tool. | 8.2.7 | Proprietary | May 20, 2026 | 93.6 MB | — |
| 76 | KKreyaA GUI client for gRPC and REST APIs with innovative features for environments, authorizations and more. | 1.21.0 | Proprietary | August 31, 2026 | — | — |
| 77 | RReadyAPI TestEngineA test execution machine for automating SoapUI and ReadyAPI tests at scale. Run tests in parallel; deploy faster. | 1.36.0 | Proprietary | July 15, 2026 | 763.3 MB | — |
| 78 | PProxyKit CLIStandalone ProxyKit CLI, headless MITM proxy engine, and MCP server | 1.2.0 | Proprietary | October 1, 2026 | 23.0 MB | — |
| 79 |  purerequestpurerequest - a keyboard-driven, file-based desktop HTTP client | 0.1.1 | Open source | August 30, 2026 | — | — |
| 80 | BBanana Cake PopBanana Cake Pop is a cross-platform GraphQL client. | 1.0.0-preview.31 | Proprietary | March 25, 2022 | 69.0 MB | — |
| 81 |  HarManager现代化的 HTTP Archive (HAR) 文件管理工具 | 1.0.1 | Open source | February 16, 2026 | — | — |
| 82 | HHTTP Analyzer V7HTTP Sniffer, HTTP Monitor, HTTP Tracer, HTTP Debugger, HTTP/HTTPS Analyzer | 7.6.4 | Proprietary | July 30, 2025 | — | — |
| 83 |  Atelie-AdminPlataforma integrada de gestão inteligente para controle de pedidos, clientes e usuários. Interface moderna com suporte a web e desktop nativo via Tauri. | 1.0.6 | Open source | March 16, 2026 | — | — |
| 84 |  NetPulseA compact Windows dashboard for monitoring HTTP endpoints and DNS resolvers. | 1.0.0 | Open source | September 11, 2026 | — | — |
| 85 | RRoutebaseOne living OpenAPI spec that drives your docs, mocks, contract tests, and monitoring. | 1.8.4 | Proprietary | October 9, 2026 | 24.6 MB | — |
| 86 | VVovsoft HTTP RequesterVovsoft HTTP Requester is a simple but powerful tool designed to streamline the process of sending batch HTTP requests and receiving responses. | 6.6.0.0 | Proprietary | September 29, 2026 | 8.6 MB | — |
| 87 | VVovsoft Link AnalyzerVovsoft Link Analyzer is a user-friendly software designed for Windows that allows users to delve into the structure of any input URL and thoroughly examine all the links present within the webpage. | 2.2.0.0 | Proprietary | October 6, 2026 | 4.3 MB | — |