Hoppscotch
Developer Tools & GitOpen-source API development ecosystem
Replaces Postman, Insomnia
13 self-hosted Postman alternatives
Postman is the most popular API development and testing platform, partly hosted as SaaS. These open-source apps let you replace Postman with software you host and control yourself.
Best self-hosted Postman alternatives
Bruno
Developer Tools & GitFast, Git-friendly open-source API client
Replaces Postman, Insomnia
Swagger UI
Developer Tools & GitInteractive documentation for OpenAPI specifications
Replaces Postman
Hurl
Developer Tools & GitRun and test HTTP requests with a plain text format
Replaces Postman, Insomnia
Yaak
Developer Tools & GitOffline-first API client for REST, GraphQL and gRPC
Replaces Postman, Insomnia
Keploy
Developer Tools & GitGenerate API tests and mocks from real traffic
Replaces Postman
Posting
Developer Tools & GitPowerful HTTP client that lives in your terminal
Replaces Postman, Insomnia
Swagger Editor Self-Hosted
Developer Tools & GitBrowser editor for designing and validating OpenAPI documents
Replaces Stoplight, Postman
Prism Mock
Developer Tools & GitOpenAPI-driven mock server and contract validation proxy
Replaces Postman, Stoplight
ATAC
Developer Tools & GitTerminal-based API client inspired by Postman
Replaces Postman, Insomnia
Schemathesis
Developer Tools & GitProperty-based testing tool for APIs from their schema
Replaces Postman
Restfox
Developer Tools & GitOffline-first browser and desktop REST API client
Replaces Postman, Insomnia
Yaade
Automation & WorkflowsSelf-hosted collaborative API development environment
Replaces Postman
No apps match these filters.
Compare Postman alternatives
- ATAC vs Bruno
- ATAC vs Hoppscotch
- ATAC vs Hurl
- ATAC vs Prism Mock
- ATAC vs Keploy
- ATAC vs Posting
- ATAC vs Restfox
- ATAC vs Schemathesis
- ATAC vs Swagger Editor Self-Hosted
- ATAC vs Swagger UI
- ATAC vs Yaade
- ATAC vs Yaak
- Bruno vs Hoppscotch
- Bruno vs Hurl
- Bruno vs Prism Mock
- Bruno vs Keploy
- Bruno vs Posting
- Bruno vs Restfox
- Bruno vs Schemathesis
- Bruno vs Swagger Editor Self-Hosted
- Bruno vs Swagger UI
- Bruno vs Yaade
- Bruno vs Yaak
- Hoppscotch vs Hurl
- Hoppscotch vs Prism Mock
- Hoppscotch vs Keploy
- Hoppscotch vs Posting
- Hoppscotch vs Restfox
- Hoppscotch vs Schemathesis
- Hoppscotch vs Swagger Editor Self-Hosted
- Hoppscotch vs Swagger UI
- Hoppscotch vs Yaade
- Hoppscotch vs Yaak
- Hurl vs Prism Mock
- Hurl vs Keploy
- Hurl vs Posting
- Hurl vs Restfox
- Hurl vs Schemathesis
- Hurl vs Swagger Editor Self-Hosted
- Hurl vs Swagger UI
Switching from Postman
Moving off Postman means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.