Hoppscotch
Hoppscotch · API development & tooling
Open-source API client that runs in the browser or as a desktop app, supports REST, GraphQL and realtime protocols, and can be self-hosted for teams
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
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OpenAPI Specification
OpenAPI Initiative (Linux Foundation) · API development & tooling
Vendor-neutral, machine-readable standard for describing HTTP APIs in JSON or YAML, maintained by the OpenAPI Initiative under the Linux Foundation
Apache-2.0Open sourceFreeLocalNov 2, 2026
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