No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
3 products
- Callosum
Desktop app for designing, calling and documenting APIs that keeps an OpenAPI spec in sync, offline with no login.
Since 2024
Free trial · Developer tools · Developers
- Routebase
Keeps API specs, mock servers, tests and published docs in step from a single spec, for software teams.
Since 2026
Free plan · Developer tools · Developers
- Scalar
Turns an OpenAPI file into hosted API docs, client SDKs and an MCP server for software companies.
Developer tools · Developers