No moat. Still in business.
AI SaaS directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- Karve HTTP Client
Offline Windows app for developers that gathers .http and .rest request files from their projects and lets them run and check each call.
One-off payment · Developer tools · Developers
- Decoy
A native Mac app for developers to set up local mock endpoints, inspect incoming requests and test webhooks and API failures.
Developer tools · Developers
- Overcast
Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.
Developer tools · Developers
- APIndex
A catalog engineering teams host themselves to collect REST and SOAP specs, see which services depend on which, and try out endpoints.
Subscription · Developer tools · Developers
- Voiden
An offline desktop app for designing, testing and documenting APIs as Markdown files kept in your Git repo.
Since 2025
Developer tools · Developers
- HTTPie
A friendly client for sending and testing HTTP API requests, available in the browser, as a desktop app and in the terminal.
Developer tools · Developers
- DBLift
Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.
Free plan · Developer tools · Developers
- AIR Blackbox
Records every AI agent decision in a signed, tamper-evident log so teams can show regulators what their AI did under the EU AI Act.
Free plan · Developer tools · Developers
- Routebase
Keeps API specs, mock servers, tests and published docs in step from a single spec, for software teams.
Free plan · Developer tools · Developers
- pbar.io
Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.
Uptime and monitoring · Developers
- Assertible
Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.
Since 2016
Uptime and monitoring · Developers
- FastAPI Cloud
Hosting for Python FastAPI apps that deploys with one command and handles scaling and HTTPS for developers.
Developer tools · Developers
- Keploy
Records real API traffic and replays it as tests with mocked dependencies so teams catch regressions in CI.
Developer tools · Developers
- Hoppscotch
Build, test and share API requests with your team in shared workspaces, on the hosted cloud or your own servers.
Developer tools · Developers
- Runcell
An AI agent inside Jupyter that writes and runs Python cells, reads the results and fixes errors during data analysis.
Free plan · Developer tools · Developers
- Reqable
Desktop and mobile app that captures HTTP and HTTPS traffic and lets developers test REST APIs, with filters and diffing.
Developer tools · Developers
- Kreya
Desktop app for calling and testing gRPC, REST, GraphQL and WebSocket APIs, storing requests as files in Git.
Since 2022
Free plan · Developer tools · Developers
- Mocklets
Lets development and QA teams stand up mock HTTP APIs with switchable responses to test apps before the real API exists.
Free plan · Developer tools · Developers
- Apicat
Offline API testing app that saves requests as .http files you can keep in Git, and imports Postman collections.
Since 2025
Free · Developer tools · Developers