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
- Quadratic
Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.
Since 2023
Data and spreadsheets
- MLJAR Studio
Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.
Since 2017
Data and spreadsheets
- 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
- 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