Open source
localtunnel
Free tool that gives a local web server a public URL
Webhooks TunnelsFree localhost tunnelsInactive
Alternatives to zrok
12 tools like zrok, chosen by what they do. About zrok
Open source
Freemium
Webhook.site
Generate unique URLs and emails to inspect incoming webhooks
Webhooks TunnelsInspect webhooks instantly
Freemium
ngrok
Secure tunnels that share local apps and webhooks on a public URL
Local DevTunnels to local servers
Open source
Freemium
Thunder Client
Fast REST and GraphQL API client for VS Code and JetBrains IDEs
API ClientsLightweight VS Code API client
Open source
Frankfurter
Free exchange rate API for 219 currencies, with history back to 1948
Public APIsFree currency exchange rates
Freemium
ReqRes
Free hosted REST API for testing and prototyping with real responses
Public APIsHosted test REST API
Open source
OpenAPI
Open standard for describing HTTP APIs in a machine-readable way
API DesignThe OpenAPI standard
Freemium
ExchangeRate-API
Currency exchange rate API for 165 currencies with a free plan
Public APIsCurrency conversion API
Open source
JSONPlaceholder
Free fake REST API with six resources and no signup required
Public APIsFree fake REST APIInactive
Open source
