Apps like FCM toolbox

Here are some great alternatives to FCM toolbox by Simon Marquis :
ApiClient : REST API Client
ApiClient : REST API Client
★4.3
Rest Client - Pocket POSTMAN
Rest Client - Pocket POSTMAN
★4.3
GovHK Notifications
GovHK Notifications
★3.8
Go For IoT
Go For IoT
★5.0
Assembly Toolbox
Assembly Toolbox
★3.3
PlainApp: File & Web Access
PlainApp: File & Web Access
★4.3
Firebase Console Manager
Firebase Console Manager
★4.9
Android SDK Info
Android SDK Info
★4.5
Mattermost
Mattermost
★4.5
App Debug - App info & details
App Debug - App info & details
★4.0
Send/Expect
Send/Expect
★4.1
HTTP Toolkit
HTTP Toolkit
★4.7
Google Cloud
Google Cloud
★4.2
Flashat
Flashat
★4.8
TorqueScan (Torque OBD Plugin)
TorqueScan (Torque OBD Plugin)
★3.9
SpectreMail: Your Mail Manager
SpectreMail: Your Mail Manager
★4.2