Great application for discovering system components and their status. Allows you to set target IP, SNMP port, community string, polling/monitoring interval and disk full alarm. You can set to ignore any alarm, for cases when component, such as wireless disconnect
DroidWall - Android Firewall is a front-end application for the powerful iptables Linux firewall. It allows you to restrict which applications are permitted to access your data networks.
This is the perfect solution if you don't have an unlimited data plan, or just wants to see your battery lasting longer
3G Watchdog. Guarding you against costly Internet overages. 3G Watchdog data counter monitors your Mobile Internet (3G/Edge/GPRS) data usage, shows a status icon (green/orange/red) in the notif bar and a detailed report page. Widget (2 sizes)
APNdroid - Toggle that prevents your phone from connecting to internet over 3G/EDGE/GPRS. This application modifies APN names and types by adding 'apndroid' suffix to them (you can edit them anytime in your phone's Settings).
NOTE: Uninstall with enabled internet access! Otherwise you will be offline, needing to change APNs manually.
What's New in 2.1.3 / 2
Network Widget - Simple widget to know active network information and to switch WiFi on/off.
Is your device on WiFi or data plan mode?
What is current IP address?
Click on network name to show preferences.
Click on icon to toggle ON/OFF WiFi.
Note: this is a widget, you HAVE to add it to your home screen
HTTP Client - This app allows you to make HTTP requests to any web services on the net. It supports GET, POST, PUT and DELETE requests. Headers and parameters also available for customization
MO-Call Mobile VoIP- MO-Call saves up to 95% on international mobile calls. MO-Call redirects your international calls to the Morodo network to avoid expensive calling rates. **FREE trial credit for Handango Store users** Enter the code HDGOPROMO when you register for the exclusive FREE CREDIT. U.S Dollar: $1.50 free credit. Euro: ?1.50 free credit